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

Topics: Compressibility , Entropy , Reynolds number , Turbulence , Boundary layers , Blades , Boundary layer turbulence , Cascades (Fluid dynamics) , Shear (Mechanics) , Suction

An Experimental and Computational Study of the Formation of a Streamwise Shed Vortex in a Turbine Stage

Graham Pullan, John Denton, Michael Dunkley

GT 2002; 71-79https://doi.org/10.1115/GT2002-30331

Abstract

View Articletitled, An Experimental and Computational Study of the Formation of a Streamwise Shed Vortex in a Turbine Stage

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Topics: Turbines , Vortices , Nozzle guide vanes , Shear (Mechanics) , Blades , Flow (Dynamics) , Stators , Aircraft , Design , Flow visualization

The Effect of Milling Process Induced Coarse Surface Texture on Aerodynamic Turbine Profile Losses

Ulrich G. Harbecke, Walter Riess, Joerg R. Seume

GT 2002; 81-88https://doi.org/10.1115/GT2002-30333

Abstract

View Articletitled, The Effect of Milling Process Induced Coarse Surface Texture on Aerodynamic Turbine Profile Losses

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Topics: Milling , Surface texture , Turbine blades , Turbines , Wind tunnels

Transonic Flow Losses of Two Steam Turbine Blades at Large Incidences

S.-M. Li, T.-L. Chu, Y.-S. Yoo, W. F. Ng

GT 2002; 89-98https://doi.org/10.1115/GT2002-30334

Abstract

View Articletitled, Transonic Flow Losses of Two Steam Turbine Blades at Large Incidences

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Topics: Blades , Cascades (Fluid dynamics) , Steam turbines , Transonic flow

Lateral Forces From Single Gland Rotor Labyrinth Seals in Turbines

Bum Ho Song, Seung Jin Song

GT 2002; 99-109https://doi.org/10.1115/GT2002-30335

Abstract

View Articletitled, Lateral Forces From Single Gland Rotor Labyrinth Seals in Turbines

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Topics: Rotors , Turbines , Flow (Dynamics) , Sealing (Process) , Pressure

Performance Testing of a First and a Second Transonic Turbine Stage

F. Neumayer, H. Jericha, G. Kulhanek, A. Seyr, E. Rossi, W. Sanz

GT 2002; 111-118https://doi.org/10.1115/GT2002-30336

Abstract

View Articletitled, Performance Testing of a First and a Second Transonic Turbine Stage

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Topics: Testing performance , Turbines , Cooling , Cooling systems , Design , High pressure (Physics) , Performance , Pressure , Rotors , Stators

Improving Turbine Efficiency Using Non-Axisymmetric End Walls: Validation in the Multi-Row Environment and With Low Aspect Ratio Blading

N. W. Harvey, G. Brennan, D. A. Newman, M. G. Rose

GT 2002; 119-126https://doi.org/10.1115/GT2002-30337

Abstract

View Articletitled, Improving Turbine Efficiency Using Non-Axisymmetric End Walls: Validation in the Multi-Row Environment and With Low Aspect Ratio Blading

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Topics: Turbines , Design , Airfoils , Blades , Cascades (Fluid dynamics) , Engines , Flow (Dynamics) , High pressure (Physics) , Pressure , Shapes

Unshrouded Rotor Tip Clearance Effects in Expander Cycle Turbines

Lennard Helmers, Jens Klingmann

GT 2002; 127-134https://doi.org/10.1115/GT2002-30338

Abstract

View Articletitled, Unshrouded Rotor Tip Clearance Effects in Expander Cycle Turbines

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Topics: Clearances (Engineering) , Computational fluid dynamics , Cycles , Rotors , Turbines

The Effect of End-Wall Profiling on Secondary Flow and Loss Development in a Turbine Cascade

Grant Ingram, David Gregory-Smith, Martin Rose, Neil Harvey, Graham Brennan

GT 2002; 135-145https://doi.org/10.1115/GT2002-30339

Abstract

View Articletitled, The Effect of End-Wall Profiling on Secondary Flow and Loss Development in a Turbine Cascade

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Blades , Computational fluid dynamics , Design , Vortices

The Effect of Secondary Air Injection on the Performance of a Transonic Turbine Stage

S. Girgis, E. Vlasic, J.-P. Lavoie, S. H. Moustapha

GT 2002; 147-158https://doi.org/10.1115/GT2002-30340

Abstract

View Articletitled, The Effect of Secondary Air Injection on the Performance of a Transonic Turbine Stage

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Topics: Turbines , Disks , Flow (Dynamics) , Rotors , Computational fluid dynamics , Engineering simulation , Geometry , Leakage flows , Simulation , Testing

Experimental Investigation of an Innovative Cooling System (ICS) for High Temperature Transonic Turbine Stages

E. Go¨ttlich, H. Lang, W. Sanz, J. Woisetschla¨ger

GT 2002; 159-167https://doi.org/10.1115/GT2002-30341

Abstract

View Articletitled, Experimental Investigation of an Innovative Cooling System (ICS) for High Temperature Transonic Turbine Stages

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Topics: Cooling systems , High temperature , Turbines , Blades , Cooling , Cascades (Fluid dynamics) , Temperature , Aerodynamic flow , Design , Flow (Dynamics)

The Investigation of Turbine and Exhaust Interactions in Asymmetric Flows: Part 1 — Blade-Row Models Applied

J. J. Liu, T. P. Hynes

GT 2002; 169-177https://doi.org/10.1115/GT2002-30342

Abstract

View Articletitled, The Investigation of Turbine and Exhaust Interactions in Asymmetric Flows: Part 1 — Blade-Row Models Applied

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Topics: Blades , Exhaust systems , Flow (Dynamics) , Turbines , Disks , Actuators , Annulus , Boundary-value problems , Computational fluid dynamics , Entropy

The Investigation of Turbine and Exhaust Interactions in Asymmetric Flows: Part 2 — Turbine-Diffuser-Collector Interactions

J. J. Liu, T. P. Hynes

GT 2002; 179-188https://doi.org/10.1115/GT2002-30343

Abstract

View Articletitled, The Investigation of Turbine and Exhaust Interactions in Asymmetric Flows: Part 2 — Turbine-Diffuser-Collector Interactions

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Topics: Diffusers , Exhaust systems , Flow (Dynamics) , Turbines , Actuators , Computer simulation , Design , Disks , Steam turbines

Aerodynamic Performance Measurements of a Film-Cooled Turbine Stage: Experimental Results

R. C. Keogh, G. R. Guenette, C. M. Spadaccini, T. P. Sommer, S. Florjancic

GT 2002; 189-197https://doi.org/10.1115/GT2002-30344

Abstract

View Articletitled, Aerodynamic Performance Measurements of a Film-Cooled Turbine Stage: Experimental Results

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Topics: Turbines , Film cooling , Temperature , Blades , Coolants , Cycles , Flow (Dynamics) , Gas turbines , Heat , High pressure (Physics)

An Entropic Minimization Technique for Turbine Blade Profiles

Ed Walsh, Mark Davies, Roy Myose

GT 2002; 199-206https://doi.org/10.1115/GT2002-30346

Abstract

View Articletitled, An Entropic Minimization Technique for Turbine Blade Profiles

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Topics: Turbine blades , Boundary layers , Entropy , Blades , Optimization , Separation (Technology) , Diffusion (Physics) , Flow (Dynamics) , Momentum , Polynomials

Experimental Investigation of Turbine Wake Flow by Interferometrically Triggered PIV and LDV Measurements

J. Woisetschla¨ger, N. Mayrhofer, H. Lang, B. Hampel

GT 2002; 207-216https://doi.org/10.1115/GT2002-30347

Abstract

View Articletitled, Experimental Investigation of Turbine Wake Flow by Interferometrically Triggered PIV and LDV Measurements

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Topics: Turbines , Wakes , Cascades (Fluid dynamics) , Density , Fluctuations (Physics) , Turbine blades , Velocity measurement , Vortex shedding , Chords (Trusses) , Filters

Simulation of the Interaction of Labyrinth Seal Leakage Flow and Main Flow in an Axial Turbine

Jan E. Anker, Ju¨rgen F. Mayer

GT 2002; 217-224https://doi.org/10.1115/GT2002-30348

Abstract

View Articletitled, Simulation of the Interaction of Labyrinth Seal Leakage Flow and Main Flow in an Axial Turbine

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Topics: Flow (Dynamics) , Leakage flows , Simulation , Turbines , Clearances (Engineering) , Blades , Rotors , Stators

Investigation of Flow Structures and Losses at the Endwall Sections of the Last Stage Blade

A. V. Granovski, M. K. Kostege

GT 2002; 225-232https://doi.org/10.1115/GT2002-30349

Abstract

View Articletitled, Investigation of Flow Structures and Losses at the Endwall Sections of the Last Stage Blade

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Topics: Blades , Flow (Dynamics) , Design , Chords (Trusses) , Generators , Metals , Shapes , Turbines , Viscous flow

Visualizations of the Unsteady Flow Field Near the Endwall of a Turbine Cascade

Hongwei Ma, Haokang Jiang, Yaxi Qiu

GT 2002; 233-240https://doi.org/10.1115/GT2002-30350

Abstract

View Articletitled, Visualizations of the Unsteady Flow Field Near the Endwall of a Turbine Cascade

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Topics: Cascades (Fluid dynamics) , Turbines , Unsteady flow , Visualization , Vortices , Suction , Flow (Dynamics) , Pressure , Boundary layers , Bubbles

Axisymmetric Endwall Contouring in a Four-Stage Turbine: Comparison of Experimental and Numerical Results

Dieter E. Bohn, Norbert Su¨rken, Qing Yu, Franz Kreitmeier

GT 2002; 241-248https://doi.org/10.1115/GT2002-30351

Abstract

View Articletitled, Axisymmetric Endwall Contouring in a Four-Stage Turbine: Comparison of Experimental and Numerical Results

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Topics: Turbines , Flow (Dynamics) , Machinery , Pressure , Design , Engineering simulation , Flow measurement , Leakage flows , Probes , Simulation

Improving 3D Flow Characteristics in a Multistage LP Turbine by Means of Endwall Contouring and Airfoil Design Modification: Part 1 — Design and Experimental Investigation

S. Eymann, U. Reinmo¨ller, R. Niehuis, W. Fo¨rster, M. Beversdorff, J. Gier

GT 2002; 249-260https://doi.org/10.1115/GT2002-30352

Abstract

View Articletitled, Improving 3D Flow Characteristics in a Multistage LP Turbine by Means of Endwall Contouring and Airfoil Design Modification: Part 1 — Design and Experimental Investigation

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Topics: Airfoils , Design , Flow (Dynamics) , Turbines , Pressure , Aircraft engines , Probes , Circuits , Computer simulation , Lasers

Improving 3D Flow Characteristics in a Multistage LP Turbine by Means of Endwall Contouring and Airfoil Design Modification: Part 2 — Numerical Simulation and Analysis

Jochen Gier, Sabine Ardey, Stefan Eymann, Ulf Reinmo¨ller, Reinhard Niehuis

GT 2002; 261-271https://doi.org/10.1115/GT2002-30353

Abstract

View Articletitled, Improving 3D Flow Characteristics in a Multistage LP Turbine by Means of Endwall Contouring and Airfoil Design Modification: Part 2 — Numerical Simulation and Analysis

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Topics: Airfoils , Computer simulation , Design , Flow (Dynamics) , Turbines , Pressure , Aircraft engines , Flow simulation , Modeling , Navier-Stokes equations

The Effects of Wake-Passing Unsteadiness Over a Highly-Loaded Compressor-Like Flat Plate

Xavier Ottavy, Stephane Vilmin, Maciek Opoka, Howard Hodson, Simon Gallimore

GT 2002; 273-285https://doi.org/10.1115/GT2002-30354

Abstract

View Articletitled, The Effects of Wake-Passing Unsteadiness Over a Highly-Loaded Compressor-Like Flat Plate

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Topics: Compressors , Flat plates , Separation (Technology) , Wakes

Analysis of Rotor-Rotor and Stator-Stator Interferences in Multi-Stage Turbomachines

L. He, T. Chen, R. G. Wells, Y. S. Li, W. Ning

GT 2002; 287-298https://doi.org/10.1115/GT2002-30355

Abstract

View Articletitled, Analysis of Rotor-Rotor and Stator-Stator Interferences in Multi-Stage Turbomachines

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Topics: Rotors , Stators , Turbomachinery , Compressors , Annulus , Blades , Flow (Dynamics) , Shock waves , Subsonic flow , Transonic flow

Evolution of Upstream Propagating Shock Waves From a Transonic Compressor Rotor

Anil Prasad

GT 2002; 299-309https://doi.org/10.1115/GT2002-30356

Abstract

View Articletitled, Evolution of Upstream Propagating Shock Waves From a Transonic Compressor Rotor

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Topics: Compressors , Rotors , Shock waves , Blades , Shock (Mechanics) , Acoustics , Airfoils , Cascades (Fluid dynamics) , Computer simulation , Mach number

Effect of Upstream Unsteady Flow Conditions on Rotor Tip Leakage Flow

Borislav T. Sirakov, Choon S. Tan

GT 2002; 311-321https://doi.org/10.1115/GT2002-30358

Abstract

View Articletitled, Effect of Upstream Unsteady Flow Conditions on Rotor Tip Leakage Flow

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Topics: Leakage flows , Rotors , Unsteady flow , Flow (Dynamics) , Clearances (Engineering) , Leakage , Design , Pressure , Wakes , Blades

Assessing Viscous Body Forces for Unsteady Calculations

L. Xu

GT 2002; 323-331https://doi.org/10.1115/GT2002-30359

Abstract

View Articletitled, Assessing Viscous Body Forces for Unsteady Calculations

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Topics: Annulus , Blades , Drag (Fluid dynamics) , Flow (Dynamics) , Modeling , Turbomachinery , Unsteady flow , Viscous flow

Experimental Investigation of Unsteady Rotor Tip Flows in a High Speed Compressor Throttled to Stall

Feng Lin, Jingyi Chen, Meilin Li

GT 2002; 333-341https://doi.org/10.1115/GT2002-30360

Abstract

View Articletitled, Experimental Investigation of Unsteady Rotor Tip Flows in a High Speed Compressor Throttled to Stall

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Topics: Compressors , Flow (Dynamics) , Rotors , Passive control , Signals , Wavelet transforms , Wavelets , Design , Engineers , High pressure (Physics)

Micro Air Injection and Its Unsteady Response in a Low-Speed Axial Compressor

Chaoqun Nie, Gang Xu, Xiaobin Cheng, Jingyi Chen

GT 2002; 343-352https://doi.org/10.1115/GT2002-30361

Abstract

View Articletitled, Micro Air Injection and Its Unsteady Response in a Low-Speed Axial Compressor

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Topics: Compressors , Flow (Dynamics) , Ejectors , Blades , Clearances (Engineering) , Compression , Delays , Numerical analysis , Signals , Stability

Experimental Study of Rotating Stalls in a Four-Stage Axial Compressor

Y. Levy, J. Pismenny, A. Reissner, W. Riess

GT 2002; 353-362https://doi.org/10.1115/GT2002-30362

Abstract

View Articletitled, Experimental Study of Rotating Stalls in a Four-Stage Axial Compressor

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Topics: Compressors , Rotors , Pressure , Oscillations , Sensors , Rotation , Signals , Spacetime , Stators

Development of New High Load/High Lift Transonic Shrouded HP Gas Turbine Stage Design: A New Approach for Turbomachinery

Brian Haller, James Anderson

GT 2002; 363-370https://doi.org/10.1115/GT2002-30363

Abstract

View Articletitled, Development of New High Load/High Lift Transonic Shrouded HP Gas Turbine Stage Design: A New Approach for Turbomachinery

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Topics: Design , Gas turbines , Stress , Turbomachinery , Flow (Dynamics) , Collaboration , High pressure (Physics) , Rotors , Turbines , Unsteady flow

Unsteady Interaction Between a Transonic Turbine Stage and Downstream Components

Roger L. Davis, Jixian Yao, John P. Clark, Gary Stetson, Juan J. Alonso, Antony Jameson, Charles W. Haldeman, Michael G. Dunn

GT 2002; 371-381https://doi.org/10.1115/GT2002-30364

Abstract

View Articletitled, Unsteady Interaction Between a Transonic Turbine Stage and Downstream Components

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Topics: Turbines , Blades , Pressure , Ducts , High pressure (Physics) , Shock (Mechanics) , Simulation , Computer simulation , Fluctuations (Physics) , Modeling

Investigation of the 3D Unsteady Rotor Pressure Field in a HP Turbine Stage

E. Valenti, J. Halama, R. De´nos, T. Arts

GT 2002; 383-392https://doi.org/10.1115/GT2002-30365

Abstract

View Articletitled, Investigation of the 3D Unsteady Rotor Pressure Field in a HP Turbine Stage

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Topics: Pressure , Rotors , Turbines , Mach number , Flow (Dynamics) , Reynolds number , Arches , Equilibrium (Physics) , Fluctuations (Physics) , Pressure measurement

Simulations of Aeroelasticity in an Annular Cascade Using a Parallel 3-Dimensional Navier-Stokes Solver

Ivan McBean, Feng Liu, Kerry Hourigan, Mark Thompson

GT 2002; 393-400https://doi.org/10.1115/GT2002-30366

Abstract

View Articletitled, Simulations of Aeroelasticity in an Annular Cascade Using a Parallel 3-Dimensional Navier-Stokes Solver

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Topics: Aeroelasticity , Cascades (Fluid dynamics) , Engineering simulation , Simulation , Stability , Turbines , Turbulence , Unsteady flow , Viscous flow

Numerical Investigation of the Wake-Boundary Layer Interaction on a Highly Loaded LP Turbine Cascade Blade

Pasquale Cardamone, Peter Stadtmu¨ller, Leonhard Fottner

GT 2002; 401-409https://doi.org/10.1115/GT2002-30367

Abstract

View Articletitled, Numerical Investigation of the Wake-Boundary Layer Interaction on a Highly Loaded LP Turbine Cascade Blade

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Topics: Blades , Cascades (Fluid dynamics) , Turbines , Wakes , Reynolds number , Separation (Technology) , Boundary layers , Aerodynamics , Bubbles , Computational fluid dynamics

Self-Recirculating Casing Treatment Concept for Enhanced Compressor Performance

Michael D. Hathaway

GT 2002; 411-420https://doi.org/10.1115/GT2002-30368

Abstract

View Articletitled, Self-Recirculating Casing Treatment Concept for Enhanced Compressor Performance

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Topics: Compressors , Flow (Dynamics) , Rotors , Blades , Computational fluid dynamics , Fluids , Stability

Aerodynamic Design and Performance of Aspirated Airfoils

Ali Merchant

GT 2002; 421-431https://doi.org/10.1115/GT2002-30369

Abstract

View Articletitled, Aerodynamic Design and Performance of Aspirated Airfoils

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Topics: Airfoils , Design , Blades , Boundary layers , Cascades (Fluid dynamics) , Compressors , Diffusion (Physics) , Guide vanes , Suction , Turbines

Experimental Investigation of an Aspirated Fan Stage

Brian J. Schuler, Jack L. Kerrebrock, Ali Merchant

GT 2002; 433-444https://doi.org/10.1115/GT2002-30370

Abstract

View Articletitled, Experimental Investigation of an Aspirated Fan Stage

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Topics: Airfoils , Boundary layers , Compressors , Design , Flow (Dynamics) , Pressure , Radial flow , Rotors , Stators , Suction

Development of Secondary Flow Field in a Low Solidity Diffuser in a Transonic Centrifugal Compressor Stage

Duccio Bonaiuti, Andrea Arnone, Chunill Hah, Hiroshi Hayami

GT 2002; 445-454https://doi.org/10.1115/GT2002-30371

Abstract

View Articletitled, Development of Secondary Flow Field in a Low Solidity Diffuser in a Transonic Centrifugal Compressor Stage

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Topics: Compressors , Diffusers , Flow (Dynamics) , Computation , Stall inception

Numerical Study of the Internal Flow Field Characteristics in Mixed Flow Turbines

D. Palfreyman, R. F. Martinez-Botas

GT 2002; 455-472https://doi.org/10.1115/GT2002-30372

Abstract

View Articletitled, Numerical Study of the Internal Flow Field Characteristics in Mixed Flow Turbines

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Topics: Flow (Dynamics) , Internal flow , Turbines , Blades , Computational fluid dynamics , Density , Vortices , Boundary-value problems , Clearances (Engineering) , Geometry

Aerodynamics of a Transonic Centrifugal Compressor Impeller

Seiichi Ibaraki, Tetsuya Matsuo, Hiroshi Kuma, Kunio Sumida, Toru Suita

GT 2002; 473-480https://doi.org/10.1115/GT2002-30374

Abstract

View Articletitled, Aerodynamics of a Transonic Centrifugal Compressor Impeller

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Topics: Aerodynamics , Blades , Boundary layers , Compressor impellers , Compressors , Dimensions , Engines , Flow (Dynamics) , Flow measurement , High pressure (Physics)

The Impact of Volute Versus Collector on Centrifugal Compressor Performance

Y. I. Biba

GT 2002; 481-499https://doi.org/10.1115/GT2002-30375

Abstract

View Articletitled, The Impact of Volute Versus Collector on Centrifugal Compressor Performance

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Topics: Compressors , Computational fluid dynamics , Design , Diffusers , Flow (Dynamics) , Impellers , Internal flow , Three-dimensional models

Effect of Suction Elbow and Inlet Guide Vanes on Flow Field in a Centrifugal Compressor Stage

Michael M. Cui

GT 2002; 501-512https://doi.org/10.1115/GT2002-30376

Abstract

View Articletitled, Effect of Suction Elbow and Inlet Guide Vanes on Flow Field in a Centrifugal Compressor Stage

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Topics: Compressors , Flow (Dynamics) , Inlet guide vanes , Suction , Design , Impellers , Reliability , Computer simulation , Equations of state , Fluids

Radial Impeller Forces Using CFD: Part I — Model Development and Validation

Daniel O. Baun, Ronald D. Flack

GT 2002; 513-520https://doi.org/10.1115/GT2002-30377

Abstract

View Articletitled, Radial Impeller Forces Using CFD: Part I — Model Development and Validation

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Topics: Computational fluid dynamics , Impellers , Model development , Engineering simulation , Pumps , Simulation , Flow (Dynamics) , Fluids , Laser velocimetry , Water

Radial Impeller Forces Using CFD: Part II — A Comparison Between Compressible and Incompressible Flows

Daniel O. Baun, Ronald D. Flack

GT 2002; 521-528https://doi.org/10.1115/GT2002-30378

Abstract

View Articletitled, Radial Impeller Forces Using CFD: Part II — A Comparison Between Compressible and Incompressible Flows

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Topics: Computational fluid dynamics , Flow (Dynamics) , Impellers , Mach number , Fluids , Engineering simulation , Force measurement , Magnetic bearings , Momentum , Pressure

Backward Traveling Rotating Stall Waves in Centrifugal Compressors

Z. S. Spakovsky

GT 2002; 529-543https://doi.org/10.1115/GT2002-30379

Abstract

View Articletitled, Backward Traveling Rotating Stall Waves in Centrifugal Compressors

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Topics: Compressors , Waves , Diffusers , Impellers , Stability , Flow (Dynamics) , NASA , Surges , Clearances (Engineering) , Compression

A Study on Impeller-Diffuser Interaction: Part I — Influence on the Performance

Kai U. Ziegler, Heinz E. Gallus, Reinhard Niehuis

GT 2002; 545-556https://doi.org/10.1115/GT2002-30381

Abstract

View Articletitled, A Study on Impeller-Diffuser Interaction: Part I — Influence on the Performance

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Topics: Diffusers , Impellers , Flow (Dynamics) , Compressors , Computational fluid dynamics , Diffusion (Physics) , Lasers , Pressure , Probes , Velocimeters

A Study on Impeller-Diffuser Interaction: Part II — Detailed Flow Analysis

Kai U. Ziegler, Heinz E. Gallus, Reinhard Niehuis

GT 2002; 557-568https://doi.org/10.1115/GT2002-30382

Abstract

View Articletitled, A Study on Impeller-Diffuser Interaction: Part II — Detailed Flow Analysis

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Topics: Diffusers , Flow (Dynamics) , Impellers , Pressure , Wakes , Compressors , Computational fluid dynamics , Diffusion (Physics) , Fluids , Lasers

Application of an Improved Streamline Curvature Approach to a Modern, Two-Stage Transonic Fan: Comparison With Data and CFD

Keith M. Boyer, Walter F. O’Brien

GT 2002; 569-578https://doi.org/10.1115/GT2002-30383

Abstract

View Articletitled, Application of an Improved Streamline Curvature Approach to a Modern, Two-Stage Transonic Fan: Comparison With Data and CFD

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Topics: Boundary-value problems , Compressors , Computational fluid dynamics , Design , Engines , Flow (Dynamics) , Mach number , Physics , Rotors , Shock (Mechanics)

The Time-Accurate Numerical Simulation of a Centrifugal Compressor

Teemu Turunen-Saaresti, Arttu Reunanen, Jaakko Larjola

GT 2002; 579-585https://doi.org/10.1115/GT2002-30385

Abstract

View Articletitled, The Time-Accurate Numerical Simulation of a Centrifugal Compressor

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Topics: Compressors , Computer simulation , Pressure , Turbulence , Pipes , Design , Diffusers , Flow (Dynamics) , Impellers , Reynolds number

Flow Studies on a Centrifugal Compressor Stage With Low Solidity Diffuser Vanes

Prasad Mukkavilli, G. Rama Raju, A. Dasgupta, G. V. Ramana Murty, K. V. Jagadeshwar Chary

GT 2002; 587-595https://doi.org/10.1115/GT2002-30386

Abstract

View Articletitled, Flow Studies on a Centrifugal Compressor Stage With Low Solidity Diffuser Vanes

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Topics: Compressors , Diffusers , Flow (Dynamics)

Investigation of Off-Design Performance of Vaned Diffusers in Centrifugal Compressors: Part I — A Channel-Wedge Diffuser

JongSik Oh

GT 2002; 597-604https://doi.org/10.1115/GT2002-30387

Abstract

View Articletitled, Investigation of Off-Design Performance of Vaned Diffusers in Centrifugal Compressors: Part I — A Channel-Wedge Diffuser

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Topics: Compressors , Design , Diffusers , Wedges , Computational fluid dynamics , Surges

Investigation of Off-Design Performance of Vaned Diffusers in Centrifugal Compressors: Part II — A Low-Solidity Cascade Diffuser

Jong-Sik Oh

GT 2002; 605-612https://doi.org/10.1115/GT2002-30388

Abstract

View Articletitled, Investigation of Off-Design Performance of Vaned Diffusers in Centrifugal Compressors: Part II — A Low-Solidity Cascade Diffuser

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Topics: Cascades (Fluid dynamics) , Compressors , Design , Diffusers , Flanges , Flow (Dynamics) , Computational fluid dynamics

Experimental Investigation and Characterization of the Rotating Stall in a High Pressure Centrifugal Compressor: Part I — Influence of Diffuser Geometry on Stall Inception

G. Ferrara, L. Ferrari, C. P. Mengoni, M. De Lucia, L. Baldassarre

GT 2002; 613-620https://doi.org/10.1115/GT2002-30389

Abstract

View Articletitled, Experimental Investigation and Characterization of the Rotating Stall in a High Pressure Centrifugal Compressor: Part I — Influence of Diffuser Geometry on Stall Inception

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Topics: Compressors , Diffusers , Geometry , High pressure (Physics) , Stall inception , Flow (Dynamics) , Impellers , Blades , Diffusion (Physics) , Machinery

Experimental Investigation and Characterization of the Rotating Stall in a High Pressure Centrifugal Compressor: Part II — Influence of Diffuser Geometry on Stage Performance

G. Ferrara, L. Ferrari, C. P. Mengoni, M. De Lucia, L. Baldassarre

GT 2002; 621-628https://doi.org/10.1115/GT2002-30390

Abstract

View Articletitled, Experimental Investigation and Characterization of the Rotating Stall in a High Pressure Centrifugal Compressor: Part II — Influence of Diffuser Geometry on Stage Performance

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Topics: Compressors , Diffusers , Geometry , High pressure (Physics) , Impellers , Stability , Diffusion (Physics) , Flow (Dynamics) , Pinch effect , Shapes

The Use of Artificial Neural Networks for Performance Prediction of Return Channels for Industrial Centrifugal Compressors

Simone Pazzi, Francesci Martelli, Vittorio Michelassi, Marco Giachi

GT 2002; 629-637https://doi.org/10.1115/GT2002-30392

Abstract

View Articletitled, The Use of Artificial Neural Networks for Performance Prediction of Return Channels for Industrial Centrifugal Compressors

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Topics: Artificial neural networks , Compressors , Geometry , Computation , Design , Flow (Dynamics) , Impellers , Optimization , Trains

CFD Applications to Industrial Centrifugal Compressor Design

Andrea Arnone, Duccio Bonaiuti, Paolo Boncinelli, Mirco Ermini, Alberto Milani, Leonardo Baldassarre, Massimo Camatti

GT 2002; 639-648https://doi.org/10.1115/GT2002-30393

Abstract

View Articletitled, CFD Applications to Industrial Centrifugal Compressor Design

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Topics: Compressors , Computational fluid dynamics , Design , Impellers , Flow (Dynamics) , Computation , Engineering design processes , Geometry

Investigations of the Flow Through a High Pressure Ratio Centrifugal Impeller

Gernot Eisenlohr, Hartmut Krain, Franz-Arno Richter, Valentin Tiede

GT 2002; 649-657https://doi.org/10.1115/GT2002-30394

Abstract

View Articletitled, Investigations of the Flow Through a High Pressure Ratio Centrifugal Impeller

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Topics: Flow (Dynamics) , High pressure (Physics) , Impellers , Blades , Design , Flow separation , Compressors , Geometry , Industrial research , Lasers

Effects of Co- and Counter-Rotating Inlet Distortions on a 5-Stage HP-Compressor

Thomas Peters, Leonhard Fottner

GT 2002; 659-666https://doi.org/10.1115/GT2002-30395

Abstract

View Articletitled, Effects of Co- and Counter-Rotating Inlet Distortions on a 5-Stage HP-Compressor

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Topics: Compressors , Surges , Aircraft engines , Design , Disks , Ducts , Engines , Excitation , Flow (Dynamics) , Flow instability

Towards a Reduction of Compressor Blade Dynamic Loading by Means of Rotor-Stator Interaction Optimization

Ernesto Benini, Andrea Toffolo

GT 2002; 667-674https://doi.org/10.1115/GT2002-30396

Abstract

View Articletitled, Towards a Reduction of Compressor Blade Dynamic Loading by Means of Rotor-Stator Interaction Optimization

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Topics: Blades , Compressors , Dynamic testing (Materials) , Optimization , Rotors , Stators , Cascades (Fluid dynamics) , Computational fluid dynamics , Evolutionary algorithms

Experimental Investigations Into Pressure Field in Tip Clearance of Shrouded Rotor Blades

Krzysztof Kosowski, Marian Piwowarski

GT 2002; 675-683https://doi.org/10.1115/GT2002-30397

Abstract

View Articletitled, Experimental Investigations Into Pressure Field in Tip Clearance of Shrouded Rotor Blades

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Topics: Blades , Clearances (Engineering) , Pressure , Rotors , Turbines , Stators , Ducts , Flow (Dynamics) , Impulse (Physics) , Leakage flows

Validation of a Three-Dimensional Linearized Euler Analysis for Classical Wake/Stator Interactions

Dilip Prasad, Joseph M. Verdon

GT 2002; 685-696https://doi.org/10.1115/GT2002-30400

Abstract

View Articletitled, Validation of a Three-Dimensional Linearized Euler Analysis for Classical Wake/Stator Interactions

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Topics: Stators , Wakes , Blades , Pressure , Flow (Dynamics) , Rotors , Acoustics , Aerodynamic noise , Annulus , Excitation

A Design Method for the Profiling of End Walls in Turbines

Jonathan Hartland, David Gregory-Smith

GT 2002; 697-704https://doi.org/10.1115/GT2002-30433

Abstract

View Articletitled, A Design Method for the Profiling of End Walls in Turbines

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Topics: Design methodology , Turbines , Blades , Flow (Dynamics) , Kinetic energy , Computational fluid dynamics , Cascades (Fluid dynamics) , Design , Pressure gradient , Testing

Aerodynamic Performance and Turbulence Measurements in a Turbine Vane Cascade

R. J. Boyle, B. L. Lucci, R. G. Senyitko

GT 2002; 705-714https://doi.org/10.1115/GT2002-30434

Abstract

View Articletitled, Aerodynamic Performance and Turbulence Measurements in a Turbine Vane Cascade

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Topics: Cascades (Fluid dynamics) , Turbines , Turbulence , Aerodynamics , Blades , Mach number

Wake, Shock and Potential Field Interactions in a 1.5 Stage Turbine: Part I — Vane-Rotor and Rotor-Vane Interaction

R. J. Miller, R. W. Moss, R. W. Ainsworth, N. W. Harvey

GT 2002; 715-723https://doi.org/10.1115/GT2002-30435

Abstract

View Articletitled, Wake, Shock and Potential Field Interactions in a 1.5 Stage Turbine: Part I — Vane-Rotor and Rotor-Vane Interaction

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Topics: Rotors , Shock (Mechanics) , Turbine components , Wakes , Blades , Pressure , High pressure (Physics) , Design , Ducts , Computation

Wake, Shock and Potential Field Interactions in a 1.5 Stage Turbine: Part II — Vane-Vane Interaction and Discussion of Results

R. J. Miller, R. W. Moss, R. W. Ainsworth, N. W. Harvey

GT 2002; 725-734https://doi.org/10.1115/GT2002-30436

Abstract

View Articletitled, Wake, Shock and Potential Field Interactions in a 1.5 Stage Turbine: Part II — Vane-Vane Interaction and Discussion of Results

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Topics: Shock (Mechanics) , Turbine components , Wakes , Rotors , Blades , High pressure (Physics) , Ducts , Pressure , Computation , Diffusers

The Tip and Hub Leakage Flow of a Repeated Two Stage Compressor

Songtao Wang, Zhongqi Wang

GT 2002; 735-742https://doi.org/10.1115/GT2002-30437

Abstract

View Articletitled, The Tip and Hub Leakage Flow of a Repeated Two Stage Compressor

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Topics: Compressors , Leakage flows , Vortices , Leakage , Design , Blades , Flow (Dynamics) , Chords (Trusses) , Computer simulation , Pressure gradient

Effects of Riblets on the Loss Behavior of a Highly Loaded Compressor Cascade

Matthias Boese, Leonhard Fottner

GT 2002; 743-750https://doi.org/10.1115/GT2002-30438

Abstract

View Articletitled, Effects of Riblets on the Loss Behavior of a Highly Loaded Compressor Cascade

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Topics: Cascades (Fluid dynamics) , Compressors , Pressure , Boundary layers , Flow (Dynamics) , Blades , Airfoils , Boundary layer turbulence , Chords (Trusses) , Design

Time Resolved Measurements in an Annular Compressor Cascade With High Aerodynamic Loading

Jo¨rg Weidenfeller, Martin Lawerenz

GT 2002; 751-758https://doi.org/10.1115/GT2002-30439

Abstract

View Articletitled, Time Resolved Measurements in an Annular Compressor Cascade With High Aerodynamic Loading

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Topics: Cascades (Fluid dynamics) , Compressors , Acoustics , Blades , Boundary layers , Design , Pipes , Pressure sensors , Unsteady flow , Vortices

Influence of Endwall Contouring on the Transonic Flow in a Compressor Blade

M. Hoeger, P. Cardamone, L. Fottner

GT 2002; 759-768https://doi.org/10.1115/GT2002-30440

Abstract

View Articletitled, Influence of Endwall Contouring on the Transonic Flow in a Compressor Blade

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Topics: Blades , Compressors , Transonic flow , Flow (Dynamics) , Shock (Mechanics) , Mach number , Cascades (Fluid dynamics) , Rotors , Shapes , Boundary layers

Low Speed Studies of Sweep and Dihedral Effects on Compressor Cascades

Bhaskar Roy, P. A. Laxmiprasanna, Vishal Borikar, Amit Batra

GT 2002; 769-781https://doi.org/10.1115/GT2002-30441

Abstract

View Articletitled, Low Speed Studies of Sweep and Dihedral Effects on Compressor Cascades

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Topics: Blades , Cascades (Fluid dynamics) , Compressors , Design , Diffusion (Physics) , Flow (Dynamics)

Influencing the Secondary Losses in Compressor Cascades by a Leading Edge Bulb Modification at the Endwall

R. Mu¨ller, H. Sauer, K. Vogeler, M. Hoeger

GT 2002; 783-791https://doi.org/10.1115/GT2002-30442

Abstract

View Articletitled, Influencing the Secondary Losses in Compressor Cascades by a Leading Edge Bulb Modification at the Endwall

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Topics: Compressors , Vortices , Blades , Suction , Turbines , Boundary layers , Cascades (Fluid dynamics) , Pressure measurement , Rotors , Wind tunnels

Axial-Flow Compressor Model Based on a Cascade Stacking Technique and Neural Networks

Ernesto Benini, Andrea Toffolo

GT 2002; 793-801https://doi.org/10.1115/GT2002-30443

Abstract

View Articletitled, Axial-Flow Compressor Model Based on a Cascade Stacking Technique and Neural Networks

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Topics: Artificial neural networks , Axial flow , Cascades (Fluid dynamics) , Compressors , Flow (Dynamics) , Geometry , Computational fluid dynamics , Databases , Design , Engineering simulation

An Improved Streamline Curvature Approach for Off-Design Analysis of Transonic Axial Compression Systems

Keith M. Boyer, Walter F. O’Brien

GT 2002; 803-811https://doi.org/10.1115/GT2002-30444

Abstract

View Articletitled, An Improved Streamline Curvature Approach for Off-Design Analysis of Transonic Axial Compression Systems

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Topics: Compression , Design , Shock (Mechanics) , Geometry , Accounting , Blades , Compressors , Flow (Dynamics) , Flow turning , Mach number

Aerodynamic Design Optimization of an Axial Flow Compressor Rotor

Chan-Sol Ahn, Kwang-Yong Kim

GT 2002; 813-819https://doi.org/10.1115/GT2002-30445

Abstract

View Articletitled, Aerodynamic Design Optimization of an Axial Flow Compressor Rotor

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Topics: Axial flow , Design , Optimization , Rotors , Blades , Response surface methodology , Compressors , Flow (Dynamics) , Linear programming , NASA

A Combustion Test Facility for Testing Low NO_x Combustion Systems

Difei Wang, Vivek Sahai, Dah Yu Cheng

GT 2002; 821-827https://doi.org/10.1115/GT2002-30446

Abstract

View Articletitled, A Combustion Test Facility for Testing Low NO<sub>x</sub> Combustion Systems

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Topics: Combustion , Combustion systems , Nitrogen oxides , Test facilities , Testing , Temperature , Gas turbines , Steam , Atmospheric pressure , Flames

Measurements of the Effects of Periodic Inflow Unsteadiness on the Aerodynamics of a Fishtail Diffuser

M. I. Yaras, P. Orsi

GT 2002; 829-840https://doi.org/10.1115/GT2002-30455

Abstract

View Articletitled, Measurements of the Effects of Periodic Inflow Unsteadiness on the Aerodynamics of a Fishtail Diffuser

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Topics: Aerodynamics , Diffusers , Inflow , Flow (Dynamics) , Compressor impellers , Design , Gas turbines , Computational fluid dynamics , Engines , Generators

One-Dimensional Unsteady Modeling of the Flow-Field in a Short Duration Facility

G. Frati, R. De´nos

GT 2002; 841-850https://doi.org/10.1115/GT2002-30456

Abstract

View Articletitled, One-Dimensional Unsteady Modeling of the Flow-Field in a Short Duration Facility

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Topics: Flow (Dynamics) , Modeling , Pressure , Oscillations , Heat losses , Transients (Dynamics) , Valves , Momentum , Nozzles , Shock tubes

Unsteady Flow Simulations of a Transonic Nozzle and Cascade for a Time-Dependent Boundary Flow

Erdal Turkbeyler

GT 2002; 851-859https://doi.org/10.1115/GT2002-30457

Abstract

View Articletitled, Unsteady Flow Simulations of a Transonic Nozzle and Cascade for a Time-Dependent Boundary Flow

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Topics: Cascades (Fluid dynamics) , Engineering simulation , Flow (Dynamics) , Nozzles , Simulation , Unsteady flow , Shock waves , Blades , Fluctuations (Physics) , Compressible flow

Component Tests With a Model V84.3A Gas Turbine in the Siemens Test Facility in Berlin

Christof Lechner, Bernward Mertens, Dieter Warnack, Dirk Weltersbach, Herwart Ho¨nen

GT 2002; 861-869https://doi.org/10.1115/GT2002-30490

Abstract

View Articletitled, Component Tests With a Model V84.3A Gas Turbine in the Siemens Test Facility in Berlin

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Topics: Gas turbines , Test facilities , Flow (Dynamics) , Surges , Compressors , Databases , Diffusers , Ducts , Engineering prototypes , Manufacturing

Swirl and Tip Leakage Flow Interaction With Struts in Axial Diffusers

H.-U. Fleige, W. Riess, J. Seume

GT 2002; 871-878https://doi.org/10.1115/GT2002-30491

Abstract

View Articletitled, Swirl and Tip Leakage Flow Interaction With Struts in Axial Diffusers

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Topics: Diffusers , Leakage flows , Struts (Engineering)

Aerodynamic Optimisation of an Aeroengine Bypass Duct OGV-Pylon Configuration

Thomas Tschirner, Michael Pfitzner, Ru¨diger Merz

GT 2002; 879-888https://doi.org/10.1115/GT2002-30493

Abstract

View Articletitled, Aerodynamic Optimisation of an Aeroengine Bypass Duct OGV-Pylon Configuration

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Topics: Ducts , Optimization , Pressure , Engines , Weight (Mass) , Aircraft , Aircraft engines , Computational fluid dynamics , Design , Fuel consumption

Stator-Rotor Interactions in a Transonic Compressor: Part 1 — Effect of Blade-Row Spacing on Performance

Steven E. Gorrell, Theodore H. Okiishi, William W. Copenhaver

GT 2002; 889-899https://doi.org/10.1115/GT2002-30494

Abstract

View Articletitled, Stator-Rotor Interactions in a Transonic Compressor: Part 1 — Effect of Blade-Row Spacing on Performance

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

Stator-Rotor Interactions in a Transonic Compressor: Part 2 — Description of a Loss Producing Mechanism

Steven E. Gorrell, Theodore H. Okiishi, William W. Copenhaver

GT 2002; 901-913https://doi.org/10.1115/GT2002-30495

Abstract

View Articletitled, Stator-Rotor Interactions in a Transonic Compressor: Part 2 — Description of a Loss Producing Mechanism

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Topics: Compressors , Rotors , Stators , Blades , Flow (Dynamics) , Pressure , Shock (Mechanics) , Waves , Engineering simulation , Entropy

Flow Physics and Vortex Evolution in Annular Turbine Cascades

M. Treiber, R. S. Abhari, M. Sell

GT 2002; 915-925https://doi.org/10.1115/GT2002-30540

Abstract

View Articletitled, Flow Physics and Vortex Evolution in Annular Turbine Cascades

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Topics: Flow (Dynamics) , Physics , Turbines , Vortices , Cascades (Fluid dynamics) , Vorticity , Blades , Boundary layers , Design , Mach number

A Turbomachinery Blade Design and Optimization Procedure

C. Xu, R. S. Amano

GT 2002; 927-935https://doi.org/10.1115/GT2002-30541

Abstract

View Articletitled, A Turbomachinery Blade Design and Optimization Procedure

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Topics: Blades , Design , Optimization , Turbomachinery , Compressors , Turbines , Flow (Dynamics) , Airfoils , Combustion , Design methodology

Low Pressure Turbine Lapse Rate Study: CFD Model vs. Rig Data

J.-S. Liu, M. L. Celestina, G. B. Heitland, D. B. Bush, M. L. Mansour, J. J. Adamczyk

GT 2002; 937-945https://doi.org/10.1115/GT2002-30542

Abstract

View Articletitled, Low Pressure Turbine Lapse Rate Study: CFD Model vs. Rig Data

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Topics: Computational fluid dynamics , Pressure , Turbines , Reynolds number , Blades , Flow (Dynamics) , Aircraft engines , Airfoils , Boundary layers , Design

Semi-Unstructured Grid Methods for Turbomachinery Applications

J. Contreras, R. Corral, J. Fernandez-Castan˜eda, G. Pastor, C. Vasco

GT 2002; 947-955https://doi.org/10.1115/GT2002-30572

Abstract

View Articletitled, Semi-Unstructured Grid Methods for Turbomachinery Applications

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Topics: Blades , Design , Mesh generation , Turbomachinery

Blade Row Interaction in a High Pressure Steam Turbine

V. S. P. Chaluvadi, A. I. Kalfas, H. P. Hodson, H. Ohyama, E. Watanabe

GT 2002; 957-968https://doi.org/10.1115/GT2002-30574

Abstract

View Articletitled, Blade Row Interaction in a High Pressure Steam Turbine

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Topics: Blades , High pressure (Physics) , Steam turbines , Flow (Dynamics) , Computer simulation , Engineering simulation , Rotors , Simulation , Stators , Axial flow

Blade Row Interaction Effects on the Performance of a Moderately Loaded NASA Transonic Compressor Stage

Dale E. Van Zante, Wai-Ming To, Jen-Ping Chen

GT 2002; 969-980https://doi.org/10.1115/GT2002-30575

Abstract

View Articletitled, Blade Row Interaction Effects on the Performance of a Moderately Loaded NASA Transonic Compressor Stage

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Topics: Blades , Compressors , NASA , Rotors , Stators , Design , Engineering simulation , Lasers , Pressure , Simulation

Improving the Aero-Thermal Characteristics of Turbomachinery Cascades

Marcello Manna, Raffaele Tuccillo

GT 2002; 981-993https://doi.org/10.1115/GT2002-30596

Abstract

View Articletitled, Improving the Aero-Thermal Characteristics of Turbomachinery Cascades

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Topics: Turbomachinery , Blades , Design , Stress , Composite materials , Nozzle guide vanes , Optimization , Polynomials , Pressure , Shapes

CFD Analysis of Industrial Gas Turbine Exhaust Diffusers

V. Vassiliev, S. Irmisch, S. Florjancic

GT 2002; 995-1013https://doi.org/10.1115/GT2002-30597

Abstract

View Articletitled, CFD Analysis of Industrial Gas Turbine Exhaust Diffusers

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Topics: Computational fluid dynamics , Diffusers , Exhaust systems , Industrial gases , Turbines , Turbulence , Boundary-value problems , Flow (Dynamics) , Modeling , Simulation

Effects of Flow Injection From Outer Casing Upon Turbine Nozzle Vane Flow Field

K. Funazaki, C. F. F. Favaretto, T. Tanuma

GT 2002; 1015-1025https://doi.org/10.1115/GT2002-30598

Abstract

View Articletitled, Effects of Flow Injection From Outer Casing Upon Turbine Nozzle Vane Flow Field

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Topics: Flow (Dynamics) , Nozzles , Turbines , Blades , Computer simulation , Design , Energy dissipation

Numerical Investigation of Anisotropic Turbulence Effects Around a Film Cooled Turbine Vane

Dieter E. Bohn, Christian Tu¨mmers

GT 2002; 1027-1034https://doi.org/10.1115/GT2002-30599

Abstract

View Articletitled, Numerical Investigation of Anisotropic Turbulence Effects Around a Film Cooled Turbine Vane

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Topics: Anisotropy , Turbines , Turbulence , Flow (Dynamics) , Algebra , Cooling , Eddies (Fluid dynamics) , Viscosity , Boundary-value problems , Coolants

Numerical Investigation of the Effect of Ash Particle Deposition on the Flow Field Through Turbine Cascades

Hesham El-Batsh, Hermann Haselbacher

GT 2002; 1035-1043https://doi.org/10.1115/GT2002-30600

Abstract

View Articletitled, Numerical Investigation of the Effect of Ash Particle Deposition on the Flow Field Through Turbine Cascades

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Topics: Flow (Dynamics) , Particulate matter , Turbines , Blades , Compressible flow , Gas turbines , Pressure , Turbine blades , Turbulence

Simulation of Rotor/Stator Interaction With a 4D Finite Volume Method

Bjo¨rn Laumert, Hans Ma˚rtensson, Torsten H. Fransson

GT 2002; 1045-1054https://doi.org/10.1115/GT2002-30601

Abstract

View Articletitled, Simulation of Rotor/Stator Interaction With a 4D Finite Volume Method

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Topics: Finite volume methods , Rotors , Simulation , Stators , Pressure , Blades , Boundary-value problems , Computation , Geometry , Turbines

Reducing Low-Pressure Turbine Stage Blade Count Using Vortex Generator Jet Separation Control

Rolf Sondergaard, Jeffrey P. Bons, Matthew Sucher, Richard B. Rivir

GT 2002; 1055-1061https://doi.org/10.1115/GT2002-30602

Abstract

View Articletitled, Reducing Low-Pressure Turbine Stage Blade Count Using Vortex Generator Jet Separation Control

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Topics: Blades , Generators , Pressure , Separation (Technology) , Turbines , Vortices , Boundary layers , Cascades (Fluid dynamics) , Chords (Trusses) , Design

Acoustically-Induced Structural Fatigue of Impeller Discs: A Brief Note

Frantisek L. Eisinger, Robert E. Sullivan

GT 2002; 1063-1069https://doi.org/10.1115/GT2002-30604

Abstract

View Articletitled, Acoustically-Induced Structural Fatigue of Impeller Discs: A Brief Note

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Topics: Acoustics , Disks , Fatigue , Impellers , Waves , Dynamic testing (Materials) , Failure , Fatigue failure , Machinery , Separation (Technology)

A Novel Two Dimensional Viscous Inverse Design Method for Turbomachinery Blading

L. de Vito, R. A. Van den Braembussche, H. Deconinck

GT 2002; 1071-1080https://doi.org/10.1115/GT2002-30617

Abstract

View Articletitled, A Novel Two Dimensional Viscous Inverse Design Method for Turbomachinery Blading

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Topics: Design methodology , Turbomachinery , Design , Pressure , Blades , Chords (Trusses) , Flow (Dynamics) , Nozzles , Oscillations , Outflow

Accelerating Turbomachinery Design

Jerome P. Jarrett, William N. Dawes, P. John Clarkson

GT 2002; 1081-1088https://doi.org/10.1115/GT2002-30618

Abstract

View Articletitled, Accelerating Turbomachinery Design

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Topics: Design , Turbomachinery , Compressors , Computational fluid dynamics , Engineering standards , High pressure (Physics) , Process management (Business automation) , Profitability , Steam turbines

Analysis and Optimization of Transonic Centrifugal Compressor Impellers Using the Design of Experiments Technique

Duccio Bonaiuti, Andrea Arnone, Mirco Ermini, Leonardo Baldassarre

GT 2002; 1089-1098https://doi.org/10.1115/GT2002-30619

Abstract

View Articletitled, Analysis and Optimization of Transonic Centrifugal Compressor Impellers Using the Design of Experiments Technique

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Topics: Compressor impellers , Experimental design , Optimization , Design , Impellers , Manufacturing , Blades , Equipment performance , Fluids , Geometry

Development of an (Adaptive) Unstructured 2-D Inverse Design Method for Turbomachinery Blades

Benjamin M. F. Choo, Mehrdad Zangeneh

GT 2002; 1099-1110https://doi.org/10.1115/GT2002-30620

Abstract

View Articletitled, Development of an (Adaptive) Unstructured 2-D Inverse Design Method for Turbomachinery Blades

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Topics: Blades , Design methodology , Turbomachinery , Design , Geometry , Pressure , Flow (Dynamics) , Rotors , Shock waves , Springs

Improving a Vaned Diffuser for a Given Centrifugal Impeller by 3D Inverse Design

Mehrdad Zangeneh, Damian Vogt, Christian Roduner

GT 2002; 1111-1122https://doi.org/10.1115/GT2002-30621

Abstract

View Articletitled, Improving a Vaned Diffuser for a Given Centrifugal Impeller by 3D Inverse Design

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Topics: Design , Diffusers , Impellers , Flow (Dynamics) , Geometry , Blades , Compressors , Testing , Viscous flow

Effects of the Inlet Flow Conditions on the Tip Clearance Flow of an Isolated Compressor Rotor

Holger Brandt, Leonhard Fottner, Horst Saathoff, Udo Stark

GT 2002; 1123-1132https://doi.org/10.1115/GT2002-30639

Abstract

View Articletitled, Effects of the Inlet Flow Conditions on the Tip Clearance Flow of an Isolated Compressor Rotor

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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Rotors , Boundary layers , Inflow , Cascades (Fluid dynamics) , Leakage flows , Engineering simulation , Separation (Technology)

The Experimental Researches on Improving Operating Stability of a Single Stage Transonic Fan

Qing Yu, Qiushi Li, Ling Li

GT 2002; 1133-1139https://doi.org/10.1115/GT2002-30640

Abstract

View Articletitled, The Experimental Researches on Improving Operating Stability of a Single Stage Transonic Fan

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Topics: Stability , Compressors , Flow (Dynamics) , Boundary layers , Rotors , Aircraft engines , Blades , Design , Leakage flows , Pressure

Application of Casing Circumferential Grooves for Improved Stall Margin in a Transonic Axial Compressor

D. C. Rabe, C. Hah

GT 2002; 1141-1153https://doi.org/10.1115/GT2002-30641

Abstract

View Articletitled, Application of Casing Circumferential Grooves for Improved Stall Margin in a Transonic Axial Compressor

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Topics: Compressors , Flow (Dynamics) , Boundary layers , Pressure , Steady state

A Numerical Investigation of the Influence of Casing Treatments on the Tip Leakage Flow in a HPC Front Stage

I. Wilke, H.-P. Kau

GT 2002; 1155-1165https://doi.org/10.1115/GT2002-30642

Abstract

View Articletitled, A Numerical Investigation of the Influence of Casing Treatments on the Tip Leakage Flow in a HPC Front Stage

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Topics: Leakage flows , Vortices , Pressure , High pressure (Physics) , Leakage , Blades , Rotors , Surges , Compressors , Computer simulation

3-D Digital PIV Measurements of the Tip Clearance Flow in an Axial Compressor

Mark P. Wernet, Dale Van Zante, Tony J. Strazisar, W. Trevor John, P. Susan Prahst

GT 2002; 1167-1179https://doi.org/10.1115/GT2002-30643

Abstract

View Articletitled, 3-D Digital PIV Measurements of the Tip Clearance Flow in an Axial Compressor

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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Rotors , Vortices , Blades , Simulation , Design , NASA , Particulate matter

Numerical Simulation of the Axial Fan Performance Degradation Due to Sand Ingestion

A. Ghenaiet, S. C. Tan, R. L. Elder

GT 2002; 1181-1190https://doi.org/10.1115/GT2002-30644

Abstract

View Articletitled, Numerical Simulation of the Axial Fan Performance Degradation Due to Sand Ingestion

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Topics: Computer simulation , Sands , Blades , Erosion , Particulate matter , Pressure , Aluminum alloys , Chords (Trusses) , Clearances (Engineering) , Damage

Using Gurney Flaps to Control Laminar Separation on Linear Cascade Blades

Aaron R. Byerley, Oliver Sto¨rmer, James W. Baughn, Terrence W. Simon, Kenneth W. Van Treuren, Jo¨rg List

GT 2002; 1191-1199https://doi.org/10.1115/GT2002-30662

Abstract

View Articletitled, Using Gurney Flaps to Control Laminar Separation on Linear Cascade Blades

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Topics: Blades , Cascades (Fluid dynamics) , Separation (Technology) , Reynolds number , Bubbles , Pressure , Chords (Trusses) , Flow (Dynamics) , Suction , Flow control

Experimental Investigation of Unsteady Flow Field Within a Two Stage Axial Turbomachine Using Particle Image Velocimetry

Oguz Uzol, Yi-Chih Chow, Joseph Katz, Charles Meneveau

GT 2002; 1201-1214https://doi.org/10.1115/GT2002-30664

Abstract

View Articletitled, Experimental Investigation of Unsteady Flow Field Within a Two Stage Axial Turbomachine Using Particle Image Velocimetry

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Topics: Particulate matter , Turbomachinery , Unsteady flow , Wakes , Rotors , Blades , Flow (Dynamics) , Stators , Turbulence , Kinetic energy

Flow Non-Uniformities and Turbulent “Hot Spots” Due to Wake-Blade and Wake-Wake Interactions in a Multistage Turbomachine

Yi-Chih Chow, Oguz Uzol, Joseph Katz

GT 2002; 1215-1227https://doi.org/10.1115/GT2002-30667

Abstract

View Articletitled, Flow Non-Uniformities and Turbulent “Hot Spots” Due to Wake-Blade and Wake-Wake Interactions in a Multistage Turbomachine

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Topics: Blades , Flow (Dynamics) , Turbomachinery , Turbulence , Wakes , Rotors , Stators , Vorticity , Pressure , Shear stress

Computational Modeling of Vortex Generators for Turbomachinery

R. V. Chima

GT 2002; 1229-1238https://doi.org/10.1115/GT2002-30677

Abstract

View Articletitled, Computational Modeling of Vortex Generators for Turbomachinery

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Topics: Computer simulation , Generators , Turbomachinery , Vortices , Stators , Compressors , Rotors , Engines , Flow (Dynamics) , NASA

Orthogonal Shape Functions and Progressive Optimization for the Design of 2D Transonic Cascades

L. A. Catalano, A. Dadone

GT 2002; 1239-1247https://doi.org/10.1115/GT2002-30678

Abstract

View Articletitled, Orthogonal Shape Functions and Progressive Optimization for the Design of 2D Transonic Cascades

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Topics: Design , Optimization , Shapes , Flow (Dynamics) , Blades , Transonic flow , Computation , Shock (Mechanics) , Turbine blades , Turbomachinery

An Improved Turbulence Closure Model Using Cabot’s Near-Wall Function

H. Y. Tan, E. Y. K. Ng, H. N. Lim, D. Choi

GT 2002; 1249-1255https://doi.org/10.1115/GT2002-30679

Abstract

View Articletitled, An Improved Turbulence Closure Model Using Cabot’s Near-Wall Function

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Topics: Turbulence , Large eddy simulation , Storage

Application of Reduced-Order Aerodynamic Modeling to the Analysis of Structural Uncertainty in Bladed Disks

K. Willcox, J. Peraire

GT 2002; 1257-1265https://doi.org/10.1115/GT2002-30680

Abstract

View Articletitled, Application of Reduced-Order Aerodynamic Modeling to the Analysis of Structural Uncertainty in Bladed Disks

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Topics: Disks , Modeling , Uncertainty , Blades , Computation , Computational fluid dynamics , Design , Dynamics (Mechanics) , Principal component analysis

Performance Evaluation of an Internal Flow Navier-Stokes Solver for Compressible Viscous Flow Simulations

H. Tug˘rul Tınaztepe, Ahmet S¸. U¨c¸er, I˙. Sinan Akamandor

GT 2002; 1267-1274https://doi.org/10.1115/GT2002-30681

Abstract

View Articletitled, Performance Evaluation of an Internal Flow Navier-Stokes Solver for Compressible Viscous Flow Simulations

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Topics: Algorithms , Boundary-value problems , Bubbles , Cascades (Fluid dynamics) , Compressors , Corners (Structural elements) , Diffusion (Physics) , Eddies (Fluid dynamics) , Engineering simulation , Flow (Dynamics)

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