Volumes | Turbo Expo: Power for Land, Sea, and Air | American Society of Mechanical Engineers Digital Collection

ASME Turbo Expo 2010: Power for Land, Sea, and Air

June 14–18, 2010

Glasgow, UK

Conference Sponsors:

ISBN:

978-0-7918-4402-1

In This Volume

Turbomachinery (246)

Volume 7: Turbomachinery, Parts A, B, and C

Turbomachinery

Axial Flow Fan and Compressor Aerodynamics

Comparative Studies of Alternative HPC Configurations for the NEWAC IRA Engine

W. John Calvert, Ed Swain, Ian Woods, Mark Dempsey, Uwe Schmidt-Eisenlohr

GT 2010; 1-9doi:https://doi.org/10.1115/GT2010-22052

Abstract

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Topics: Engines , Compressors , Flow (Dynamics) , Exhaust systems , Heat , Aircraft engines , Airfoils , Combustion chambers , Computational fluid dynamics , Design

Assessment and Optimization of the Aerodynamic and Acoustic Characteristics of a Counter Rotating Open Rotor

R. Schnell, J. Yin, C. Voss, E. Nicke

GT 2010; 11-25doi:https://doi.org/10.1115/GT2010-22076

Abstract

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Topics: Acoustics , Optimization , Rotors , Computational fluid dynamics , Reynolds-averaged Navier–Stokes equations , Thrust , Noise (Sound) , Pareto optimization , Propellers , Steady state

Numerical Study of Wet Compression Using Methanol Injection in Axial Compressor

A. F. El-Said, H. A. El-Salmawy, M. H. Gobran, R. M. Gad Ragab

GT 2010; 27-37doi:https://doi.org/10.1115/GT2010-22079

Abstract

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Topics: Compression , Compressors , Methanol , Drops , Energy consumption , Evaporation , Agglomeration (Materials) , Computational fluid dynamics , Computer simulation , Flow (Dynamics)

The Influence of Tip Clearance on the Acoustic and Aerodynamic Characteristics of Fans

Sascha Karstadt, Michael Hess, Berthold Matyschok, Peter F. Pelz

GT 2010; 39-47doi:https://doi.org/10.1115/GT2010-22082

Abstract

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Topics: Acoustics , Clearances (Engineering) , Fans , Noise (Sound) , Blades , Optimization

Study of Tip Flows in High Hub-to-Tip Ratio Axial Compressors at Low Speed With Varying Tip Gaps, Inflow Conditions and Tip Shapes

Bhaskar Roy, A. M. Pradeep, A. Suzith, Dinesh Bhatia, Aditya Mulmule

GT 2010; 49-62doi:https://doi.org/10.1115/GT2010-22092

Abstract

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Topics: Compressors , Flow (Dynamics) , Inflow , Shapes , Blades , Rotors , Design , Simulation , Aerodynamics , High pressure (Physics)

Characteristics of Tip Clearance Flow Instability in a Transonic Compressor

Chunill Hah, Melanie Voges, Martin Mueller, Heinz-Peter Schiffer

GT 2010; 63-74doi:https://doi.org/10.1115/GT2010-22101

Abstract

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Topics: Clearances (Engineering) , Compressors , Flow instability , Blades , Vortices , Unsteady flow , Flow (Dynamics) , Rotors , Pressure , Rotation

An Experimental Investigation of Shrouded and Cantilevered Compressor Stators at Varying Clearance Sizes

Martin Lange, Ronald Mailach, Konrad Vogeler

GT 2010; 75-85doi:https://doi.org/10.1115/GT2010-22106

Abstract

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Topics: Clearances (Engineering) , Compressors , Stators

Numerical Investigation Into the Unsteady Aerodynamics of a Ducted Helicopter Tail Rotor Under Side-Wind Conditions

Marc Kainz, Florian Danner, Hans-Peter Kau, Fre´de´ric Le Chuiton

GT 2010; 87-98doi:https://doi.org/10.1115/GT2010-22142

Abstract

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Topics: Aerodynamics , Rotors , Wind , Blades , Annulus , Computation , Computational fluid dynamics , Computer simulation , Flight , Navier-Stokes equations

Aerodynamic Research on the MCA-Type Compressor Blade Cascade

David Sˇimurda, Martin Luxa, Pavel Sˇafarˇi´k

GT 2010; 99-108doi:https://doi.org/10.1115/GT2010-22153

Abstract

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Topics: Blades , Cascades (Fluid dynamics) , Compressors , Flow (Dynamics) , Boundary layers , Density , Flow separation , Shock waves , Wind tunnels

Rotor-Tip Flow Fields Near Inception Point of Modal Disturbance in an Axial-Flow Fan

Takahiro Nishioka, Toshio Kanno, Hiroshi Hayami

GT 2010; 109-120doi:https://doi.org/10.1115/GT2010-22187

Abstract

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Topics: Axial flow , Flow (Dynamics) , Rotors , Stall inception , Leakage , Vortices , Separation (Technology) , Airfoils , Blades , Design

Effect of Surface Roughness Location and Reynolds Number on Compressor Cascade Performance

Seung Chul Back, Garth V. Hobson, Seung Jin Song, Knox T. Millsaps

GT 2010; 121-128doi:https://doi.org/10.1115/GT2010-22208

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Reynolds number , Surface roughness , Suction , Blades , Pressure , Flow (Dynamics) , Probes

The Impact of Real Geometries on Three-Dimensional Separations in Compressors

Martin N. Goodhand, Robert J. Miller

GT 2010; 129-138doi:https://doi.org/10.1115/GT2010-22246

Abstract

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Topics: Compressors , Blades , Geometry , Surface roughness , Boundary layers , Engines , Flow (Dynamics) , Separation (Technology) , Stators , Suction

On Reliable Performance Prediction of Axial Turbomachines

Michael Heß, Peter F. Pelz

GT 2010; 139-149doi:https://doi.org/10.1115/GT2010-22290

Abstract

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Topics: Turbomachinery , Flow (Dynamics) , Pressure , Stress , Surface roughness , Bonding , Design , Fans , Impellers , Reynolds number

On the Efficiency of Secondary Flow Suction in a Compressor Cascade

Karsten Liesner, Robert Meyer, Matthias Lemke, Christoph Gmelin, Frank Thiele

GT 2010; 151-160doi:https://doi.org/10.1115/GT2010-22336

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Flow (Dynamics) , Suction , Pressure , Design , Geometry , Mach number , Aircraft engines , Computer simulation

Control of Tip-Clearance Flow in a Low Speed Axial Compressor Rotor With Plasma Actuation

Giridhar Jothiprasad, Robert C. Murray, Katherine Essenhigh, Grover A. Bennett, Seyed Saddoughi, Aspi Wadia, Andrew Breeze-Stringfellow

GT 2010; 161-172doi:https://doi.org/10.1115/GT2010-22345

Abstract

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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Plasmas (Ionized gases) , Rotors , Actuators , Blades , Leakage flows , Plasma injection , Pressure

CFD Analysis of Effects of Damage Due to Bird Strike on Fan Performance

Baizura Bohari, Abdulnaser Sayma

GT 2010; 173-181doi:https://doi.org/10.1115/GT2010-22365

Abstract

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Topics: Computational fluid dynamics , Damage , Blades , Engines , Boundary-value problems , Aircraft engines , Computation , Deformation , Engine design , Engineering simulation

Study of Sand Particle Trajectories and Erosion Into the First Fan Stage of a Turbofan

Adel Ghenaiet

GT 2010; 183-201doi:https://doi.org/10.1115/GT2010-22415

Abstract

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Topics: Erosion , Particulate matter , Sands , Turbofans , Blades , Computation , Flow (Dynamics) , Aircraft engines , Damage , Diffusers

Effect of a Gap Between Inner Casing and Stator Blade on Axial Compressor Performance

Changyong Lee, Jaewook Song, Sungryong Lee, Dongmin Hong

GT 2010; 203-210doi:https://doi.org/10.1115/GT2010-22439

Abstract

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Topics: Blades , Compressors , Stators , Computational fluid dynamics , Corners (Structural elements) , Design , Engines , Flow (Dynamics) , Gas turbines , Geometric modeling

A Prediction Model for Corner Separation/Stall in Axial Compressors

Xianjun Yu, Baojie Liu

GT 2010; 211-222doi:https://doi.org/10.1115/GT2010-22453

Abstract

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Topics: Compressors , Corners (Structural elements) , Separation (Technology) , Blades , Flow (Dynamics) , Diffusion (Physics) , Pressure gradient , Computer simulation , Test facilities

Effects of Vortex Generator Application on the Performance of a Compressor Cascade

Alexander Hergt, Robert Meyer, Karl Engel

GT 2010; 223-235doi:https://doi.org/10.1115/GT2010-22464

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Generators , Vortices , Design , Flow (Dynamics) , Corners (Structural elements) , Cross-flow , Pressure , Separation (Technology)

Unsteady RANS Simulations of a Highly Loaded Low Aspect Ratio Compressor Stator Cascade With Active Flow Control

Christoph Gmelin, Mathias Steger, Frank Thiele, Andre´ Huppertz, Marius Swoboda

GT 2010; 237-246doi:https://doi.org/10.1115/GT2010-22516

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Flow control , Reynolds-averaged Navier–Stokes equations , Simulation , Stators , Blades , Flow (Dynamics) , Pressure , Actuators

Hot-Wire Measurements in a High Speed Counter Rotating Turbo Fan Rig

Robert Meyer, Karsten Knobloch, Johannes Linden

GT 2010; 247-254doi:https://doi.org/10.1115/GT2010-22569

Abstract

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Topics: Turbochargers , Wire , Rotors , Turbulence , Unsteady flow , Wakes , Aerospace industry , Blades , Emission spectroscopy , Flow (Dynamics)

Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade

Daniel Nerger, Horst Saathoff, Rolf Radespiel, Volker Gu¨mmer, Carsten Clemen

GT 2010; 255-267doi:https://doi.org/10.1115/GT2010-22578

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Stators , Suction , Flow (Dynamics) , Flow control , Pressure , Chords (Trusses) , Flow visualization , Probes

Investigation for the Effects of Circumferential Grooves on the Unsteadiness of Tip Clearance Flow to Enhance Compressor Flow Instability

Shengfeng Zhao, Xingen Lu, Junqiang Zhu, Hongwu Zhang

GT 2010; 269-277doi:https://doi.org/10.1115/GT2010-22652

Abstract

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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Flow instability , Axial flow , Blades , Delays , Flow visualization , Leakage flows , Momentum

Study of Flow Control Using a Slotted Blade for a Compressor Airfoil at Low Reynolds Numbers

Min Zhou, Junqiang Zhu, Xingen Lu, Zhihui Ge, Kexue Yan, Rong Huang

GT 2010; 279-287doi:https://doi.org/10.1115/GT2010-22660

Abstract

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Topics: Airfoils , Blades , Compressors , Flow control , Reynolds number , Cascades (Fluid dynamics) , Flow (Dynamics) , Pressure , Separation (Technology) , Suction

Experimental and Numerical Analysis of Hub-Corner Stall in Compressor Cascades

Eugen Lewin, Dragan Kozˇulovic´, Udo Stark

GT 2010; 289-299doi:https://doi.org/10.1115/GT2010-22704

Abstract

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Topics: Compressors , Corners (Structural elements) , Numerical analysis , Pressure , Cascades (Fluid dynamics) , Flow visualization , Rotors , Separation (Technology) , Topology , Turning angles

Numerical Investigations of the Efficiency of Circulation Control in a Compressor Stator

A. Vorreiter, S. Fischer, H. Saathoff, R. Radespiel, J. R. Seume

GT 2010; 301-315doi:https://doi.org/10.1115/GT2010-22721

Abstract

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Topics: Compressors , Stators , Airfoils , Boundary layers , Cascades (Fluid dynamics) , Flow control , Pressure , Computer simulation , Design , Design methodology

Multidisciplinary 3D-Optimization of a Fan Stage Performance Map With Consideration of the Static and Dynamic Rotor Mechanics

Ulrich Siller, Marcel Aulich

GT 2010; 317-328doi:https://doi.org/10.1115/GT2010-22792

Abstract

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Topics: Optimization , Rotors , Blades , Design , Structural analysis , Structural mechanics , Compressors , Stability , Aerodynamics , Computational fluid dynamics

Results of an Advanced Fan Stage Operating Over a Wide Range of Speed and Bypass Ratio: Part I—Fan Stage Design and Experimental Results

Kenneth L. Suder, Patricia S. Prahst, Scott A. Thorp

GT 2010; 329-342doi:https://doi.org/10.1115/GT2010-22825

Abstract

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Topics: Design , Cycles , Engines , NASA , Ramjets , Turbofans , Aeronautics , Aircraft , Combined cycles , Flow (Dynamics)

Experimental Investigation of the Aerodynamic Performance of a Linear Axial Compressor Cascade With Water Droplet Loading

Tjark Eisfeld, Franz Joos

GT 2010; 343-353doi:https://doi.org/10.1115/GT2010-22831

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Drops , Water , Flow (Dynamics) , Aerodynamics , Blades , Compression , Cycles , Gas turbines

The Flow Field Within an Axial Flow Compressor at Extremely High Flow Coefficients

A. Gill, T. W. von Backstro¨m, T. M. Harms

GT 2010; 355-367doi:https://doi.org/10.1115/GT2010-22894

Abstract

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Topics: Axial flow , Flow (Dynamics) , Blades , Stators , Wakes , Compressors , Pressure , Rotors , Design , Steady state

A Study of Fan-Distortion Interaction Within the NASA Rotor 67 Transonic Stage

V. Jerez Fidalgo, C. A. Hall, Y. Colin

GT 2010; 369-380doi:https://doi.org/10.1115/GT2010-22914

Abstract

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Topics: NASA , Rotors , Flow (Dynamics) , Annulus , Computation , Pressure , Computational fluid dynamics , Computational methods , Design , Engines

Effect of Geometry Deviations on the Aerodynamic Performance of an Outlet Guide Vane Cascade

Valery Chernoray, Sofia Ore, Jonas Larsson

GT 2010; 381-390doi:https://doi.org/10.1115/GT2010-22923

Abstract

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Topics: Cascades (Fluid dynamics) , Geometry , Guide vanes , Flow (Dynamics) , Pressure , Surface roughness , Aerodynamics , Blades , Computer simulation , Flow separation

Large Tip Clearance Flows in Two Compressor Cascades

Richard Williams, Grant Ingram, David Gregory-Smith

GT 2010; 391-402doi:https://doi.org/10.1115/GT2010-22952

Abstract

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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Cascades (Fluid dynamics) , Blades , Geometry , High pressure (Physics) , Boundary layers , Design , Diffusion (Physics)

The Internal Structure of the Tip Leakage Vortex Within the Rotor of an Axial Waterjet Pump

Rinaldo L. Miorini, Huixuan Wu, Joseph Katz

GT 2010; 403-419doi:https://doi.org/10.1115/GT2010-23056

Abstract

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Topics: Leakage , Pumps , Rotors , Vortices , Blades , Turbulence , Flow (Dynamics) , Pressure , Boundary layers , Flow separation

Experimental Study of Effects of Grooved Tip Clearances on the Flow Field in a Compressor Cascade Passage

Hongwei Ma, Jun Zhang, Jinghui Zhang, Zhou Yuan

GT 2010; 421-429doi:https://doi.org/10.1115/GT2010-23063

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Flow (Dynamics) , Leakage flows , Pressure , Blades , Chords (Trusses) , Clearances (Engineering) , Pressure gradient , Probes

The Highly Loaded Aerodynamic Design and Performance Enhancement of a Helium Compressor

Tingfeng Ke, Qun Zheng

GT 2010; 431-442doi:https://doi.org/10.1115/GT2010-23116

Abstract

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Topics: Compressors , Design , Flow (Dynamics) , Helium

Numerical Study of the Stagger Angle Effects in Forward Swept Axial Compressor Rotor Passages

P. V. Ramakrishna, M. Govardhan

GT 2010; 443-453doi:https://doi.org/10.1115/GT2010-23160

Abstract

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Topics: Compressors , Rotors

Investigation of Compressor Tip Clearance Flow Structure

Roland Matzgeller, Yves Burgold

GT 2010; 455-464doi:https://doi.org/10.1115/GT2010-23244

Abstract

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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Vortices , Leakage , Blades , Boundary-value problems , Computation , Reynolds-averaged Navier–Stokes equations , Cross-flow

Results of an Advanced Fan Stage Over a Wide Operating Range of Speed and Bypass Ratio: Part II—Comparison of CFD and Experimental Results

Mark L. Celestina, Kenneth L. Suder, Sameer Kulkarni

GT 2010; 465-475doi:https://doi.org/10.1115/GT2010-23386

Abstract

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Topics: Compressors , Computational fluid dynamics , Cycles , Design , Engines , Flight , Milling , NASA , Ramjets , Seas

The Effect of an Upstream Compressor on a Non-Axisymmetric S-Duct

Marios K. Karakasis, Edward M. J. Naylor, Robert J. Miller, Howard P. Hodson

GT 2010; 477-486doi:https://doi.org/10.1115/GT2010-23404

Abstract

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Topics: Compressors , Ducts , Design , Vortices , Boundary layers , Engine design , Engines , Fluids , Geometry , Pumps

Experimental Investigation of the Steady and Unsteady Flow Field in a Single Stage Low Pressure Axial Compressor With a Circumferential Groove Casing Treatment

N. Van de Wyer, B. Farkas, J. Desset, J. F. Brouckaert, J.-F. Thomas, S. Hiernaux

GT 2010; 487-499doi:https://doi.org/10.1115/GT2010-23474

Abstract

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Topics: Compressors , Pressure , Unsteady flow , Rotors , Design , Flow (Dynamics) , Probes , Computational fluid dynamics , Engines , Leakage

An Experimental and Computational Investigation of Tip Clearance Flow and Its Impact on Stall Inception

Matthew A. Bennington, Mark H. Ross, Joshua D. Cameron, Scott C. Morris, Juan Du, Feng Lin, Jingyi Chen

GT 2010; 501-512doi:https://doi.org/10.1115/GT2010-23516

Abstract

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Topics: Clearances (Engineering) , Flow (Dynamics) , Stall inception , Compressors , Rotors , Axial flow , Computation , Computational fluid dynamics , Fluids , Leakage

A CFD Study of Circumferential Groove Casing Treatments in a Transonic Axial Compressor

Haixin Chen, Xudong Huang, Ke Shi, Song Fu, Matthew A. Bennington, Scott C. Morris, Mark Ross, Scott McNulty, Aspi Wadia

GT 2010; 513-523doi:https://doi.org/10.1115/GT2010-23606

Abstract

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Topics: Compressors , Computational fluid dynamics , Flow (Dynamics) , Blades , Boundary-value problems , Computer simulation , Geometry , Momentum , Pressure , Rotors

Numerical Study of Discrete Tip Injection in a Transonic Axial Compressor

Hossein Khaleghi, Joao A. Teixeira

GT 2010; 525-535doi:https://doi.org/10.1115/GT2010-23608

Abstract

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Topics: Compressors , Leakage , Vortices , Flow (Dynamics) , Rotors , Blades , Ejectors , Shock (Mechanics) , Simulation , Boundary layers

Design Methods and CFD Modeling for Turbomachinery

3D Direct and Inverse Design Using NS Equations and the Adjoint Method for Turbine Blades

D. X. Wang, Y. S. Li

GT 2010; 537-545doi:https://doi.org/10.1115/GT2010-22049

Abstract

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Topics: Design , Turbine blades , Blades , Flow (Dynamics) , Pressure , Geometry , Turbines , Entropy , Optimization

Secondary Flow Reduction by Blade Redesign and Endwall Contouring Using an Adjoint Optimization Method

Jiaqi Luo, Juntao Xiong, Feng Liu, Ivan McBean

GT 2010; 547-562doi:https://doi.org/10.1115/GT2010-22061

Abstract

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Topics: Blades , Flow (Dynamics) , Optimization , Design , Cascades (Fluid dynamics) , Density , Entropy , Geometry , Shapes , Simulation results

An Analysis of the Merits of CFD for the Performance Prediction of a Low Pressure Steam Turbine Radial Diffuser

Adam Beevers, Francesco Congiu, Fabio Pengue, Thomas Mokulys

GT 2010; 563-574doi:https://doi.org/10.1115/GT2010-22107

Abstract

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Topics: Computational fluid dynamics , Diffusers , Pressure , Steam turbines , Design , Exhaust systems , Blades , Geometry , Optimization , Flow (Dynamics)

Two Dimensional Optimization of Centrifugal Compressor Impellers Using Online Quasi-3D Flow Solver and Genetic Algorithm

Ying Ma, Abraham Engeda

GT 2010; 575-586doi:https://doi.org/10.1115/GT2010-22141

Abstract

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Topics: Compressor impellers , Flow (Dynamics) , Genetic algorithms , Optimization , Artificial neural networks , Impellers , Radial basis function networks , Algorithms , Computer-aided engineering , Cycles

Ad-Hoc Boundary Conditions for CFD Analyses of Turbomachinery Problems With Strong Radial Flow Gradients at Farfield Boundaries

M. Sergio Campobasso, Mohammad H. Baba-Ahmadi, Grant McLelland

GT 2010; 587-599doi:https://doi.org/10.1115/GT2010-22176

Abstract

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Topics: Boundary-value problems , Computational fluid dynamics , Radial flow , Turbomachinery , Errors , Flow (Dynamics) , Compressible flow , Ducts

Demonstration of an Aerodynamic Design Process for Turbomachines Using Open Source Software Tools

Oliver Borm, Balint Balassa, Sebastian Barthmes, Julius Fellerhoff, Andreas Ku¨hrmann, Hans-Peter Kau

GT 2010; 601-611doi:https://doi.org/10.1115/GT2010-22194

Abstract

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Topics: Computer software , Design , Turbomachinery , Blades , Students , Compressible flow , Compressors , Computation , Computational fluid dynamics , Engineering simulation

Computation of Laminar-Turbulent Transition in Turbumachinery Using the Correlation Based γ-Re_θ Transition Model

M. E. Kelterer, R. Pecnik, W. Sanz

GT 2010; 613-622doi:https://doi.org/10.1115/GT2010-22207

Abstract

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Topics: Computation , Turbulence , Flow (Dynamics) , Boundary layers , Flat plates , Algebra , Cascades (Fluid dynamics) , Computer simulation , Heat transfer , Momentum

Framework for Multidisciplinary Optimization of Turbomachinery

Mark G. Turner, Kevin Park, Kiran Siddappaji, Soumitr Dey, David P. Gutzwiller, Ali Merchant, Dario Bruna

GT 2010; 623-631doi:https://doi.org/10.1115/GT2010-22228

Abstract

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Topics: Optimization , Turbomachinery , Blades , Disks , Compressors , Computer-aided design , Design , Genetic algorithms , Temperature , Weight (Mass)

Blade Geometry Optimization for Axial Flow Compressor

Rongye Zheng, Jianhua Xiang, Jinju Sun

GT 2010; 633-644doi:https://doi.org/10.1115/GT2010-22229

Abstract

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Topics: Axial flow , Blades , Geometry , Optimization , Design , Flow (Dynamics) , Response surface methodology , B-splines , Computational fluid dynamics , Computer simulation

Development in Gas Turbine Repairs

Allan Thomson, David A. Anderton

GT 2010; 645-652doi:https://doi.org/10.1115/GT2010-22239

Abstract

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Topics: Gas turbines , Maintenance , Blades , Computational fluid dynamics , Computer software , Design , Rotors , Turbines , Airfoils , Climate

Attenuation of Vane Distortion in a Transonic Turbine Using Optimization Strategies: Part I—Methodology

M. Joly, T. Verstraete, G. Paniagua

GT 2010; 653-662doi:https://doi.org/10.1115/GT2010-22370

Abstract

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Topics: Optimization , Turbines , Rotors , Design , Computation , Flow (Dynamics) , High cycle fatigue , Risk , Shock (Mechanics) , Stators

Attenuation of Vane Distortion in a Transonic Turbine Using Optimization Strategies: Part II—Optimization

M. Joly, G. Paniagua, T. Verstraete

GT 2010; 663-671doi:https://doi.org/10.1115/GT2010-22371

Abstract

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Topics: Optimization , Turbines , Rotors , Design , Computation , Flow (Dynamics) , High cycle fatigue , Risk , Shock (Mechanics) , Stators

Minimizing Inlet Distortion for Hybrid Wing Body Aircraft

Meng-Sing Liou, Byung Joon Lee

GT 2010; 673-685doi:https://doi.org/10.1115/GT2010-22378

Abstract

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Topics: Aircraft , Wings , Flow (Dynamics) , Design , Fluids , Shapes , Turbulence , Blades , Boundary layers , Engines

Design Optimization of Circumferential Casing Grooves for a Transonic Axial Compressor to Enhance Stall Margin

Kwang-Jin Choi, Jin-Hyuk Kim, Kwang-Yong Kim

GT 2010; 687-695doi:https://doi.org/10.1115/GT2010-22396

Abstract

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Topics: Compressors , Design , Optimization , Approximation , Artificial neural networks , Experimental design , Flow (Dynamics) , Geometry , NASA , Navier-Stokes equations

Steady/Unsteady Reynolds Averaged Navier-Stokes and Large Eddy Simulations of a Turbine Blade at High Subsonic Outlet Mach Number

Thomas Le´onard, Florent Duchaine, Nicolas Gourdain, Laurent Y. M. Gicquel

GT 2010; 697-709doi:https://doi.org/10.1115/GT2010-22469

Abstract

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Topics: Large eddy simulation , Mach number , Turbine blades , Flow (Dynamics) , Blades , Reynolds-averaged Navier–Stokes equations , Boundary layers , Separation (Technology) , Sound waves , Suction

Towards Cooled Turbine Preliminary Life Prediction via Concurrent Aerodynamic, Thermal and Material Stress Simulations on Conjugate Meshes

W. N. Dawes, W. P. Kellar, S. A. Harvey

GT 2010; 711-722doi:https://doi.org/10.1115/GT2010-22482

Abstract

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Topics: Engineering simulation , Simulation , Stress , Turbines , Turbine blades , Blades , Design , Engineering disciplines , Rotors

3D Simulation of Coupled Fluid Flow and Solid Heat Conduction for the Calculation of Blade Wall Temperature in a Turbine Stage

Fabien Wlassow, Florent Duchaine, Gilles Leroy, Nicolas Gourdain

GT 2010; 723-734doi:https://doi.org/10.1115/GT2010-22513

Abstract

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Topics: Blades , Fluid dynamics , Heat conduction , Simulation , Turbines , Wall temperature , Temperature , Engines , Flow (Dynamics) , Fluids

Some Limitations of Turbomachinery CFD

John D. Denton

GT 2010; 735-745doi:https://doi.org/10.1115/GT2010-22540

Abstract

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Topics: Computational fluid dynamics , Turbomachinery , Errors , Design , Modeling , Approximation , Boundary-value problems , Engineers , Flow (Dynamics) , Geometry

Aeroacoustics and Performance Modeling of a Counter-Rotating Propfan

Martin Olausson, Richard Avella´n, Niklas So¨rman, Filip Rudebeck, Lars-Erik Eriksson

GT 2010; 747-756doi:https://doi.org/10.1115/GT2010-22543

Abstract

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Topics: Aerodynamic noise , Modeling , Propellers , Computational fluid dynamics , Design , Blades , Noise (Sound) , Compressibility , Computation , Design methodology

Multi-Objective Design Optimisation of a Diffuser-Ejector Exhaust Duct for Helicopter Engines

J. Gra¨sel, J. Demolis, H. Mohr, H.-P. Schiffer

GT 2010; 757-769doi:https://doi.org/10.1115/GT2010-22588

Abstract

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Topics: Design , Diffusers , Ducts , Ejectors , Engines , Exhaust systems , Optimization , Computational fluid dynamics , Errors , Pressure

Numerical Benchmark of Turbulence Modeling in Gas Turbine Rotor-Stator System

Riccardo Da Soghe, Luca Innocenti, Antonio Andreini, Se´bastien Poncet

GT 2010; 771-783doi:https://doi.org/10.1115/GT2010-22627

Abstract

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Topics: Gas turbines , Modeling , Rotors , Stators , Turbulence , Flow (Dynamics) , Disks , Angular momentum , Boundary layer turbulence , Boundary layers

Multi-Objective Optimization Design Method for Tandem Compressor Cascade at Design and Off Design Conditions

Yaping Ju, Chuhua Zhang

GT 2010; 785-796doi:https://doi.org/10.1115/GT2010-22655

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Design , Design methodology , Pareto optimization , Airfoils , Artificial neural networks , Computational fluid dynamics , Pressure , Algorithms

An Assessment of Non-Intrusive Probabilistic Methods for Turbomachinery Problems

Sriram Shankaran, Brian Barr, Ramakrishna Mallina, Ravikanth Avancha, Alex Stein

GT 2010; 797-806doi:https://doi.org/10.1115/GT2010-22730

Abstract

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Topics: Turbomachinery , Uncertainty , Computational fluid dynamics , Design , Engineering simulation , Simulation , Algorithms , Ambiguity , Blades , Boundary-value problems

Advanced Numerical Simulation Dedicated to the Prediction of Heat Transfer in a Highly Loaded Turbine Guide Vane

Nicolas Gourdain, Florent Duchaine, Laurent Y. M. Gicquel, Elena Collado

GT 2010; 807-820doi:https://doi.org/10.1115/GT2010-22793

Abstract

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Topics: Computer simulation , Guide vanes , Heat transfer , Turbines , Boundary layers , Flow (Dynamics) , Turbulence , Flux (Metallurgy) , Heat , Acoustics

Euler Inverse Axisymmetric Solution for Design of Axial Flow Multistage Turbomachinery

Simone Rosa Taddei, Francesco Larocca, Francesco Bertini

GT 2010; 821-830doi:https://doi.org/10.1115/GT2010-22795

Abstract

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Topics: Axial flow , Design , Turbomachinery , Blades , Flow (Dynamics) , Turbines , Computation , Errors , Geometry , Rotors

Towards a High Order Throughflow: Part I—Investigating the Effectiveness of a Harmonic Reconstruction for 3D Flows

J. P. Thomas, O. Le´onard

GT 2010; 831-841doi:https://doi.org/10.1115/GT2010-22841

Abstract

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Topics: Flow (Dynamics) , Simulation , Computation , Blades , Design , Fourier series , Hoop stress , Stress , Turbomachinery

Towards a High Order Throughflow: Part II—Investigation of the Nonlinear Harmonic Method Coupled With an Immersed Boundary Method for the Modeling of the Circumferential Stresses

J. P. Thomas, O. Le´onard

GT 2010; 843-853doi:https://doi.org/10.1115/GT2010-22842

Abstract

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Topics: Hoop stress , Modeling , Flow (Dynamics) , Blades , Cylinders , Fourier series , Inviscid flow , Nonlinear systems , Turbomachinery

Uncertainty Analysis for Large-Scale Industrial Radial Compressors

Dirk Bu¨che, Michael Beetz, Beat Ribi

GT 2010; 855-864doi:https://doi.org/10.1115/GT2010-22918

Abstract

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Topics: Compressors , Uncertainty analysis , Uncertainty , Computational fluid dynamics , Engineering simulation , Simulation , Surface roughness , Design , Response surface methodology , Reynolds-averaged Navier–Stokes equations

Time-Linearized and Time-Accurate 3D RANS Methods for Aeroelastic Analysis in Turbomachinery

Hans-Peter Kersken, Christian Frey, Christian Voigt, Graham Ashcroft

GT 2010; 865-874doi:https://doi.org/10.1115/GT2010-22940

Abstract

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Topics: Reynolds-averaged Navier–Stokes equations , Turbomachinery , Algorithms , Deformation , Finite element analysis , Computational methods , Displacement , Elasticity , Flow (Dynamics) , Flutter (Aerodynamics)

Optimization of a Gas Turbine Engine Rotor Disc Using Case-Based Reasoning and the GATE Genetic Algorithm

S. Dominique, J.-Y. Tre´panier

GT 2010; 875-887doi:https://doi.org/10.1115/GT2010-23011

Abstract

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Topics: Disks , Gas turbines , Gates (Closures) , Genetic algorithms , Optimization , Rotors , Design , Structural design , Optimization algorithms , Algorithms

Discontinuous Galerkin Solution of Three-Dimensional Reynolds-Averaged Navier-Stokes Equations With S-A Turbulence Model

Fan Feng, Chunwei Gu, Xuesong Li

GT 2010; 889-895doi:https://doi.org/10.1115/GT2010-23133

Abstract

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Topics: Navier-Stokes equations , Turbulence , Cascades (Fluid dynamics) , Compressors , Engineering simulation , Galerkin method , Reflection , Simulation

Prediction of Separation-Induced Transition Using a Correlation-Based Transition Model

Roque Corral, Fernando Gisbert

GT 2010; 897-908doi:https://doi.org/10.1115/GT2010-23239

Abstract

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Topics: Separation (Technology) , Engineering simulation , Reynolds-averaged Navier–Stokes equations , Simulation , Boundary layers , Cavities , Pressure , Reynolds number , Turbine blades , Turbulence

Redesign of High-Lift LP-Turbine Airfoils for Low Speed Testing

Michele Marconcini, Filippo Rubechini, Roberto Pacciani, Andrea Arnone, Francesco Bertini

GT 2010; 909-918doi:https://doi.org/10.1115/GT2010-23284

Abstract

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Topics: Airfoils , Testing , Turbines , Artificial neural networks , Flow (Dynamics) , Pressure , Blades , Cascades (Fluid dynamics) , Compressibility , Kinetic energy

A Novel Quasi 3-D Design Method for Centrifugal Compressor Meridional Plane

Mahdi Nili-Ahmadabadi, Mohammad Durali, Ali Hajilouy-Benisi

GT 2010; 919-931doi:https://doi.org/10.1115/GT2010-23341

Abstract

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Topics: Compressors , Design methodology , Pressure , Algorithms , Compressor impellers , Design , Flow (Dynamics) , Momentum

A Dual-Mesh Approach to Enhance Accuracy of the Boundary Conditions for Unstructured Grid Modeling of Turbomachinery Flows

Hong Yang, Leiyong Jiang

GT 2010; 933-942doi:https://doi.org/10.1115/GT2010-23390

Abstract

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Topics: Boundary-value problems , Flow (Dynamics) , Modeling , Turbomachinery , Inflow , Outflow , Computational fluid dynamics , Algorithms , Compressors , Engineering systems and industry applications

On the Use of Blades Stagger and Stacking in Turbine Stage Optimization

Mohammad Arabnia, Wahid Ghaly

GT 2010; 943-955doi:https://doi.org/10.1115/GT2010-23399

Abstract

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Topics: Blades , Optimization , Turbines , Design , Artificial neural networks , Flow (Dynamics) , Rotors , Shapes , Stators , Approximation

Dual Point Redesign of an Axial Compressor Airfoil Using a Viscous Inverse Design Method

Raja Ramamurthy, Wahid Ghaly

GT 2010; 957-966doi:https://doi.org/10.1115/GT2010-23400

Abstract

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Topics: Airfoils , Compressors , Design methodology , Pressure , Blades , Design , Turbulence , Algebra , Computational fluid dynamics , Finite volume methods

Aero-Structural Optimization of an Axial Turbine Stage in Three-Dimensional Flow

Vadivel K. Sivashanmugam, Mohammad Arabnia, Wahid Ghaly

GT 2010; 967-980doi:https://doi.org/10.1115/GT2010-23406

Abstract

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Topics: Flow (Dynamics) , Optimization , Turbines , Design , Artificial neural networks , Blades , Stress , Approximation , Computational fluid dynamics , Databases

A Generalized Axisymmetric Boundary Condition Method for Parallel Unstructured Field Solvers

Daniel G. Hyams, Robert Webster, Kidambi Sreenivas

GT 2010; 981-995doi:https://doi.org/10.1115/GT2010-23414

Abstract

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Topics: Boundary-value problems , Algorithms , Anisotropy , Boundary layers , Interpolation , Rotors , Blades , Design , Displacement , Engineering simulation

Hybrid LES Approach for Practical Turbomachinery Flows: Part 1—Hierarchy and Example Simulations

Paul Tucker, Simon Eastwood, Christian Klostermeier, Richard Jefferson-Loveday, James Tyacke, Yan Liu

GT 2010; 997-1009doi:https://doi.org/10.1115/GT2010-23431

Abstract

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Topics: Engineering simulation , Flow (Dynamics) , Simulation , Turbomachinery , Reynolds-averaged Navier–Stokes equations , Energy dissipation , Turbulence , Blades , Calibration , Compressible flow

Numerical Simulation of Sand Erosion in a Transonic Compressor Rotor

Masaya Suzuki, Makoto Yamamoto

GT 2010; 1011-1018doi:https://doi.org/10.1115/GT2010-23593

Abstract

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Topics: Compressors , Computer simulation , Erosion , Rotors , Sands , Particulate matter , Aircraft engines , Design , Blades , Damage

Benchmarking CD-Adapco’s Star-CCM+ in a Production Design Environment

Mikhail M. Grigoriev, Chester V. Swiatek, James A. Hitt

GT 2010; 1019-1025doi:https://doi.org/10.1115/GT2010-23627

Abstract

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Topics: Design , Computational fluid dynamics , Impellers , Diffusers , Compressors , Blades , Compression , Engineering design processes , Engineers , Flow (Dynamics)

Study on Aerodynamic Redesign of a High Pressure Ratio Centrifugal Compressor

Chaolei Zhang, Qinghua Deng, Zhenping Feng

GT 2010; 1027-1040doi:https://doi.org/10.1115/GT2010-23714

Abstract

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Topics: Compressors , High pressure (Physics) , Design , Impellers , Optimization , Diffusers , Artificial neural networks , Computational fluid dynamics , Flow (Dynamics) , Pressure

Two Schemes of Multi-Objective Aerodynamic Optimization for Centrifugal Impeller Using Response Surface Model and Genetic Algorithm

Xiaomin Liu, Wenbin Zhang

GT 2010; 1041-1053doi:https://doi.org/10.1115/GT2010-23775

Abstract

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Topics: Genetic algorithms , Impellers , Optimization , Response surface methodology , Blades , Computational fluid dynamics , Design , B-splines , Computer simulation , Computer software

Hybrid LES Approach for Practical Turbomachinery Flows: Part 2—Further Applications

Paul Tucker, Simon Eastwood, Christian Klostermeier, Hao Xia, Prasun Ray, James Tyacke, William Dawes

GT 2010; 1055-1067doi:https://doi.org/10.1115/GT2010-23807

Abstract

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Topics: Flow (Dynamics) , Turbomachinery , Compressors , Modeling , Blades , Cavities , Eddies (Fluid dynamics) , Hamilton-Jacobi equations , High pressure (Physics) , Large eddy simulation

Axial Flow Turbine Aerodynamics

The Performance of a Generic Non-Axisymmetric End Wall in a Single Stage, Rotating Turbine at On and Off-Design Conditions

Glen Snedden, Dwain Dunn, Grant Ingram, David Gregory-Smith

GT 2010; 1069-1080doi:https://doi.org/10.1115/GT2010-22006

Abstract

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Topics: Design , Turbines , Computational fluid dynamics , Flow (Dynamics) , Rotors , Energy generation , Engines , Probes , Stress

Improvement of Cooled Turbine Airfoils by Special Cutback

Boris I. Mamaev, Mikhail M. Petukhovskiy, Alexander V. Pozdnyakov, Marat R. Valeev

GT 2010; 1081-1087doi:https://doi.org/10.1115/GT2010-22056

Abstract

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Topics: Airfoils , Turbines , Pressure , Cooling , Aircraft , Blades , Cascades (Fluid dynamics) , Coolants , Flow (Dynamics) , Mach number

Influence of Chord Length and Inlet Boundary Layer on the Secondary Losses of Turbine Blades

Helmut Sauer, Robin Schmidt, Konrad Vogeler

GT 2010; 1089-1100doi:https://doi.org/10.1115/GT2010-22065

Abstract

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Topics: Boundary layers , Chords (Trusses) , Turbine blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Computational methods , Deflection , Displacement , Friction , Integral equations

Study of Gas Turbine Exhaust Diffuser Performance and Its Enhancement by Shape Modifications

A. M. Pradeep, Bhaskar Roy, V. Vaibhav, D. Srinuvasu

GT 2010; 1101-1110doi:https://doi.org/10.1115/GT2010-22088

Abstract

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Topics: Diffusers , Exhaust systems , Gas turbines , Shapes , Geometry , Flow (Dynamics) , Pressure , Stress , Airfoils , Boundary layers

Effects of Blade Loading Distribution on Aerodynamic Performance of Ultra-High Lift LP Turbine Airfoils Under the Influences of Wake Passing and Freestream Turbulence

Ken-ichi Funazaki, Takahiro Shiba, Haruyuki Tanimitsu

GT 2010; 1111-1121doi:https://doi.org/10.1115/GT2010-22134

Abstract

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Topics: Airfoils , Blades , Turbines , Turbulence , Wakes , Boundary layers , Bubbles , Computational fluid dynamics , Flow (Dynamics) , Probes

The Influence of Different Rim Seal Geometries on Hot-Gas Ingestion and Total Pressure Loss in a Low-Pressure Turbine

P. Schuler, W. Kurz, K. Dullenkopf, H.-J. Bauer

GT 2010; 1123-1134doi:https://doi.org/10.1115/GT2010-22205

Abstract

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Topics: Pressure , Turbines , Flow (Dynamics) , Geometry , Sealing (Process) , Gas flow , Boundary layers , Turbine blades , Blades , Cavities

“Online Throughflow”: Automatic Simultaneous Simulation of an Axial Flow Turbine

Norbert Schinko, Martin Marx, Martin G. Rose, Stephan Staudacher, Jochen Gier, Norbert Hu¨bner

GT 2010; 1135-1144doi:https://doi.org/10.1115/GT2010-22240

Abstract

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Topics: Axial flow , Simulation , Turbines , Flow (Dynamics) , Aircraft engines , Aircraft propulsion , Airfoils , Data acquisition systems , Errors , Instrumentation

Investigation of Low Solidity LP Turbine Cascade With Flow Control: Part 1—Active Flow Control Using Jet-Flap

Ping-Ping Chen, Wei-Yang Qiao, Hua-Ling Luo, Farhan Ali Hashmi

GT 2010; 1145-1154doi:https://doi.org/10.1115/GT2010-22328

Abstract

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Topics: Cascades (Fluid dynamics) , Flow control , Separation (Technology) , Turbines

Investigation of Low Solidity LP Turbine Cascade With Flow Control: Part 2—Passive Flow Control Using Gurney-Flap

Ping-Ping Chen, Wei-Yang Qiao, Hua-Ling Luo

GT 2010; 1155-1162doi:https://doi.org/10.1115/GT2010-22330

Abstract

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Topics: Cascades (Fluid dynamics) , Flow control , Separation (Technology) , Turbines

Numerical Simulation of a Highly Loaded LPT Cascade With Strong Suction Side Separation Under Periodically Unsteady Inflow Conditions

Marco Schwarze, Reinhard Niehuis

GT 2010; 1163-1175doi:https://doi.org/10.1115/GT2010-22363

Abstract

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Topics: Cascades (Fluid dynamics) , Computer simulation , Inflow , Separation (Technology) , Suction , Wakes , Boundary layers , Blades , Flow (Dynamics) , Pressure

Improving the Interaction Between Leakage Flows and Main Flow in a Low Pressure Turbine

Inga Mahle

GT 2010; 1177-1186doi:https://doi.org/10.1115/GT2010-22448

Abstract

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Topics: Flow (Dynamics) , Leakage flows , Pressure , Turbines , Cavities , Turbulence , Airfoils , Cavity flows , Engineering simulation , Kinetic energy

Design and Analysis of HP-Turbine for Variable Cycle Engine

Zhi-gang Liu, Xiang-jun Fang, Si-yong Liu, Ping Wang, Zhao Yin

GT 2010; 1187-1195doi:https://doi.org/10.1115/GT2010-22449

Abstract

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Topics: Cycles , Design , Engines , Turbines , Flow (Dynamics) , Blades , Boundary layers , Design methodology , Waves , Clearances (Engineering)

The Influence of the Total Pressure Profile on the Performance of Axial Gas Turbine Diffusers

A. Hirschmann, S. Volkmer, M. Schatz, C. Finzel, M. Casey, M. Montgomery

GT 2010; 1197-1207doi:https://doi.org/10.1115/GT2010-22481

Abstract

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Topics: Diffusers , Gas turbines , Pressure , Engineering simulation , Flow separation , Simulation , Turbines , Boundary-value problems , Combined heat and power , Computational fluid dynamics

Quantitative Risk Assessment for the Performance Estimation of a Gas Turbine Upgrade

Sebastian Heinze, Kerstin Tageman, A˚ke Klang, Anna Molker

GT 2010; 1209-1219doi:https://doi.org/10.1115/GT2010-22487

Abstract

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Topics: Gas turbines , Risk assessment , Turbines , Statistical distributions , Air flow , Compressors , Uncertainty , Cooling , Combustion chambers , Computer software

On the Development of Short Axial Length Turbine Stator With Outlet Mach Number 2

Martin Neˇmec, Petr Straka, Toma´sˇ Jeli´nek, Martin Baba´k

GT 2010; 1221-1230doi:https://doi.org/10.1115/GT2010-22490

Abstract

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Topics: Mach number , Stators , Turbines , Geometry , Cascades (Fluid dynamics) , Computer simulation , Machinery , Rotors , Steam turbines

The Effect of Clearance on Shrouded and Unshrouded Turbines at Two Levels of Reaction

Sungho Yoon, Eric Curtis, John Denton, John Longley

GT 2010; 1231-1241doi:https://doi.org/10.1115/GT2010-22541

Abstract

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Topics: Clearances (Engineering) , Turbines , Leakage , Flow (Dynamics) , Rotors , Kinetic energy , Physics

Characteristics of Tip Leakage Flow of the Turbine Blade With Cutback Squealer and Coolant Injection

Jianhua Wang, Yalin Liu, Xiaochun Wang, Zhineng Du, Shijie Yang

GT 2010; 1243-1251doi:https://doi.org/10.1115/GT2010-22566

Abstract

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Topics: Coolants , Leakage flows , Turbine blades , Blades , Leakage , Vortices , Computer software , Film cooling , Flow (Dynamics) , Fluids

Numerical Investigations of Flow Separation Control for a Low Pressure Turbine Blade Using Steady and Pulsed Vortex Generator Jets

Xiaomin Liu, Haiyang Zhou

GT 2010; 1253-1262doi:https://doi.org/10.1115/GT2010-22587

Abstract

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Topics: Flow separation , Generators , Jets , Pressure , Turbine blades , Vortices , Blades , Suction , Turbulence , Flow control

Complex Secondary Flow and Associated Loss Generation in Ultra-Highly Loaded Turbine Cascade

Hoshio Tsujita, Atsumasa Yamamoto

GT 2010; 1263-1274doi:https://doi.org/10.1115/GT2010-22594

Abstract

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Blades , Vortices , Pressure , Boundary layers , Flow visualization , Computation , Gas turbines

Aerodynamic Analysis and Redesign of an Inlet Segment for a Heavy-Duty Gas Turbine Engine

Samer Abdel-Wahab, Gregory Vogel

GT 2010; 1275-1282doi:https://doi.org/10.1115/GT2010-22674

Abstract

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Topics: Gas turbines , Turbines , Combustion chambers , Shapes , Pressure , Computational fluid dynamics , Annulus , Cooling , Crystals , Design

Predicting the Profile Loss of High-Lift Low Pressure Turbines

John D. Coull, Howard P. Hodson

GT 2010; 1283-1297doi:https://doi.org/10.1115/GT2010-22675

Abstract

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Topics: Pressure , Turbines , Suction , Boundary layers , Design , Shapes , Blades , Flow (Dynamics) , Bubbles , Cascades (Fluid dynamics)

Measurements of Losses and Reynolds Stresses in the Secondary Flow Downstream of a Low-Speed Linear Turbine Cascade

G. D. MacIsaac, S. A. Sjolander, T. J. Praisner

GT 2010; 1299-1313doi:https://doi.org/10.1115/GT2010-22727

Abstract

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Stress , Turbines , Turbulence , Probes , Kinetic energy , Pressure , Boundary layers , Chords (Trusses)

Passive Boundary Layer Control on a Highly Loaded Low Pressure Turbine Cascade

Markus Martinstetter, Reinhard Niehuis, Matthias Franke

GT 2010; 1315-1326doi:https://doi.org/10.1115/GT2010-22739

Abstract

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Topics: Boundary layers , Cascades (Fluid dynamics) , Pressure , Turbines , Reynolds number , Suction , Engines , Geometry , Inflow , Mach number

Measurements of Endwall Flows in Transonic Linear Turbine Cascades: Part I—Low Flow Turning

F. Taremi, S. A. Sjolander, T. J. Praisner

GT 2010; 1327-1341doi:https://doi.org/10.1115/GT2010-22759

Abstract

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Topics: Flow (Dynamics) , Flow turning , Turbines , Pressure , Probes , Airfoils , Blades , Boundary layers , Cascades (Fluid dynamics) , Design

Measurements of Endwall Flows in Transonic Linear Turbine Cascades: Part II—High Flow Turning

F. Taremi, S. A. Sjolander, T. J. Praisner

GT 2010; 1343-1356doi:https://doi.org/10.1115/GT2010-22760

Abstract

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Topics: Flow (Dynamics) , Flow turning , Turbines , Mach number , Design , Vorticity , Flow separation , Flow visualization , Kinetic energy , Pressure

The Effect of Reynolds and Mach Number on End-Wall Profiling Performance

Rau´l Va´zquez, Vicente Jerez Fidalgo

GT 2010; 1357-1368doi:https://doi.org/10.1115/GT2010-22765

Abstract

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Topics: Mach number , Pressure , Turbines , Airfoils , Blades , Computational fluid dynamics , Design , Flow (Dynamics) , Probes , Reynolds number

Impact of Flowfield Unsteadiness on Film Cooling of a High Pressure Turbine Blade

Paul Vitt, Chad Iverson, Malak F. Malak, Jong S. Liu

GT 2010; 1369-1380doi:https://doi.org/10.1115/GT2010-22773

Abstract

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Topics: Film cooling , High pressure (Physics) , Turbine blades , Blades , Flow (Dynamics) , Pressure , Steady state , Airfoils , Design , Engines

Numerical Simulation of Clocking Effect on Wake Transportation and Interaction in a 1.5-Stage Axial Turbine

Wei Li, Hua Ouyang, Zhao-hui Du

GT 2010; 1381-1389doi:https://doi.org/10.1115/GT2010-22783

Abstract

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Topics: Computer simulation , Transportation systems , Turbines , Wakes , Stators , Blades , Pressure , Computational fluid dynamics , Density , Flow (Dynamics)

Investigation of Aerodynamic Losses and Film Cooling Effectiveness for a NGV Profile

Bruno Stephan, Jo¨rg Kru¨ckels, Michael Gritsch

GT 2010; 1391-1400doi:https://doi.org/10.1115/GT2010-22810

Abstract

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Topics: Film cooling , Nozzle guide vanes , Airfoils , Cooling , Design , Suction , Flow (Dynamics) , Gas turbines , Gases , Momentum

Impact of the Inflow Conditions on the Heavy-Duty Gas Turbine Exhaust Diffusers Performance

Vladimir Vassiliev, Stefan Irmisch, Samer Abdel-Wahab, Andrey Granovskiy

GT 2010; 1401-1412doi:https://doi.org/10.1115/GT2010-22840

Abstract

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Topics: Diffusers , Exhaust systems , Gas turbines , Inflow , Flow (Dynamics) , Pressure , Computational fluid dynamics , Geometry , Mach number , Turbulence

Effects of an Upstream Cavity on the Secondary Flow in a Transonic Turbine Cascade

H. M. Abo El Ella, S. A. Sjolander, T. J. Praisner

GT 2010; 1413-1424doi:https://doi.org/10.1115/GT2010-22843

Abstract

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Topics: Cascades (Fluid dynamics) , Cavities , Flow (Dynamics) , Turbines , Design , Mach number , Blades , Chords (Trusses) , Geometry , Pressure

Parametrical Investigation of Turbine Stages With Open Tip Clearance for the Purpose of Stage Efficiency Increase

Andrei Granovskiy, Mikhail Kostege, Nikolay Lomakin

GT 2010; 1425-1432doi:https://doi.org/10.1115/GT2010-22876

Abstract

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Topics: Clearances (Engineering) , Turbines , Blades , Pressure , Flow (Dynamics) , Leakage , Rotors , Axial flow , Leakage flows , Pressure gradient

Aerodynamic Performance of a Very High Lift Low Pressure Turbine Airfoil (T106C) at Low Reynolds and High Mach Number With Effect of Free Stream Turbulence Intensity

Jan Micha´lek, Michelangelo Monaldi, Tony Arts

GT 2010; 1433-1444doi:https://doi.org/10.1115/GT2010-22884

Abstract

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Topics: Airfoils , Mach number , Pressure , Turbines , Turbulence , Cascades (Fluid dynamics) , Flow (Dynamics) , Reynolds number , Boundary layers , Boundary-value problems

The Application of Low-Profile Vortex Generators in an Intermediate Turbine Diffuser

C. Santner, E. Go¨ttlich, A. Marn, J. Hubinka, B. Paradiso

GT 2010; 1445-1455doi:https://doi.org/10.1115/GT2010-22892

Abstract

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Topics: Diffusers , Generators , Turbines , Vortices , Ducts , Flow (Dynamics) , Separation (Technology) , Pressure , Boundary layers , Aircraft engines

Performance of a Nozzle Guide Vane in Subsonic and Transonic Regimes Tested in an Annular Sector

Tolga Yasa, Guillermo Paniagua, Jens Fridh, Damian Vogt

GT 2010; 1457-1467doi:https://doi.org/10.1115/GT2010-22901

Abstract

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Topics: Nozzle guide vanes , Pressure , Flow (Dynamics) , Probes , Design , Transducers , Wakes , Airfoils , Coolants , Cooling

Part-Span Application of Sweep and Lean at Turbine Blade Tips: A Low Speed Experimental Cascade Study

Bhaskar Roy, Anoop Prajapati

GT 2010; 1469-1478doi:https://doi.org/10.1115/GT2010-22971

Abstract

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Topics: Cascades (Fluid dynamics) , Turbine blades , Blades , Turbines , Wakes , Airfoils , Axial flow , Boundary layers , Pressure , Rotors

LP Turbine Reynolds Lapse Phenomena: Time Averaged Area Traverse and Multistage CFD

Matthias Ku¨rner, Carsten Schneider, Martin G. Rose, Stephan Staudacher, Jochen Gier

GT 2010; 1479-1487doi:https://doi.org/10.1115/GT2010-23114

Abstract

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Topics: Computational fluid dynamics , Turbines , Reynolds number , Aircraft engines , Aircraft propulsion , Airfoils , Probes , Wakes

Study of Viscous Controlled Vortex Design of a LP Turbine Stage

Qun Zheng, Jie Gao, Bin Li

GT 2010; 1489-1501doi:https://doi.org/10.1115/GT2010-23123

Abstract

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Topics: Computer simulation , Design , Turbines , Vortices

Optical Investigation of Profile Losses in a Linear Turbine Cascade

Olga Alhaj, Joerg R. Seume

GT 2010; 1503-1513doi:https://doi.org/10.1115/GT2010-23166

Abstract

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Topics: Cascades (Fluid dynamics) , Turbines , Probes , Flow (Dynamics) , Flow visualization , Wakes , Density , Machinery , Optical measurement , Particulate matter

The Interaction Between Horseshoe Vortex and Longitudinal Vortices From the Vortex Generators

Masaharu Andoh, Masahiro Motosuke, Shinji Honami

GT 2010; 1515-1524doi:https://doi.org/10.1115/GT2010-23222

Abstract

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Topics: Generators , Vortices , Blades , Airfoils , Cascades (Fluid dynamics) , Junctions , Momentum , Probes , Reynolds number , Separation (Technology)

A CFD Study of Low Reynolds Number Flow in High Lift Cascades

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini

GT 2010; 1525-1534doi:https://doi.org/10.1115/GT2010-23300

Abstract

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Topics: Computational fluid dynamics , Flow (Dynamics) , Reynolds number , Turbulence , Bubbles , Turbines , Cascades (Fluid dynamics) , Computation , Diffusion (Physics) , Fluctuations (Physics)

Effect of Surface Roughness on Loss Behaviour, Aerodynamic Loading and Boundary Layer Development of a Low-Pressure Gas Turbine Airfoil

Marco Montis, Reinhard Niehuis, Andreas Fiala

GT 2010; 1535-1547doi:https://doi.org/10.1115/GT2010-23317

Abstract

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Topics: Airfoils , Boundary layers , Gas turbines , Pressure , Surface roughness , Probes , Cascades (Fluid dynamics) , Reynolds number , Wire , Blades

Numerical and Experimental Analysis of the Effects of Non-Axisymmetric Contoured Stator Endwalls in an Axial Turbine

Thorsten Poehler, Jochen Gier, Peter Jeschke

GT 2010; 1549-1559doi:https://doi.org/10.1115/GT2010-23350

Abstract

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Topics: Experimental analysis , Stators , Turbines , Flow (Dynamics) , Rotors , Vortices , Blades , Clearances (Engineering) , Engineering simulation , Jet propulsion

Numerical Investigation of the Influence of Real World Blade Profile Variations on the Aerodynamic Performance of Transonic Nozzle Guide Vanes

R. Edwards, A. Asghar, R. Woodason, M. LaViolette, K. Goni Boulama, W. Allan

GT 2010; 1561-1569doi:https://doi.org/10.1115/GT2010-23461

Abstract

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Topics: Blades , Nozzle guide vanes , Cascades (Fluid dynamics) , Flow (Dynamics) , Pressure , Airfoils , Boundary layers , Computational fluid dynamics , Computation , Computer simulation

Wake Control by Boundary Layer Suction Applied to a High-Lift Low-Pressure Turbine Blade

Francesca Satta, Marina Ubaldi, Pietro Zunino, Claudia Schipani

GT 2010; 1571-1582doi:https://doi.org/10.1115/GT2010-23475

Abstract

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Topics: Boundary layers , Pressure , Suction , Turbine blades , Wakes , Blades , Cascades (Fluid dynamics) , Reynolds number , Turbines , Chords (Trusses)

A Simplified Method With Local Correlations for the Analysis of Multistage Axial Turbines

Luca Ratto, Antonio Satta

GT 2010; 1583-1592doi:https://doi.org/10.1115/GT2010-23491

Abstract

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Topics: Turbines , Equilibrium (Physics) , Approximation , Flow (Dynamics) , Gas turbines , Pressure , Steam turbines

Aeromechanical Optimisation of a Winglet-Squealer Tip for an Axial Turbine

Zbigniew Schabowski, Howard Hodson, Davide Giacche, Bronwyn Power, Mark R. Stokes

GT 2010; 1593-1607doi:https://doi.org/10.1115/GT2010-23542

Abstract

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Topics: Optimization , Turbines , Geometry , Design , Cascades (Fluid dynamics) , Blades , Cavities , Computational fluid dynamics , Deformation , Leakage

Combined Blowing and Suction to Control Both Midspan and Endwall Losses in a Turbomachinery Passage

Matthew J. Bloxham, Jeffrey P. Bons

GT 2010; 1609-1618doi:https://doi.org/10.1115/GT2010-23552

Abstract

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Topics: Suction , Turbomachinery , Flow control , Pressure , Design , Trajectories (Physics) , Vortices , Wakes , Cascades (Fluid dynamics) , Flow (Dynamics)

Experimental and Numerical Investigations of Aerodynamic Behavior of a Three-Stage HP-Turbine at Different Operating Conditions

S. A. Abdelfattah, M. T. Schobeiri

GT 2010; 1619-1632doi:https://doi.org/10.1115/GT2010-23564

Abstract

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Topics: Turbines , Aerodynamics , Rotors , Blades , Computational fluid dynamics , Computer simulation , High pressure research , Probes , Stators

Highly Loaded Low-Pressure Turbine: Design, Numerical, and Experimental Analysis

J. T. Schmitz, S. C. Morris, R. Ma, T. C. Corke, J. P. Clark, P. J. Koch, S. L. Puterbaugh

GT 2010; 1633-1646doi:https://doi.org/10.1115/GT2010-23591

Abstract

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Topics: Design , Experimental analysis , Pressure , Turbines , Flow (Dynamics) , Blades , Boundary layers , Geometry , Modeling , Nozzles

Computational Study of Geometric Parameter Influence on Aggressive Inter-Turbine Duct Performance

Paul T. Couey, Craig W. McKeever, Malak F. Malak, S. Balamurugan, H. Raju Veeraraghava, R. Dhinagaran

GT 2010; 1647-1656doi:https://doi.org/10.1115/GT2010-23604

Abstract

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Topics: Ducts , Turbines , Conceptual design , Risk , Engines , Gas turbines , Design , Computational fluid dynamics , Cycles , Analytical design

Influence of Rotor Blade Fillets on Aerodynamic Performance of Turbine Stage

Yan Shi, Jun Li, Zhenping Feng

GT 2010; 1657-1668doi:https://doi.org/10.1115/GT2010-23721

Abstract

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Topics: Blades , Rotors , Turbines , Flow (Dynamics) , Shapes , Design , Displacement , Engineering simulation , Flow separation , Junctions

Experimental and Numerical Studies on Highly Loaded Supersonic Axial Turbine Cascades

T. Wolf, F. Kost, E. Janke, F. Haselbach, L. Willer

GT 2010; 1669-1676doi:https://doi.org/10.1115/GT2010-23808

Abstract

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Topics: Turbines , High pressure (Physics) , Airfoils , Cascades (Fluid dynamics) , Design , Mach number , Aircraft engines , Computational fluid dynamics , Engines , Reynolds number

Radial Turbomachinery Aerodynamics

Performance Test Diagnosis of a Compact Two Stage High Pressure Ratio Compressor

C. Rodgers, D. Brown

GT 2010; 1677-1685doi:https://doi.org/10.1115/GT2010-22038

Abstract

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Topics: Compressors , High pressure (Physics) , Testing performance , Computational fluid dynamics , Flow (Dynamics) , Ducts , Design , Diffusers , Impellers , Testing

Parker-Type Acoustic Resonances in the Return Guide Vane Cascade of a Centrifugal Compressor: Theoretical Modeling and Experimental Verification

Sven Ko¨nig, Nico Petry

GT 2010; 1687-1700doi:https://doi.org/10.1115/GT2010-22138

Abstract

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Topics: Acoustics , Cascades (Fluid dynamics) , Compressors , Guide vanes , Modeling , Resonance , Vortex shedding , Excitation , Flow (Dynamics) , High pressure (Physics)

An Investigation of Compressor Map Width Enhancement and the Inducer Flow Field Using Various Configurations of Shroud Bleed Slot

Subenuka Sivagnanasundaram, Stephen Spence, Juliana Early, Bahram Nikpour

GT 2010; 1701-1710doi:https://doi.org/10.1115/GT2010-22154

Abstract

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Topics: Compressors , Flow (Dynamics) , Surges , Blades , Computational fluid dynamics , Computer simulation , Diesel engines , Geometry , Impellers , Mesh generation

Analysis and Validation of a Unified Slip Factor Model for Impellers at Design and Off-Design Conditions

Xuwen Qiu, David Japikse, Jinhui Zhao, Mark R. Anderson

GT 2010; 1711-1721doi:https://doi.org/10.1115/GT2010-22164

Abstract

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Topics: Design , Impellers , Flow (Dynamics) , Blades , Compressors , Eddies (Fluid dynamics) , Pumps

The Effects of Radial Inlet on the Performance of Variable Inlet Guide Vanes in a Centrifugal Compressor Stage

Jiajian Tan, Datong Qi, Rui Wang

GT 2010; 1723-1732doi:https://doi.org/10.1115/GT2010-22177

Abstract

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Topics: Compressors , Inlet guide vanes , Flow (Dynamics) , Impellers , Pressure , Flow simulation , Pipelines , Simulation results , Turbochargers , Vaneless diffusers

The Effect of Unequal Admission on the Performance and Loss Generation in a Double-Entry Turbocharger Turbine

Colin D. Copeland, Peter Newton, Ricardo Martinez-Botas, Martin Seiler

GT 2010; 1733-1745doi:https://doi.org/10.1115/GT2010-22212

Abstract

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Topics: Turbines , Turbochargers , Flow (Dynamics) , Rotors , Design , Computational fluid dynamics , Wheels , Blades , Exhaust systems , Nozzles

Development of a Rotating Centrifugal Separator Technology for Centrifugal Compressors

William Maier, Gocha Chochua, Yuri Biba

GT 2010; 1747-1756doi:https://doi.org/10.1115/GT2010-22222

Abstract

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Topics: Compressors , Design , Separation (Technology) , Offshore platforms , Testing , Weight (Mass)

Effect of Impeller Blade Loading on Compressor Stage Performance in a High Specific Speed Range

Takanori Shibata, Manabu Yagi, Hideo Nishida, Hiromi Kobayashi, Masanori Tanaka

GT 2010; 1757-1768doi:https://doi.org/10.1115/GT2010-22281

Abstract

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Topics: Blades , Compressors , Impellers , Surges , Design , Diffusion (Physics) , Flow (Dynamics) , Mach number , Machinery , Pressure

Compressor Design for Multi-Point Operating Conditions of Turbocharged Gasoline Engines

Tao Chen, Yangjun Zhang, Xinqian Zheng, Weilin Zhuge

GT 2010; 1769-1777doi:https://doi.org/10.1115/GT2010-22283

Abstract

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Topics: Compressors , Design , Gasoline engines , Turbochargers , Design methodology , Flow (Dynamics) , Stress , Engines , Internal combustion engines , Pressure

Numerical Characterization of the Inlet Flow for Eleven Radial Turbomachines

Nathan O. Packard, David Japikse, R. Daniel Maynes, Steven E. Gorrell

GT 2010; 1779-1791doi:https://doi.org/10.1115/GT2010-22366

Abstract

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Topics: Flow (Dynamics) , Turbomachinery , Pressure , Impellers , Modeling , Computational fluid dynamics , Machinery , Model development , Blades , Design

Impact of Fan Gap Flow to the Centrifugal Impeller Aerodynamics

Yu-Tai Lee

GT 2010; 1793-1803doi:https://doi.org/10.1115/GT2010-22381

Abstract

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Topics: Aerodynamics , Flow (Dynamics) , Impellers , Separation (Technology) , Computational fluid dynamics , Blades , Design , Ducts , Flow separation , Flow turning

Unsteady Behavior and Control of Diffuser Leading-Edge Vortex in a Centrifugal Compressor

Yutaka Ohta, Takashi Goto, Eisuke Outa

GT 2010; 1805-1813doi:https://doi.org/10.1115/GT2010-22394

Abstract

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Topics: Compressors , Diffusers , Vortices , Flow (Dynamics) , Computer simulation , Noise (Sound) , Visualization

Simulation of Particle Trajectories and Erosion Through a Centrifugal Compressor

Adel Ghenaiet

GT 2010; 1815-1830doi:https://doi.org/10.1115/GT2010-22417

Abstract

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Topics: Compressors , Erosion , Particulate matter , Simulation , Blades , Particle size , Air flow , Corners (Structural elements) , Finite element methods , Impellers

Prediction of Erosion in Radial Turbine Components

Adel Ghenaiet

GT 2010; 1831-1846doi:https://doi.org/10.1115/GT2010-22419

Abstract

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Topics: Erosion , Turbine components , Particulate matter , Rotors , Blades , Turbines , Pressure , Axial flow , Computer simulation , Damage

Extracting Two-Zone Model Parameters for Centrifugal Compressor Design

Fahua Gu, Chris Thilges, Matt Cambio

GT 2010; 1847-1857doi:https://doi.org/10.1115/GT2010-22506

Abstract

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Topics: Compressors , Design , Diffusion (Physics) , Impellers , Pressure , Flow (Dynamics) , Blades , Compressor impellers , Computational fluid dynamics , Modeling

The Cordier Line for Mixed Flow Compressors

Michael Casey, Christof Zwyssig, Chris Robinson

GT 2010; 1859-1869doi:https://doi.org/10.1115/GT2010-22549

Abstract

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Topics: Compressors , Flow (Dynamics) , Design , Pressure , Axial flow , Computational fluid dynamics , Pumps , Shapes

Blade Thickness Effect on Impeller Slip Factor

Donghui Zhang, Jean-Luc Di Liberti, Michael Cave

GT 2010; 1871-1878doi:https://doi.org/10.1115/GT2010-22557

Abstract

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Topics: Blades , Impellers , Computational fluid dynamics , Flow (Dynamics)

Effect of Recirculation Device on Performance of High Pressure Ratio Centrifugal Compressor

Hideaki Tamaki

GT 2010; 1879-1889doi:https://doi.org/10.1115/GT2010-22570

Abstract

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Topics: Compressors , High pressure (Physics) , Leakage flows , Shock (Mechanics) , Flow (Dynamics) , Impellers , Leakage , Turbochargers , Vortices , Blades

Stability Improvement of High-Pressure-Ratio Turbocharger Centrifugal Compressor by Asymmetric Flow Control: Part I—Non-Axisymmetric Flow in Centrifugal Compressor

Mingyang Yang, Xinqian Zheng, Yangjun Zhang, Takahiro Bamba, Hideaki Tamaki, Joern Huenteler, Zhigang Li

GT 2010; 1891-1902doi:https://doi.org/10.1115/GT2010-22581

Abstract

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Topics: Compressors , Flow (Dynamics) , Flow control , Pressure , Stability , Turbochargers , Diffusers , Geometry , Impellers , Phase shift

Stability Improvement of High-Pressure-Ratio Turbocharger Centrifugal Compressor by Asymmetric Flow Control: Part II—Non-Axisymmetric Self Recirculation Casing Treatment

Xinqian Zheng, Yangjun Zhang, Mingyang Yang, Takahiro Bamba, Hideaki Tamaki

GT 2010; 1903-1912doi:https://doi.org/10.1115/GT2010-22582

Abstract

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Topics: Compressors , Flow control , Pressure , Stability , Turbochargers , Surges , Flow (Dynamics) , Blades , Computer simulation , Geometry

Study of the Flow in a Vaneless Diffuser at Part Speed Operating Conditions

Hamid R. Hazby, Liping Xu, Matthias Schleer

GT 2010; 1913-1923doi:https://doi.org/10.1115/GT2010-22605

Abstract

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Topics: Flow (Dynamics) , Vaneless diffusers , Compressors , Diffusers , Impellers , Pressure , Pressure gradient , Probes , Steady state , Turbochargers

A 3-D Compressible Flow Model for Weak Rotating Waves in Vaneless Diffusers: Part I—The Model

Hua Chen, Fen Shen, Xiao-cheng Zhu, Zhao-hui Du

GT 2010; 1925-1935doi:https://doi.org/10.1115/GT2010-22622

Abstract

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Topics: Compressible flow , Vaneless diffusers , Waves , Mach number , Diffusers , Flow (Dynamics) , Compressors , Finite difference methods , Pressure

Validation and Development of Loss Models for Small Size Radial Turbines

Jan F. Suhrmann, Dieter Peitsch, Marc Gugau, Tom Heuer, Uwe Tomm

GT 2010; 1937-1949doi:https://doi.org/10.1115/GT2010-22666

Abstract

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Topics: Computational fluid dynamics , Turbines , Turbochargers

A Numerical Study of the Flow Fields in a Highly Off-Design Variable Geometry Turbine

Jason Walkingshaw, Stephen Spence, Jan Ehrhard, David Thornhill

GT 2010; 1951-1960doi:https://doi.org/10.1115/GT2010-22669

Abstract

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Topics: Design , Flow (Dynamics) , Geometry , Turbines , Blades , Stators , Rotors , Leakage flows , Clearances (Engineering) , Computational fluid dynamics

Investigation of Unsteady Impeller-Diffuser Interaction in a Transonic Centrifugal Compressor Stage

Yangwei Liu, Baojie Liu, Lipeng Lu

GT 2010; 1961-1971doi:https://doi.org/10.1115/GT2010-22737

Abstract

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Topics: Compressors , Diffusers , Impellers , Flow (Dynamics) , Design , Engineering simulation , Simulation , Chords (Trusses) , Blades , Leakage flows

Analysis of Secondary Flow Behavior in Low Solidity Cascade Diffuser of a Centrifugal Blower

Masahiro Ishida, Tengen Murakami, Daisaku Sakaguchi, Hironobu Ueki, Hiroshi Hayami, Yasutoshi Senoo

GT 2010; 1973-1982doi:https://doi.org/10.1115/GT2010-22861

Abstract

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Topics: Blades , Cascades (Fluid dynamics) , Diffusers , Flow (Dynamics) , Vortices

Experimental Study of Vaned Diffusers in Centrifugal Compressor

Ahti Jaatinen, Aki-Pekka Gro¨nman, Teemu Turunen-Saaresti, Jari Backman

GT 2010; 1983-1995doi:https://doi.org/10.1115/GT2010-22883

Abstract

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Topics: Compressors , Diffusers , Flow (Dynamics) , Design , Vaneless diffusers , Energy consumption

Steady and Transient Computations of Interaction Effects in a Centrifugal Compressor With Different Types of Diffusers

S. Anish, N. Sitaram

GT 2010; 1997-2006doi:https://doi.org/10.1115/GT2010-22913

Abstract

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Topics: Compressors , Computation , Diffusers , Transients (Dynamics) , Flow (Dynamics) , Impellers , Design , Pressure , Engineering simulation , Separation (Technology)

Optimizing a Suction Channel to Improve Performance of a Centrifugal Compressor Stage

Manabu Yagi, Takanori Shibata, Hideo Nishida, Hiromi Kobayashi, Masanori Tanaka, Kazuyuki Sugimura

GT 2010; 2007-2017doi:https://doi.org/10.1115/GT2010-23019

Abstract

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Topics: Compressors , Suction , Design , Flow (Dynamics) , Pressure , Computational fluid dynamics , Dimensions , Experimental design , Impellers , Mach number

Novel IGV Designs for Centrifugal Compressors and Their Interaction With the Impeller

Arman Mohseni, Erik Goldhahn, Rene´ A. Van den Braembussche, Joerg R. Seume

GT 2010; 2019-2029doi:https://doi.org/10.1115/GT2010-23048

Abstract

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Topics: Compressors , Impellers , Inlet guide vanes , Flow (Dynamics) , Flow separation , Guide vanes , Manufacturing , Pressure , Stability

Numerical Investigation on the Labyrinth Seal Design for a Low Flow Coefficient Centrifugal Compressor

Zhiheng Wang, Liqun Xu, Guang Xi

GT 2010; 2031-2041doi:https://doi.org/10.1115/GT2010-23096

Abstract

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Topics: Compressors , Design , Flow (Dynamics) , Computational fluid dynamics , Engineering simulation , Impellers , Leakage , Simulation , Compressor impellers , Geometry

Aerodynamic Analysis of a Micro Turbine Centrifugal Compressor

Mattia Olivero, Adeel Javed, Jos P. van Buijtenen

GT 2010; 2043-2052doi:https://doi.org/10.1115/GT2010-23112

Abstract

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Topics: Compressors , Turbines , Flow (Dynamics) , Computational fluid dynamics , Combined heat and power , Engineering simulation , Impellers , Mach number , Physics , Reynolds number

Comparative Study on Tip Clearance Flow Fields in Two Types of Transonic Centrifugal Compressor Impeller With Splitter Blades

Kazutoyo Yamada, Yusuke Tamagawa, Hisataka Fukushima, Masato Furukawa, Seiichi Ibaraki, Ken-ichiro Iwakiri

GT 2010; 2053-2063doi:https://doi.org/10.1115/GT2010-23345

Abstract

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Topics: Blades , Clearances (Engineering) , Compressor impellers , Flow (Dynamics) , Compressors , Impellers , Leakage , Pressure , Simulation , Vortices

A New Type of Self-Adaptive Casing Treatment for a Centrifugal Compressor

Tong Wang, Wei Xu, Chuangang Gu, Jun Xiao

GT 2010; 2065-2074doi:https://doi.org/10.1115/GT2010-23457

Abstract

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Topics: Compressors , Flow (Dynamics) , Impellers , Surges , Computational fluid dynamics , Fluids , Momentum , Pressure , Turbochargers

Unsteady Rotor-Stator Interaction of a Radial-Inflow Turbine With Variable Nozzle Vanes

Tomoki Kawakubo

GT 2010; 2075-2084doi:https://doi.org/10.1115/GT2010-23677

Abstract

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Topics: Inflow , Nozzles , Rotors , Stators , Turbines , Blades , Impellers , Flow (Dynamics) , Excitation , Shock waves

Steam Turbines

Unsteady Forces of Rotor Blades in Full and Partial Admission Turbines

Narmin Baagherzadeh Hushmandi, Jens E. Fridh, Torsten H. Fransson

GT 2010; 2085-2098doi:https://doi.org/10.1115/GT2010-22003

Abstract

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Topics: Blades , Rotors , Turbines , Flow (Dynamics) , Pressure , Cavities , Disks , Stators , Annulus , Design

Aerodynamic Optimization of an Impulse Turbine Cascade Including Laminar/Turbulent Transition Prediction

Ernesto Benini, Claudio Comis da Ronco, Rita Ponza

GT 2010; 2099-2107doi:https://doi.org/10.1115/GT2010-22026

Abstract

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Topics: Cascades (Fluid dynamics) , Impulse (Physics) , Optimization , Turbines , Turbulence , Pressure , Airfoils , Algorithms , Boundary layers , Computational fluid dynamics

Aerodynamic Design of Transonic Tip Sections

A. Stein, D. C. Hofer, V. Filippenko, J. Slepski

GT 2010; 2109-2118doi:https://doi.org/10.1115/GT2010-22165

Abstract

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Topics: Design , Mach number , Computational fluid dynamics , Geometry , Steam turbines , Wedges

Semi-Analytical Procedure for Prediction of Radial Clearances in Industrial Steam Turbines

Christian Hesse, Sophie Schoene, Uwe Gampe, Juergen Kober, Hannes Fogt

GT 2010; 2119-2126doi:https://doi.org/10.1115/GT2010-22183

Abstract

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Topics: Steam turbines , Steam , Temperature , Turbines , Design , Finite element analysis , Boundary-value problems , Deflection , Displacement measurement , Generators

Effects of Design Variations of Rotor Entry Cavity Geometry on Shrouded Steam Turbine Performance

K. G. Barmpalias, A. I. Kalfas, R. S. Abhari, Toshio Hirano, Naoki Shibukawa

GT 2010; 2127-2137doi:https://doi.org/10.1115/GT2010-22279

Abstract

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Topics: Cavities , Design , Geometry , Rotors , Steam turbines , Flow (Dynamics) , Blades , Clearances (Engineering) , Probes , Safety

Aerodynamic Optimization System Development for Low Pressure Exhaust Hood of Steam Turbine

Hongtao Wang, Xiaocheng Zhu, Zhaohui Du, Hong Yang

GT 2010; 2139-2148doi:https://doi.org/10.1115/GT2010-22280

Abstract

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Topics: Exhaust systems , Optimization , Pressure , Steam turbines , Computational fluid dynamics , Design , Geometry , Turbines , Condensers (steam plant) , Diffusers

Three-Dimensional Design Method for Long Blades of Steam Turbines Using Fourth-Degree NURBS Surface

Shigeki Senoo, Koji Ogata, Tateki Nakamura, Naoaki Shibashita

GT 2010; 2149-2158doi:https://doi.org/10.1115/GT2010-22312

Abstract

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Topics: Blades , Design methodology , Steam turbines , Airfoils , Design , Flow (Dynamics) , Chords (Trusses) , Computational fluid dynamics , Engineers , Fittings

Investigations of Influential Factors on the Aerodynamic Performance of a Steam Turbine Exhaust System

Jing-Lun Fu, Jian-Jun Liu

GT 2010; 2159-2169doi:https://doi.org/10.1115/GT2010-22316

Abstract

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Topics: Exhaust systems , Steam turbines

Steam Turbine Design Considerations for Ultrasupercritical Cycles

Justin Zachary

GT 2010; 2171-2179doi:https://doi.org/10.1115/GT2010-22317

Abstract

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Topics: Cycles , Design , Steam turbines , Steam , Carbon , Circuits , Coal , Conceptual design , Energy generation , Optimization

Reduction of Pressure Forces in Turbine Labyrinth Seals

Krzysztof Kosowski, Robert Ste˛pien´

GT 2010; 2181-2197doi:https://doi.org/10.1115/GT2010-22391

Abstract

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Topics: Aerodynamics , Fluid-dynamic forces , Pressure , Rotors , Turbines

Non-Equilibrium Condensation Effects on the Flow Field and the Performance of a Low Pressure Steam Turbine

Jo¨rg Starzmann, Michael Casey, Frank Sieverding

GT 2010; 2199-2208doi:https://doi.org/10.1115/GT2010-22467

Abstract

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Topics: Condensation , Equilibrium (Physics) , Flow (Dynamics) , Pressure , Steam turbines , Steam , Turbines , Computational fluid dynamics , Design , Latent heat

A CFD Approach to Fluid Dynamic Optimum Design of Steam Turbine Stages With Stator and Rotor Blades

Xin Yuan, Tadashi Tanuma, Xiaofeng Zhu, Zhirong Lin, Daisuke Nomura

GT 2010; 2209-2218doi:https://doi.org/10.1115/GT2010-22477

Abstract

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Topics: Blades , Computational fluid dynamics , Design , Fluids , Rotors , Stators , Steam turbines , Optimization , High pressure (Physics) , Leakage

Rotor Dynamic Analysis on Partial Admission Control Stage in a Large Power Steam Turbine

Lin Gao, Yiping Dai

GT 2010; 2219-2225doi:https://doi.org/10.1115/GT2010-22608

Abstract

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Topics: Dynamic analysis , Rotors , Steam turbines , Flow (Dynamics) , Stiffness , Blades , Computational fluid dynamics , Space , Stress , Vibration

The Influence of Cooling Flows on the Operating Conditions of the Ultra-Supercritical Steam Turbine Components

Wojciech Kosman

GT 2010; 2227-2235doi:https://doi.org/10.1115/GT2010-22706

Abstract

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Topics: Cooling , Flow (Dynamics) , Steam turbines , Computer simulation , Temperature , Turbines , Coal , Coolants , Heat transfer , Power stations

Loss Coefficient Dependence of Turbine Blade Cascade

Milan Mateˇjka, Pavel Sˇafarˇi´k, Martin Luxa, David Sˇimurda, Jaroslav Syna´c´

GT 2010; 2237-2244doi:https://doi.org/10.1115/GT2010-22740

Abstract

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Topics: Cascades (Fluid dynamics) , Turbine blades , Blades , Flow (Dynamics) , Kinetic energy , Mach number , Pressure , Rotors , Steam turbines

The Development of Long Last Stage Steam Turbine Blades

Ivan McBean, Said Havakechian, Pierre-Alain Masserey

GT 2010; 2245-2256doi:https://doi.org/10.1115/GT2010-22747

Abstract

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Topics: Blades , Steam turbines , Design , Reliability , Design engineering , Computational fluid dynamics , Drops , Dynamic analysis , Erosion , Finite element analysis

Numerical and Experimental Investigations of Unsteady 3-D Wet-Steam Flows Through Two-Stage Stator-Rotor Cascade Channels

Satoru Yamamoto, Yasuhiro Sasao, Hiroto Kato, Hiroshi Satsuki, Hiroharu Ooyama, Kouichi Ishizaka

GT 2010; 2257-2265doi:https://doi.org/10.1115/GT2010-22796

Abstract

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Rotors , Stators , Steam , Condensed matter , Computation , Condensation , Convection , Finite difference methods

Unsteady Forces Acting on the Rotor Blades and Shaft in the Control Stage for Different Steam Admission Variants

Romuald Rza˛dkowski, Marek Solin´ski

GT 2010; 2267-2275doi:https://doi.org/10.1115/GT2010-22807

Abstract

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Topics: Blades , Rotors , Steam , Excitation , Gas flow , Nozzles , Stators , Steam turbines , Turbines

Fatigue Life Extension of Steam Turbine Alloys Using Low Plasticity Burnishing (LPB)

Paul S. Preve´y, Nayarananan Jayaraman, Ravi Ravindranath

GT 2010; 2277-2287doi:https://doi.org/10.1115/GT2010-22995

Abstract

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Topics: Alloys , Corrosion , Damage , Fatigue , Fatigue life , Plasticity , Steam turbines

Numerical Study on Condensing Flow in Low Pressure Cylinder of a 300MW Steam Turbine

Liang Li, Yu Li, Lianwei Wu, Wei You, Jun Li, Zhenping Feng

GT 2010; 2289-2296doi:https://doi.org/10.1115/GT2010-23021

Abstract

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Topics: Cylinders , Flow (Dynamics) , Pressure , Steam turbines , Equilibrium (Physics) , Steam , Design , Superheating , Nonequilibrium flow , Nucleation (Physics)

A 150 kW Radial Inflow Steam Turbine System for the Bottoming Cycle of Reciprocating Engines

Susumu Nakano, Kuniyoshi Tsubouchi, Hiroyuki Shiraiwa, Kazutaka Hayashi, Hiroyuki Yamada

GT 2010; 2297-2307doi:https://doi.org/10.1115/GT2010-23231

Abstract

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Topics: Cycles , Inflow , Piston engines , Steam turbines , Turbines , Pressure , Rotors , Design , Engines , Bearings

Thermally Sprayed Abradable Coatings in Steam Turbines: Design Integration and Functionality Testing

Dieter Sporer, Scott Wilson, Petr Fiala, Ruediger Schuelein

GT 2010; 2309-2317doi:https://doi.org/10.1115/GT2010-23568

Abstract

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Topics: Coatings , Design , Steam turbines , Testing , Coating processes , Sealing (Process) , Aircraft engines , Emissions , High temperature , High temperature steam

Numerical Study of Internal Flow Fields in Steam Turbine Stages With Balance Holes

Chang Luo, Liming Song, Jun Li, Zhenping Feng, Shouhong Cao, Zhihua Wu, Qilin Wu

GT 2010; 2319-2327doi:https://doi.org/10.1115/GT2010-23704

Abstract

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Topics: Internal flow , Steam turbines , Flow (Dynamics) , Turbines , Cavities , Disks , Reynolds-averaged Navier–Stokes equations , Leakage flows , Thrust , Torque

Analysis of Fluid-Structure Interaction in a Steam Turbine Throttle Valve

Joseph Tecza, Gocha Chochua, Randy Moll

GT 2010; 2329-2338doi:https://doi.org/10.1115/GT2010-23788

Abstract

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Topics: Fluid structure interaction , Steam turbines , Valves

Unsteady Flows in Turbomachinery

Experimental Study of Acoustic Resonances in the Side Cavities of a High-Pressure Centrifugal Compressor Excited by Rotor/Stator Interaction

Nico Petry, Friedrich Karl Benra, Sven Koenig

GT 2010; 2339-2351doi:https://doi.org/10.1115/GT2010-22054

Abstract

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Topics: Acoustics , Cavities , Compressors , High pressure (Physics) , Resonance , Rotors , Stators , Excitation , Fluids , Rotation

Unsteady Tip Leakage Flow Characteristics and Heat Transfer on Turbine Blade Tip and Casing

Md Hamidur Rahman, Sung In Kim, Ibrahim Hassan, Carole El Ayoubi

GT 2010; 2353-2362doi:https://doi.org/10.1115/GT2010-22104

Abstract

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Topics: Heat transfer , Leakage flows , Turbine blades , Rotors , Shock (Mechanics) , Flow (Dynamics) , Simulation , Turbines , Blades , Clearances (Engineering)

3D Unsteady Computation of Stall Inception in Axial Compressors

Baofeng Tu, Jun Hu, Yong Zhao

GT 2010; 2363-2371doi:https://doi.org/10.1115/GT2010-22269

Abstract

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Topics: Compressors , Computation , Stall inception , Blades , Actuators , Disks , Flow (Dynamics) , Computer simulation , Ducts , Aircraft engines

Numerical Simulation of Flow Instabilities in High Speed Multistage Compressors

Huan Zhang, Jun Hu, Baofeng Tu, Zhiqiang Wang

GT 2010; 2373-2382doi:https://doi.org/10.1115/GT2010-22276

Abstract

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Topics: Compressors , Computer simulation , Flow instability , Blades , Disks , Actuators , Ducts , Flow (Dynamics) , Stability , Stall inception

Stability Enhancement by Casing Grooves: The Importance of Stall Inception Mechanism and Solidity

Tim Houghton, Ivor Day

GT 2010; 2383-2391doi:https://doi.org/10.1115/GT2010-22284

Abstract

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Topics: Stability , Stall inception , Compressors , Rotors , Blades , Flow (Dynamics) , Optimization , Weight (Mass)

Mean Line Flow Model of Steady and Pulsating Flow of a Mixed-Flow Turbine Turbocharger

Aman M. I. Bin Mamat, Ricardo F. Martinez-Botas

GT 2010; 2393-2404doi:https://doi.org/10.1115/GT2010-22441

Abstract

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Topics: Flow (Dynamics) , Modeling , Pulsatile flow , Turbines , Turbochargers

Numerical Investigation of the Unsteady Flow Fields in Centrifugal Compressor Diffusers

Ahmed Abdelwahab

GT 2010; 2405-2418doi:https://doi.org/10.1115/GT2010-22489

Abstract

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Topics: Compressors , Diffusers , Unsteady flow , Flow (Dynamics) , Impellers , Wakes , Engineering simulation , Simulation , Vortices , Clearances (Engineering)

PIV Analysis on the Effect of Stator Loading on Transonic Blade-Row Interactions

Scott B. Reynolds, Steven E. Gorrell, Jordi Estevadeordal

GT 2010; 2419-2430doi:https://doi.org/10.1115/GT2010-22576

Abstract

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Topics: Blades , Stators , Rotors , Vortices , Wakes , Shock (Mechanics) , Vortex shedding , Compressors , Diffusion (Physics) , Flow visualization

A New Test Rig for Time-Resolved Pressure Measurements in Rotating Cavities With Pulsed Inflow

Gunar Schroeder, Wieland Uffrecht

GT 2010; 2431-2440doi:https://doi.org/10.1115/GT2010-22596

Abstract

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Topics: Cavities , Fluctuations (Physics) , Inflow , Pressure , Pressure measurement

Unsteady CFD Methods in a Commercial Solver for Turbomachinery Applications

Thomas Biesinger, Christian Cornelius, Christoph Rube, Andre´ Braune, Rubens Campregher, Philippe G. Godin, Gregor Schmid, Laith Zori

GT 2010; 2441-2452doi:https://doi.org/10.1115/GT2010-22762

Abstract

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Topics: Computational fluid dynamics , Turbomachinery , Transients (Dynamics) , Compressors , Engineering simulation , Flow (Dynamics) , Phase shift , Simulation , Stability , Blades

Compressor Performance and Operability in Swirl Distortion

Yogi Sheoran, Bruce Bouldin, P. Murali Krishnan

GT 2010; 2453-2464doi:https://doi.org/10.1115/GT2010-22777

Abstract

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Topics: Compressors , Computational fluid dynamics , Generators , Gas turbines , Geometry , Rotors , Unmanned aerial vehicles , Cycles , Databases , Design

Effect of Inlet Temperature Non-Uniformity on High-Pressure Turbine Performance

Craig I. Smith, Dongil Chang, Stavros Tavoularis

GT 2010; 2465-2476doi:https://doi.org/10.1115/GT2010-22845

Abstract

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Topics: High pressure (Physics) , Temperature nonunifomity , Turbines , Blades , Engineering simulation , Enthalpy , Flow (Dynamics) , Heat , Rotors , Simulation

Flow Field in a Single-Stage Model Air Turbine Rotor-Stator Cavity With Pre-Swirled Purge Flow

D. M. Dunn, D. W. Zhou, K. Saha, K. D. Squires, R. P. Roy, Y. W. Kim, H. K. Moon

GT 2010; 2477-2487doi:https://doi.org/10.1115/GT2010-22869

Abstract

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Topics: Cavities , Flow (Dynamics) , Rotors , Stators , Turbines , Pressure , Blades , Computation , Disks , Reynolds number

Transient Numerical Investigation of Rotor Clocking in 1.5 Stage of an Axial Test Turbine With a Blade-to-Vane Ratio of 1.5

K. Kusterer, N. Moritz, D. Bohn, T. Sugimoto, R. Tanaka

GT 2010; 2489-2498doi:https://doi.org/10.1115/GT2010-22902

Abstract

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Topics: Blades , Machinery , Rotors , Transients (Dynamics) , Turbines , Turbochargers

Unsteady Aerodynamics of a Low Aspect Ratio Turbine Stage: Modeling Issues and Flow Physics

G. Persico, A. Mora, P. Gaetani, M. Savini

GT 2010; 2499-2510doi:https://doi.org/10.1115/GT2010-22927

Abstract

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Topics: Aerodynamics , Flow (Dynamics) , Modeling , Physics , Turbines , Rotors , Vortices , Blades , Stators , Computer simulation

A CFD and Experimental Investigation of Unsteady Wake Effects on a Highly Loaded Low Pressure Turbine Blade at Low Reynolds Number

Darius D. Sanders, Chase A. Nessler, Rolf Sondergaard, Marc D. Polanka, Christopher Marks, Mitch Wolff, Walter F. O’Brien

GT 2010; 2511-2523doi:https://doi.org/10.1115/GT2010-22977

Abstract

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Topics: Computational fluid dynamics , Pressure , Reynolds number , Turbine blades , Wakes , Flow (Dynamics) , Design , Aerodynamic flow , Airfoils , Blades

Experimental and Numerical Study of Steady and Modulated Transverse Jets at Low Blowing Ratios

Guillaume Bidan, Pierre-Emmanuel Bouladoux, Jeremiah E. Oertling, Dimitris E. Nikitopoulos

GT 2010; 2525-2535doi:https://doi.org/10.1115/GT2010-23013

Abstract

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Topics: Jets , Cycles , Steady state , Dynamics (Mechanics) , Electromagnetic scattering , Flat plates , Heat transfer , Large eddy simulation , Radiation scattering , Scattering (Physics)

LES Flow Control Simulations for Highly Loaded Low Pressure Turbine Airfoil (L1A) Using Pulsed Vortex Generator Jets

Mounir B. Ibrahim, Olga Kartuzova, Daniel J. Doucet, Ralph J. Volino

GT 2010; 2537-2551doi:https://doi.org/10.1115/GT2010-23015

Abstract

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Topics: Airfoils , Engineering simulation , Flow control , Generators , Jets , Pressure , Simulation , Turbines , Vortices , Computational fluid dynamics

Numerical Study on Unsteadiness of Tip Clearance Flow Induced by Downstream Stator Row in Axial Compressor

Yoojun Hwang, Shin-Hyoung Kang, Sungryoung Lee

GT 2010; 2553-2560doi:https://doi.org/10.1115/GT2010-23024

Abstract

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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Stators , Leakage flows , Unsteady flow , Blades , Inlet guide vanes , Oscillating frequencies , Vortices

Flow Structures in the Tip Region for a Transonic Compressor Rotor

Feng Lin, Juan Du, Jingyi Chen, Chaoqun Nie, Christoph Biela

GT 2010; 2561-2572doi:https://doi.org/10.1115/GT2010-23025

Proceedings Papers

Turbomachinery

Axial Flow Fan and Compressor Aerodynamics

Design Methods and CFD Modeling for Turbomachinery

Axial Flow Turbine Aerodynamics

Radial Turbomachinery Aerodynamics