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ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition

June 13–17, 2016

Seoul, South Korea

Conference Sponsors:

ISBN:

978-0-7918-4970-5

In This Volume

Axial Flow Turbine Aerodynamics (59)

Volume 2B: Turbomachinery

Axial Flow Turbine Aerodynamics

Effects of Tip Shroud Geometries on Low-Pressure Turbine Performance

Sébastien Le Guyader, Jacques Démolis, Julien Munoz

GT 2016; V02BT38A001doi:https://doi.org/10.1115/GT2016-56006

Abstract

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Topics: Pressure , Turbines , Flow (Dynamics) , Rotors , Blades , Leakage flows , Airfoils , Bending (Stress) , Clearances (Engineering) , Computation

On the Unsteady Interaction Between the Leakage and the Main Passage Flow in a High Pressure Turbine Rig: CFD URANS Investigations and Comparison With the Rig Test Data

Giulio Zamboni, Paolo Adami

GT 2016; V02BT38A002doi:https://doi.org/10.1115/GT2016-56041

Abstract

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Topics: Computational fluid dynamics , Flow (Dynamics) , High pressure (Physics) , Leakage , Turbines , Design , Reynolds-averaged Navier–Stokes equations , Sealing (Process) , Airfoils , Blades

Flat-Plate Boundary Layers in Accelerated Flow

Pascal Bader, Manuel Pschernig, Wolfgang Sanz, Jakob Woisetschläger, Franz Heitmeir, Walter Meile, Günter Brenn

GT 2016; V02BT38A003doi:https://doi.org/10.1115/GT2016-56044

Abstract

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Topics: Boundary layers , Flat plates , Flow (Dynamics) , Turbulence , Skin friction (Fluid dynamics) , Geometry , Heat transfer , Lasers , Performance , Probes

The Investigations of the Balance Hole Area and Radial Seal Clearance’s Influences on Turbine Efficiency in the Wheel Chamber

Guoliang Deng, Qi Sun, Shan Wang, Chaoyang Tian, Qi Wu, Xiaodan Zhang, Xiaoqin Du

GT 2016; V02BT38A004doi:https://doi.org/10.1115/GT2016-56102

Abstract

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Topics: Turbines , Wheels , Flow (Dynamics) , Computational fluid dynamics , Clearances (Engineering) , Stators , Blades , Geometry , Leakage , Suction

Investigation on the Reduction of Trailing Edge Shock Losses for a Highly Loaded Transonic Turbine

Wei Zhao, Weiwei Luo, Qingjun Zhao, Jianzhong Xu

GT 2016; V02BT38A005doi:https://doi.org/10.1115/GT2016-56131

Abstract

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Topics: Shock (Mechanics) , Turbines , Blades , Pressure , Suction , Chords (Trusses) , Computer simulation , Delays , Design , Flow (Dynamics)

Reynolds Stress Anisotropy in a Two-Stage Low Pressure Axial Turbine at Low Reynolds Numbers

Jan Habermann, Martin C. Arenz, Stephan Staudacher, Martin G. Rose, Yavuz Guendogdu, Irene Raab

GT 2016; V02BT38A006doi:https://doi.org/10.1115/GT2016-56133

Abstract

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Topics: Anisotropy , Pressure , Reynolds number , Stress , Turbines , Separation (Technology) , Suction , Airfoils , Bubbles , Computational fluid dynamics

Influence of Inflow Turbulence and Distortion on a Two-Stage Low Pressure Axial Turbine at Low Reynolds Numbers

Christian H. Schulze, Jan Habermann, Stephan Staudacher, Martin G. Rose, Udo Freygang

GT 2016; V02BT38A007doi:https://doi.org/10.1115/GT2016-56134

Abstract

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Topics: Inflow , Pressure , Reynolds number , Turbines , Turbulence , Probes , Flow (Dynamics) , Nozzle guide vanes , Aircraft engines , Aircraft propulsion

Research on the Matching Relationship Between HPT and LPT of One and One-Half Vaneless Contra-Rotating Turbines

Xiao Xu, Qingjun Zhao, Weiwei Luo, Fei Tang, Xiaolei Sun

GT 2016; V02BT38A008doi:https://doi.org/10.1115/GT2016-56141

Abstract

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Topics: Turbines , Flow (Dynamics) , Engines , Pressure , Cycles , Design , Geometry , High pressure (Physics) , Propulsion systems , Thrust

On the Impact of Passive Tip-Injection on the Downstream Flow Field of a Shrouded LP-Turbine: CFD and Experimental Results

Pouya Ghaffari, Reinhard Willinger

GT 2016; V02BT38A009doi:https://doi.org/10.1115/GT2016-56196

Abstract

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Topics: Computational fluid dynamics , Flow (Dynamics) , Turbines , Leakage , Blades , Angular momentum , Clearances (Engineering) , Compressible flow , Fins , Pressure

A Novel Suction Side Winglet Design Method for High Pressure Turbine Rotor Tips

Chao Zhou, Fangpan Zhong

GT 2016; V02BT38A010doi:https://doi.org/10.1115/GT2016-56218

Abstract

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Topics: Design methodology , High pressure (Physics) , Rotors , Suction , Turbines , Blades , Cavities , Design , Leakage , Leakage flows

Aerodynamic Optimization of a Winglet-Shroud Tip Geometry for a Linear Turbine Cascade

Min Zhang, Yan Liu, Tian-long Zhang, Meng-chao Zhang, Hong-kun Li

GT 2016; V02BT38A011doi:https://doi.org/10.1115/GT2016-56268

Abstract

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Topics: Cascades (Fluid dynamics) , Geometry , Optimization , Turbines , Pressure , Vortices , Bubbles , Flow (Dynamics) , Leakage , Linkages

Experimental Investigation of Pressure Side Flow Separation on the T106C Airfoil at High Suction Side Incidence Flow

Stephan Stotz, Reinhard Niehuis, Yavuz Guendogdu

GT 2016; V02BT38A012doi:https://doi.org/10.1115/GT2016-56287

Abstract

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Topics: Airfoils , Flow (Dynamics) , Flow separation , Pressure , Suction , Separation (Technology) , Bubbles , Mach number , Blades , Cascades (Fluid dynamics)

Unsteady Flow Physics and Performance Prediction of a 1-1/2 Stage Unshrouded High Work Turbine Using the Lattice Boltzmann Approach

Ignacio Gonzalez-Martino, Sébastien Gautier

GT 2016; V02BT38A013doi:https://doi.org/10.1115/GT2016-56364

Abstract

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Topics: Lattice Boltzmann methods , Physics , Turbines , Unsteady flow , Simulation , Flow (Dynamics) , Rotors , Engineering simulation , Blades , Geometry

Experimental and Numerical Investigations on the Aerodynamic Performance of the Three-Stage Turbine With Consideration of the Leakage Flow Effect

Yang Chen, Jun Li, Chaoyang Tian, Gangyun Zhong, Xiaoping Fan, Xianglin Kong

GT 2016; V02BT38A014doi:https://doi.org/10.1115/GT2016-56407

Abstract

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Topics: Leakage flows , Turbines , Flow (Dynamics) , Blades , Diaphragms (Mechanical devices) , Diaphragms (Structural) , Disks , Rotors , Wheels , Leakage

Influence of Mach Number on Profile Loss of Axial-Flow Gas Turbine Blades

M. D. Kibsey, S. A. Sjolander

GT 2016; V02BT38A015doi:https://doi.org/10.1115/GT2016-56410

Abstract

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Topics: Axial flow , Blades , Gas turbines , Mach number , Pressure , Computational fluid dynamics , Turbine blades , Cascades (Fluid dynamics) , Design , Flow (Dynamics)

Aerodynamic Turbine Design for an Oxy-Fuel Combined Cycle

Adrian Dahlquist, Magnus Genrup

GT 2016; V02BT38A016doi:https://doi.org/10.1115/GT2016-56439

Abstract

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Topics: Combined cycles , Design , Fuels , Turbines , Carbon dioxide , Cycles , Gas turbines , Carbon capture and storage , Design methodology , Fluids

Comparison of 2D and 3D Airfoils in Combination With Non Axisymmetric End Wall Contouring: Part 1 — Experimental Investigations

Tobias W. Zimmermann, Oliver Curkovic, Manfred Wirsum, Andrew Fowler, Kush Patel

GT 2016; V02BT38A017doi:https://doi.org/10.1115/GT2016-56494

Abstract

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Topics: Airfoils , Turbines , Blades , Flow (Dynamics) , Cavities , Engineering simulation , Engines , Gas turbines , High pressure (Physics) , Inflow

Experimental and Numerical Investigation of Unsteady Structures Within the Rim Seal Cavity in the Presence of Purge Mass Flow

Jason Town, Michael Averbach, Cengiz Camci

GT 2016; V02BT38A018doi:https://doi.org/10.1115/GT2016-56500

Abstract

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Topics: Cavities , Flow (Dynamics) , Rotors , Blades , Turbines , Disks , Stators , Errors , Fluids , Pressure

Control of Tip Leakage in a High Pressure Turbine Cascade Using Tip Blowing

Ralph J. Volino

GT 2016; V02BT38A019doi:https://doi.org/10.1115/GT2016-56511

Abstract

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Topics: Cascades (Fluid dynamics) , High pressure (Physics) , Leakage , Turbines , Pressure drop , Blades , Flow (Dynamics) , Jets , Pressure , Cavities

Aerodynamic Performance of Novel Lightweight Turbine Blade

Yoji Okita, Kozo Nita, Seiji Kubo

GT 2016; V02BT38A020doi:https://doi.org/10.1115/GT2016-56516

Abstract

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Topics: Turbine blades , Airfoils , Design , Pressure , Cascades (Fluid dynamics) , Shapes , Mach number , Weight (Mass) , Geometry , Blades

CFD Analysis of the Unsteady Flow in a Two-Stage Axial Turbine

Yang Pan, Qi Yuan, Qian Chen, Qing Ge, Dawei Ji

GT 2016; V02BT38A021doi:https://doi.org/10.1115/GT2016-56560

Abstract

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Topics: Computational fluid dynamics , Turbines , Unsteady flow , Pressure , Nozzles , Valves , Blades , Computer software , Flow (Dynamics) , Fluctuations (Physics)

Influence of a Shroud Axisymmetric Slot Injection on a High Pressure Turbine Flow

Etienne Tang, Mickaël Philit, Gilles Leroy, Isabelle Trebinjac, Ghislaine Ngo Boum

GT 2016; V02BT38A022doi:https://doi.org/10.1115/GT2016-56608

Abstract

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Topics: Flow (Dynamics) , High pressure (Physics) , Turbines , Cooling , Rotors , Stators , Computation , Engineering simulation , Pressure , Reynolds-averaged Navier–Stokes equations

Secondary Flow Control in Low Aspect Ratio Vanes Using Splitters

Christopher Clark, Graham Pullan, Eric Curtis, Frederic Goenaga

GT 2016; V02BT38A023doi:https://doi.org/10.1115/GT2016-56625

Abstract

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Topics: Annulus , Boundary layers , Computation , Design , Engines , Flow (Dynamics) , Flow control , Geometry , Kinetic energy , Pareto optimization

Impact of the Expansion Ratio on the Unsteady Aerodynamics and Performance of a HP Axial Turbine

P. Gaetani, G. Persico, A. Spinelli, A. Mora

GT 2016; V02BT38A024doi:https://doi.org/10.1115/GT2016-56650

Abstract

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Topics: Aerodynamics , Turbines , Rotors , Flow (Dynamics) , Stators , Cascades (Fluid dynamics) , Probes , Axial flow , Boundary-value problems , Compressors

Modulation and Radial Migration of Turbine Hub Cavity Modes by the Rim Seal Purge Flow

R. Schädler, A. I. Kalfas, R. S. Abhari, G. Schmid, S. Voelker

GT 2016; V02BT38A025doi:https://doi.org/10.1115/GT2016-56661

Abstract

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Topics: Cavities , Flow (Dynamics) , Turbines , Blades , Annulus , Probes , Computational fluid dynamics , Design , Engineering simulation , Gas turbines

Accounting for Uncontrolled Variations in Low-Speed Turbine Experiments

K. R. Evans, J. P. Longley

GT 2016; V02BT38A026doi:https://doi.org/10.1115/GT2016-56667

Abstract

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Topics: Accounting , Turbines , Blades , Flow (Dynamics) , Reynolds number , Brakes , Clearances (Engineering) , Data acquisition , Pressure , Temperature

Clocking in Low-Pressure Turbines

K. R. Evans, J. P. Longley

GT 2016; V02BT38A027doi:https://doi.org/10.1115/GT2016-56668

Abstract

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Topics: Pressure , Turbines , Stators , Computation , Wakes , Blades , Cavities , Flow (Dynamics) , Flow turning , Rotors

Numerical Study of Purge and Secondary Flows in a Low Pressure Turbine

J. Cui, P. G. Tucker

GT 2016; V02BT38A028doi:https://doi.org/10.1115/GT2016-56789

Abstract

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Topics: Flow (Dynamics) , Pressure , Turbines , Blades , Wakes , Boundary layers , Suction , Vortices , Aircraft engines , Cavities

Experimental Investigation of Effects of Rim Sealing Flow on the Flow Field in a Turbine Cascade Passage With Different Rim Seal Configurations

Lixiang Wang, Hongwei Ma, Jinghui Zhang

GT 2016; V02BT38A029doi:https://doi.org/10.1115/GT2016-56848

Abstract

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Sealing (Process) , Turbines , Clearances (Engineering) , Blades , Cavities , Vortices , Compressors , Turbine blades

Influence of Trailing Edge Coolant Ejection Rate and Cut-Back Length on Energy Loss and Shockwave Intensity of a Transonic Turbine Blade

Yufeng Wang, Xun Zhou, Xun Liu, Songtao Wang

GT 2016; V02BT38A030doi:https://doi.org/10.1115/GT2016-56859

Abstract

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Topics: Coolants , Energy dissipation , Shock waves , Turbine blades , Jet engines , Cooling systems , Design , Flow control , Mach number

Numerical Study of the Effect of Honeycomb Tip on Tip Leakage Flow in Turbine Cascade

Yunfeng Fu, Fu Chen, Cong Chen, Yanping Song

GT 2016; V02BT38A031doi:https://doi.org/10.1115/GT2016-56907

Abstract

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Topics: Cascades (Fluid dynamics) , Honeycomb structures , Leakage flows , Turbines , Clearances (Engineering) , Vortices , Leakage , Blades , Flow (Dynamics) , Cavities

Comparison of 2D and 3D Airfoils in Combination With Non Axisymmetric End Wall Contouring: Part 2 — Numerical Investigations

Oliver Curkovic, Tobias W. Zimmermann, Manfred Wirsum, Andrew Fowler, Kush Patel

GT 2016; V02BT38A032doi:https://doi.org/10.1115/GT2016-56914

Abstract

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Topics: Airfoils , Flow (Dynamics) , Blades , Cavities , Computational fluid dynamics , Rotors , Computer simulation , Computer software , Engineering simulation , Gas turbines

Loss Mechanisms of Inter-Platform Steps in a 1.5 Stage Axial Flow Turbine

Robert Kluxen, Stephan Behre, Peter Jeschke, Yavuz Guendogdu

GT 2016; V02BT38A033doi:https://doi.org/10.1115/GT2016-56940

Abstract

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Topics: Axial flow , Turbines , Flow (Dynamics) , Stators , Design , Entropy , Manufacturing , Pressure , Boundary layers , Geometry

Numerical Evaluation of the Condition of a Jet Engine Through Exhaust Jet Analysis

Rafael R. Adamczuk, Joerg R. Seume

GT 2016; V02BT38A034doi:https://doi.org/10.1115/GT2016-56947

Abstract

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Topics: Exhaust systems , Jet engines , Density , Blades , Combustion , Cooling , Engines , Flow (Dynamics) , Rotors , Aircraft engines

Experimental and Numerical Verification of the Core-Flow in a New Low-Pressure Turbine

Michael Henke, Lars Wein, Tim Kluge, Yavuz Guendogdu, Marc Heinz-Otto Biester, Joerg R. Seume

GT 2016; V02BT38A035doi:https://doi.org/10.1115/GT2016-57101

Abstract

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Topics: Flow (Dynamics) , Pressure , Turbines , Blades , Boundary-value problems , Computation , Computational fluid dynamics , Computer simulation , Design , Design methodology

Efficiency Improvements in an Industrial Steam Turbine Stage: Part 1

Srikanth Deshpande, Marcus Thern, Magnus Genrup

GT 2016; V02BT38A036doi:https://doi.org/10.1115/GT2016-57138

Abstract

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Topics: Steam turbines , Rotors , Stators , Design , Airfoils , Blades , Computational fluid dynamics , Computer software , Engineering simulation , Flow (Dynamics)

Efficiency Improvements in an Industrial Steam Turbine Stage: Part 2

Srikanth Deshpande, Marcus Thern, Magnus Genrup

GT 2016; V02BT38A037doi:https://doi.org/10.1115/GT2016-57140

Abstract

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Topics: Airfoils , Blades , Flow (Dynamics) , Leakage flows , Pressure , Pressure gradient , Rotors , Stators , Steam turbines , Turbines

Design Optimization of Profiled Endwall With Consideration of Cooling and Rim Seal Flow Effects

Huimin Tang, Shuaiqiang Liu, Hualing Luo

GT 2016; V02BT38A038doi:https://doi.org/10.1115/GT2016-57219

Abstract

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Topics: Cooling , Design , Flow (Dynamics) , Optimization , Turbines , Geometry , High pressure (Physics) , Cascades (Fluid dynamics) , Cavities , Computational fluid dynamics

Endwall Loss in Turbine Cascades

John D. Coull

GT 2016; V02BT38A039doi:https://doi.org/10.1115/GT2016-57325

Abstract

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Topics: Turbines , Design , Flow (Dynamics) , Aerodynamics , Aircraft engines , Blades , Engineers , Engines , Pressure , Suction

End-Wall Secondary Flow Control Using Engineered Residual Surface Structure

X. Miao, Q. Zhang, C. Atkin, Z. Sun

GT 2016; V02BT38A040doi:https://doi.org/10.1115/GT2016-57347

Abstract

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Topics: Flow control , Flow (Dynamics) , Computational fluid dynamics , Design , Ducts , Milling , Surface roughness , Turbomachinery , Vorticity

Thermal Investigation of Integrated Combustor Vane Concept Under Engine-Realistic Conditions

Simon Jacobi, Budimir Rosic

GT 2016; V02BT38A041doi:https://doi.org/10.1115/GT2016-57355

Abstract

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Topics: Combustion chambers , Engines , Heat transfer coefficients , Boundary layers , Cascades (Fluid dynamics) , Computational fluid dynamics , Computer simulation , Energy generation , Flow (Dynamics) , Gas turbines

Parasitic Loss due to Leading Edge Instrumentation on a Low Pressure Turbine Blade

Henry C.-H. Ng, John D. Coull

GT 2016; V02BT38A042doi:https://doi.org/10.1115/GT2016-57367

Abstract

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Topics: Instrumentation , Pressure , Turbine blades , Probes , Blades , Vortices , Boundary layers , Cascades (Fluid dynamics) , Testing , Turbulence

Experimental Investigation on the Annular Sector Cascade of a High Endwall-Angle Turbine

Weiliang Fu, Jie Gao, Chen Liang, Fukai Wang, Qun Zheng, Endong Zhou

GT 2016; V02BT38A043doi:https://doi.org/10.1115/GT2016-57392

Abstract

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Topics: Cascades (Fluid dynamics) , Turbines , Flow (Dynamics) , Blades , Mach number , Pressure , Vortices , Design , Pipes , Pressure sensors

Influence of the Coriolis Force on the Flow in a Low Pressure Turbine Cascade T106

Oliver Baum, Denis Koschichow, Jochen Fröhlich

GT 2016; V02BT38A044doi:https://doi.org/10.1115/GT2016-57399

Abstract

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Topics: Cascades (Fluid dynamics) , Coriolis force , Flow (Dynamics) , Pressure , Turbines , Rotation , Blades , Computer simulation , Radial flow , Reynolds number

Investigations of the Actuation Effect of a Single DBD Plasma Actuator for Flow Separation Control Under Simulated Low-Pressure Turbine Blade Conditions

Elisa Pescini, Fedele Marra, Maria Grazia De Giorgi, Luca Francioso, Antonio Ficarella

GT 2016; V02BT38A045doi:https://doi.org/10.1115/GT2016-57432

Abstract

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Topics: Actuators , Flow separation , Plasmas (Ionized gases) , Pressure , Turbine blades , Flow (Dynamics) , Turbulence , Flow control , Shapes , Wind tunnels

High-Pressure Turbine Rim Seal Design for Increased Efficiency

M. Chilla, H. P. Hodson, G. Pullan, D. Newman

GT 2016; V02BT38A046doi:https://doi.org/10.1115/GT2016-57495

Abstract

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Topics: Design , High pressure (Physics) , Turbines , Flow (Dynamics) , Disks , Sealing (Process) , Computer simulation , Geometry , Rotors , Aircraft engines

A Second Turbulent Regime When a Fully Developed Axial Turbulent Flow Enters a Rotating Pipe

Ferdinand-J. Cloos, Anna-L. Zimmermann, Peter F. Pelz

GT 2016; V02BT38A047doi:https://doi.org/10.1115/GT2016-57499

Abstract

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Topics: Pipes , Turbulence , Boundary layers , Flow (Dynamics) , Reynolds number , Fluids , Laser Doppler anemometry , Momentum , Stability

Aerodynamic Loading Distribution Effects on Off-Design Performance of Highly Loaded LP Turbine Cascades Under Steady and Unsteady Incoming Flows

Marco Berrino, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Francesco Bertini

GT 2016; V02BT38A048doi:https://doi.org/10.1115/GT2016-57580

Abstract

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Topics: Design , Flow (Dynamics) , Turbines , Reynolds number , Boundary layers , Cascades (Fluid dynamics) , Inflow , Robustness , Blades , Physics

Experimental Investigation on the Time-Space Evolution of a Laminar Separation Bubble by POD and DMD

D. Lengani, D. Simoni, M. Ubaldi, P. Zunino, F. Bertini

GT 2016; V02BT38A049doi:https://doi.org/10.1115/GT2016-57581

Abstract

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Topics: Bubbles , Separation (Technology) , Dynamics (Mechanics) , Wavelength , Complex systems , Degrees of freedom , Displacement , Fluctuations (Physics) , Kinetic energy , Particulate matter

Numerical Study on Aero-Thermal Performance of HP Turbine Endwalls Under Influence of Hot Streak and High Mainstream Turbulence

Zhiduo Wang, Wenhao Zhang, Zhaofang Liu, Chen Zhang, Zhenping Feng

GT 2016; V02BT38A050doi:https://doi.org/10.1115/GT2016-57591

Abstract

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Topics: Turbines , Turbulence , Wall temperature , Heat flux , Rotors , Temperature , Heat transfer , Stators , Chords (Trusses) , Engineering simulation

Analysis of a LPT Rotor Blade for a Geared Engine: Part II — Characterization of the Time-Varying Flow Field in a Single Stage Research Turbine

Daniele Infantino, Francesca Satta, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Francesco Bertini

GT 2016; V02BT38A051doi:https://doi.org/10.1115/GT2016-57725

Abstract

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Topics: Blades , Engines , Flow (Dynamics) , Rotors , Turbines , Stators , Wakes , Vortices , Arches , Design

Experimental Investigation of Turbine Stage Flow Field and Performance at Varying Cavity Purge Rates and Operating Speeds

Johan Dahlqvist, Jens Fridh

GT 2016; V02BT38A052doi:https://doi.org/10.1115/GT2016-57735

Abstract

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Topics: Cavities , Flow (Dynamics) , Turbines , Rotors , Annulus , Mach number , Entropy , High pressure (Physics)

Analysis of a LPT Rotor Blade for a Geared Engine: Part I — Aero-Mechanical Design and Validation

Matteo Giovannini, Filippo Rubechini, Michele Marconcini, Andrea Arnone, Francesco Bertini

GT 2016; V02BT38A053doi:https://doi.org/10.1115/GT2016-57746

Abstract

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Topics: Blades , Design , Engines , Rotors , Artificial neural networks , Stress , Turbine blades , Turbines , Turbulence , Boundary-value problems

About the Distribution of the Mach Number and Losses Under Consideration of the Diffusion Factor: Profile Distribution and Losses for Low Pressure Turbine Profiles With High Diffusion Factors Under Steady Flow Conditions

Roland Brachmanski, Reinhard Niehuis

GT 2016; V02BT38A054doi:https://doi.org/10.1115/GT2016-57750

Abstract

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Topics: Diffusion (Physics) , Flow (Dynamics) , Mach number , Pressure , Turbines , Suction , Blades , Boundary layers , Design , Flow separation

Trailing Edge Thickness Impact on the Profile Losses of Highly Loaded Low Pressure Turbines Blades

Jorge Parra, David Cadrecha, Ezequiel González, Benigno Lázaro

GT 2016; V02BT38A055doi:https://doi.org/10.1115/GT2016-57955

Abstract

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Topics: Blades , Pressure , Turbines , Diffusion (Physics) , Wakes , Airfoils , Boundary layers , Cascades (Fluid dynamics) , Chords (Trusses) , Suction

Non-Axisymmetric Endwall Profile Optimization of a High-Pressure Transonic Turbine Using Approximation Model

Inkyom Kim, Jinuk Kim, Jinsoo Cho, Young-Seok Kang

GT 2016; V02BT38A056doi:https://doi.org/10.1115/GT2016-57970

Abstract

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Topics: Approximation , High pressure (Physics) , Optimization , Turbines , Flow (Dynamics) , Nozzles , Design , Genetic algorithms , Response surface methodology , Shock (Mechanics)

An Energy Based Fouling Model for Gas Turbines: EBFOG

Nicola Casari, Michele Pinelli, Alessio Suman, Luca di Mare, Francesco Montomoli

GT 2016; V02BT38A057doi:https://doi.org/10.1115/GT2016-58044

Abstract

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Topics: Gas turbines , Particulate matter , Computational fluid dynamics , Blades , Compressors , Nozzles , Probability , Temperature , Turbines , Aerodynamics

A Parametric and Computational Aerothermal Investigation of Squealer Tip Geometry in an Axial Turbine: A Parametric Approach Suitable for Future Advanced Tip Carving Optimizations

H. Maral, C. B. Senel, L. Kavurmacioglu

GT 2016; V02BT38A058doi:https://doi.org/10.1115/GT2016-58107

Abstract

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Topics: Geometry , Turbines , Blades , Computational fluid dynamics , Design , Optimization , Turbulence , Axial flow , Cascades (Fluid dynamics) , Computation

The Effect of FSTI to the Combined Separation Control Strategy of Surface Roughness With Upstream Wakes

Sun Shuang, Lei Zhi-jun, Lu Xin-gen, Zhang Yan-feng, Zhu Jun-qiang

GT 2016; V02BT38A059doi:https://doi.org/10.1115/GT2016-58163

Abstract

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Topics: Separation (Technology) , Surface roughness , Wakes , Boundary layers , Suction , Turbines , Cascades (Fluid dynamics) , Pressure , Probes , Reynolds number

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