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Proceedings Papers

Proceedings Volume Cover
ASME Turbo Expo 2006: Power for Land, Sea, and Air
May 8–11, 2006
Barcelona, Spain
Conference Sponsors:
  • International Gas Turbine Institute
ISBN:
0-7918-4241-X
Volume 6: Turbomachinery, Parts A and B

General Interest

The Effect of an Entraining Diffuser on the Performance of Circular-to-Slot Exhaust Ducts With a 90 Degree Bend
S. Bottenheim, A. M. Birk, D. J. Poirier
GT 2006; 1-8https://doi.org/10.1115/GT2006-90017
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Topics: Diffusers , Ducts , Exhaust systems , Pressure
Strut Losses in a Diverging Annular Diffuser With Swirling Flow
G. K. Feldcamp, A. M. Birk
GT 2006; 9-18https://doi.org/10.1115/GT2006-90566
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Topics: Diffusers , Struts (Engineering) , Swirling flow , Pressure , Chords (Trusses) , Flow separation , Shapes
The Performance of Air-Air Ejectors With Triangular Tabbed Driving Nozzles
S. F. McBean, A. M. Birk
GT 2006; 19-28https://doi.org/10.1115/GT2006-90588
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Topics: Ejectors , Nozzles , Pressure , Testing
Boundary Layer Separation Control With Fluidic Oscillators
Ciro Cerretelli, Kevin Kirtley
GT 2006; 29-38https://doi.org/10.1115/GT2006-90738
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Topics: Boundary layers , Separation (Technology) , Flow (Dynamics) , Actuators , Diffusers , Maintenance , Momentum , Pressure , Pressure gradient , Stators

Axial Flow Fan and Compressor Aerodynamics

A New Design for Tip Injection in Transonic Axial Compressors
Behnam H. Beheshti, Kaveh Ghorbanian, Bijan Farhanieh, Joao A. Teixeira, Paul C. Ivey
GT 2006; 39-47https://doi.org/10.1115/GT2006-90007
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Topics: Compressors , Design , Blades , Flow (Dynamics) , Stability , Chords (Trusses) , Clearances (Engineering) , High pressure (Physics) , Impellers
Experimental and Numerical Investigation of a Subsonic Compressor With Bend Skewed Slot Casing Treatment
Xingen Lu, Wuli Chu, Junqiang Zhu, Yanhui Wu
GT 2006; 49-59https://doi.org/10.1115/GT2006-90026
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Topics: Compressors , Rotors , Blades , Flow (Dynamics) , Axial flow , Chords (Trusses) , Computer simulation , Geometry , Physics , Turbomachinery
Short Length-Scale Rotating Stall Inception in a Transonic Axial Compressor: Criteria and Mechanisms
Chunill Hah, Jo¨rg Bergner, Heinz-Peter Schiffer
GT 2006; 61-70https://doi.org/10.1115/GT2006-90045
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Topics: Compressors , Stall inception , Clearances (Engineering) , Flow (Dynamics) , Blades , Shock (Mechanics) , Vortices , Momentum , Pressure , Rotors
Interaction of Tip Clearance Flow and Three-Dimensional Separations in Axial Compressors
Semiu A. Gbadebo, Nicholas A. Cumpsty, Tom P. Hynes
GT 2006; 71-78https://doi.org/10.1115/GT2006-90071
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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Blades , Chords (Trusses) , Cascades (Fluid dynamics) , Separation (Technology) , Suction , Vortices , Boundary layers
Mechanism of the Interaction Between Casing Treatment and Tip Leakage Flow in a Subsonic Axial Compressor
Xingen Lu, Wuli Chu, Junqiang Zhu, Yanhui Wu
GT 2006; 79-90https://doi.org/10.1115/GT2006-90077
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Topics: Compressors , Leakage flows , Flow (Dynamics) , Blades , Clearances (Engineering) , Rotors , Axial flow , Flow visualization , Stability , Vortices
Effects of Boundary Layer Suction on the Performance of Compressor Cascades
Fu Chen, Yanping Song, Huanlong Chen, Zhongqi Wang
GT 2006; 91-100https://doi.org/10.1115/GT2006-90082
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Topics: Boundary layers , Compressors , Suction , Cascades (Fluid dynamics) , Flow (Dynamics) , Pressure , Geometry , Blades , Corners (Structural elements) , Design
Active Flow Control for Increasing the Surge Margin of an Axial Flow Compressor
M. Kefalakis, K. D. Papailiou
GT 2006; 101-111https://doi.org/10.1115/GT2006-90113
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Topics: Axial flow , Flow control , Surges , Compressors , Flow (Dynamics) , Jets , Actuators , Valves
The Development of an Aerodynamic Performance Prediction Tool for Modern Axial Flow Compressor Profiles
Dario Bruna, Carlo Cravero, Mark G. Turner
GT 2006; 113-122https://doi.org/10.1115/GT2006-90187
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Topics: Axial flow , Flow (Dynamics) , Blades , Compressors , Airfoils , Mach number , Modeling , Parametric design , Reynolds number
Unsteady Flows in the Last Stator Rows of Axial Compressor of Gas Turbine Working in Coal Gasification Combined Cycle
V. Cyrus, K. Rehak, J. Polansky
GT 2006; 123-130https://doi.org/10.1115/GT2006-90202
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Topics: Coal , Combined cycles , Compressors , Fuel gasification , Gas turbines , Stators , Unsteady flow , Flow (Dynamics) , Fatigue failure , Flow simulation
Short Length-Scale Rotating Stall Inception in a Transonic Axial Compressor: Experimental Investigation
Jo¨rg Bergner, Matthias Kinzel, Heinz-Peter Schiffer, Chunill Hah
GT 2006; 131-140https://doi.org/10.1115/GT2006-90209
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Topics: Compressors , Stall inception , Pressure , Flow (Dynamics) , Rotors , Blades , Clearances (Engineering) , Design , Shock waves , Trajectories (Physics)
Forward Sweep in a Four-Stage High-Speed Axial Compressor
Michael Braun, Joerg R. Seume
GT 2006; 141-152https://doi.org/10.1115/GT2006-90218
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Topics: Blades , Compressors , Design , Flow (Dynamics)
Unsteady Flow and Aeroelasticity Behaviour of Aero-Engine Core Compressors During Rotating Stall and Surge
M. Vahdati, G. Simpson, M. Imregun
GT 2006; 153-163https://doi.org/10.1115/GT2006-90308
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Topics: Aeroelasticity , Aircraft engines , Compressors , Surges , Unsteady flow , Flow (Dynamics) , Engines , Pressure , Annulus , Blades
Development and Demonstration of a Stability Management System for Gas Turbine Engines
D. Christensen, P. Cantin, D. Gutz, P. N. Szucs, A. R. Wadia, J. Armor, M. Dhingra, Y. Neumeier, J. V. R. Prasad
GT 2006; 165-174https://doi.org/10.1115/GT2006-90324
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Topics: Gas turbines , Stability , Compressors , Engines , Algorithms , Transients (Dynamics) , Fuels , Signals , Valves , Aircraft engines
Experimental Study of Tip-Gap Turbulent Flow Structure
Genglin Tang, Roger L. Simpson, Qing Tian
GT 2006; 175-183https://doi.org/10.1115/GT2006-90359
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Topics: Turbulence , Flow (Dynamics) , Pressure , Blades , Cascades (Fluid dynamics) , Chords (Trusses) , Compressors , Fibers , Flow visualization , Fluctuations (Physics)
Design of a Highly Efficient Low-Noise Fan for Ultra-High Bypass Engines
Burak Kaplan, Eberhard Nicke, Christian Voss
GT 2006; 185-194https://doi.org/10.1115/GT2006-90363
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Topics: Design , Engines , Noise (Sound) , Stators , Flow (Dynamics) , Rotors , Blades , Shapes , Boundary layers , Computation
Behavior of Tip Leakage Flow in an Axial Flow Compressor Rotor
Yanhui Wu, Wuli Chu, Xingen Lu, Junqiang Zhu
GT 2006; 195-204https://doi.org/10.1115/GT2006-90399
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Topics: Axial flow , Leakage flows , Rotors , Flow (Dynamics) , Vortices , Blades , Boundary layers , Clearances (Engineering) , Pressure , Computation
Design Methodology and Predicted Performance for a Supersonic Compressor Stage
Allan D. Grosvenor, Paul M. Brown, Shawn P. Lawlor
GT 2006; 205-219https://doi.org/10.1115/GT2006-90409
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Topics: Compressors , Design methodology , Design , Rotors , Boundary layers , Computational fluid dynamics , Shock (Mechanics) , Compression , Pressure , Shock waves
Experimental Investigations of the Influence of Waterdroplets in Compressor Cascades
Enno Ulrichs, Franz Joos
GT 2006; 221-230https://doi.org/10.1115/GT2006-90411
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Topics: Compressors , Drops , Cascades (Fluid dynamics) , Water , Flow (Dynamics) , Underground injection , Air flow , Inertia (Mechanics) , Momentum , Nozzles
Experimental Investigation of Flow Control in Compressor Cascades
A. Hergt, R. Meyer, K. Engel
GT 2006; 231-240https://doi.org/10.1115/GT2006-90415
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Topics: Compressors , Flow control , Separation (Technology) , Cascades (Fluid dynamics) , Corners (Structural elements) , Vortices , Generators , Flow (Dynamics) , Pressure , Boundary layers
Experimental Investigation of a Generic Compressor Bleed System
Reinaldo A. Gomes, Carsten Schwarz, Michael Pfitzner
GT 2006; 241-249https://doi.org/10.1115/GT2006-90458
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Topics: Compressors , Flow (Dynamics)
A Study of Large Tip Clearance Flows in an Axial Compressor Blade Row
Richard Williams, David Gregory-Smith, Li He
GT 2006; 251-259https://doi.org/10.1115/GT2006-90463
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Topics: Blades , Clearances (Engineering) , Compressors , Flow (Dynamics) , Vortices , Cascades (Fluid dynamics) , Pressure , Computational methods , Degrees of freedom , High pressure (Physics)
Analytical Modeling of Radial Fluid Migration in the Boundary Layer of Axial Flow Turbomachinery Blades
Ja´nos Vad
GT 2006; 261-270https://doi.org/10.1115/GT2006-90523
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Topics: Axial flow , Blades , Boundary layers , Flow (Dynamics) , Fluids , Modeling , Turbomachinery
Prediction of Tip-Leakage Flow in Axial Flow Compressor With Second Moment Closure
Domenico Borello, Franco Rispoli, Kemal Hanjalic
GT 2006; 271-281https://doi.org/10.1115/GT2006-90535
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Topics: Axial flow , Flow (Dynamics) , Leakage , Compressors , Particle filtering (numerical methods) , Sheet molding compound (Plastics) , Sliding mode control , Surface mount components , Turbulence , Vortices
On the Aerodynamics of Swept and Leaned Transonic Compressor Rotors
Ernesto Benini, Roberto Biollo
GT 2006; 283-291https://doi.org/10.1115/GT2006-90547
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Topics: Aerodynamics , Compressors , Rotors , Blades , Shock (Mechanics) , Axial flow , Computational fluid dynamics , Design , Flow (Dynamics) , NASA
Design and Test of an Aspirated Counter-Rotating Fan
Jack L. Kerrebrock, Alan H. Epstein, Ali A. Merchant, Gerald R. Guenette, David Parker, Jean-Francois Onnee, Fritz Neumayer, John J. Adamczyk, Aamir Shabbir
GT 2006; 293-302https://doi.org/10.1115/GT2006-90582
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Topics: Design , Rotors , Flow (Dynamics) , Pressure , Blades , Boundary layers , Clearances (Engineering) , Compressors , Computational fluid dynamics , Inlet guide vanes
Influence of Rotating Instability on Stall Inception Patterns in a Variable-Pitch Axial-Flow Fan
Takahiro Nishioka, Shuuji Kuroda, Tsukasa Nagano, Hiroshi Hayami
GT 2006; 303-312https://doi.org/10.1115/GT2006-90589
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Topics: Axial flow , Stall inception , Rotors , Blades , Leakage , Vortices , Design , Pressure , Separation (Technology) , Rotation
Investigation on Improved Blade Tip Concept for Axial Flow Fan
Alessandro Corsini, Bruno Perugini, Franco Rispoli, A. G. Sheard, Iain R. Kinghorn
GT 2006; 313-325https://doi.org/10.1115/GT2006-90592
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Topics: Axial flow , Blades , Rotors , Fans , Vortex flow , Aerodynamic noise , Design , Finite element analysis , Flow (Dynamics) , Fluid dynamics
Automated Blade Optimization and 3D CFD Analysis for an Axial Multistage GT Compressor Redesign
Lars Moberg, Gianfranco Guidati, Sasha Savic
GT 2006; 327-334https://doi.org/10.1115/GT2006-90747
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Topics: Blades , Compressors , Computational fluid dynamics , Optimization , Design , Flow (Dynamics) , Airfoils , Diffusion (Physics) , Engineers
Numerical Analysis of an Industrial Fan Fitted With Noise Reduction Devices
J. Amaral Teixeira, E. Naylor, P. C. Ivey, A. G. Sheard, I. R. Kinghorn
GT 2006; 335-343https://doi.org/10.1115/GT2006-90845
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Topics: Noise control , Numerical analysis , Noise (Sound) , Fans , Blades , Flow (Dynamics) , Pressure , Cooling , Aerodynamics , Air conditioning
Aerodynamic Characteristics of Supercritical Outlet Guide Vanes at Low Reynolds Number Conditions
Toyotaka Sonoda, Heinz-Adolf Schreiber
GT 2006; 345-355https://doi.org/10.1115/GT2006-90882
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Topics: Guide vanes , Reynolds number , Airfoils , Design , Mach number , Blades , Pressure , Boundary layers , Bubbles , Cascades (Fluid dynamics)
Effects of 3D Aerofoil Tip Clearance Variation on a 4-Stage Low Speed Compressor
Thomas Tschirner, Erik Johann, Ralf Mu¨ller, Konrad Vogeler
GT 2006; 357-366https://doi.org/10.1115/GT2006-90902
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Topics: Airfoils , Clearances (Engineering) , Compressors , Design , Blades , Stability , Engines , Rotors , Stators , Temperature effects
Experimental Investigation During Stall and Surge in a Transonic Fan Stage and Rotor-Only Configuration
A. J. Gannon, G. V. Hobson, R. P. Shreeve, I. J. Villescas
GT 2006; 367-376https://doi.org/10.1115/GT2006-90925
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Topics: Rotors , Surges , Stators , Compressors , Pressure , Probes , Signals , Inspection , Machinery , Pressure measurement
Causes of Acoustic Resonance in a High-Speed Axial Compressor
Bernd Hellmich, Joerg Seume
GT 2006; 377-387https://doi.org/10.1115/GT2006-90947
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Topics: Acoustics , Compressors , Resonance
Influence of the Leakage Flow Tangential Velocity on the Loss Generation and Leakage Flow Kinematics in Shrouded Axial Compressor Cascades
D. W. Sohn, T. Kim, S. J. Song
GT 2006; 389-397https://doi.org/10.1115/GT2006-90979
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Topics: Compressors , Kinematics , Leakage flows , Cavities , Flow (Dynamics) , Blades , Leakage , Chords (Trusses) , Corners (Structural elements) , Dynamics (Mechanics)
Inner Workings of Shrouded and Un-Shrouded Transonic Fan Blades
A. R. Wadia, P. N. Szucs
GT 2006; 399-412https://doi.org/10.1115/GT2006-90992
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Topics: Blades , Rotors , Boundary layers , Fluids , Suction , Aircraft engines , Cycles , Design , Engines , Fans
Modular Multi-Stage Axial Compressor Design: A Conceptual Study With an Example
Magdy S. Attia, Christopher Hemerly
GT 2006; 413-421https://doi.org/10.1115/GT2006-91053
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Topics: Compressors , Design , Life cycle costing
A Diagnostic and Design Approach of Axial Compressor Based on Local Dynamics
Ming Guo, Qiushi Li, Anping Hou, Wei Yuan
GT 2006; 423-433https://doi.org/10.1115/GT2006-91116
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Topics: Compressors , Design , Dynamics (Mechanics) , Vortices , Flow (Dynamics) , Blades , Fans , Mach number , Pressure , Probes
A Study on the Mechanism of Tip Leakage Flow Unsteadiness in an Isolated Compressor Rotor
Hongwu Zhang, Xiangyang Deng, Feng Lin, Jingyi Chen, Weiguang Huang
GT 2006; 435-445https://doi.org/10.1115/GT2006-91123
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Topics: Compressors , Leakage flows , Rotors , Blades , Flow (Dynamics) , Pressure , Suction , Clearances (Engineering) , Computational fluid dynamics , Cross-flow
On Design of Transonic Fan Rotors by 3D Inverse Design Method
Peixin Hu, Mehrdad Zangeneh, Benjamin Choo, Mohammad Rahmati
GT 2006; 447-458https://doi.org/10.1115/GT2006-91173
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Topics: Design , Design methodology , Rotors , Blades , Computation , Computational fluid dynamics , Fans , Flow (Dynamics) , Geometry , NASA
Upgrade of a 16-Stage Industrial Compressor: Part I — Development of an Innovative Performance Analysis Method
Magdy S. Attia
GT 2006; 459-466https://doi.org/10.1115/GT2006-91186
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Topics: Compressors , Computational fluid dynamics
Upgrade of a 16-Stage Industrial Compressor: Part II — Extension of the Analysis Method to the Design Function and Results
Magdy S. Attia
GT 2006; 467-474https://doi.org/10.1115/GT2006-91199
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Topics: Airfoils , Compressors , Computational fluid dynamics , Design
A Criterion for Axial Compressor Hub-Corner Stall
V. M. Lei, Z. S. Spakovszky, E. M. Greitzer
GT 2006; 475-486https://doi.org/10.1115/GT2006-91332
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Topics: Compressors , Corners (Structural elements) , Blades , Diffusion (Physics) , Flow (Dynamics) , Design , Flow control , Engineering simulation , Geometry , Rotors

Axial Flow Turbine Aerodynamics

Development of New High AN2 Last LP Stage Turbine and Exhaust Systems: A Cost Effective Solution for the 21st Century
Brian Haller
GT 2006; 487-496https://doi.org/10.1115/GT2006-90009
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Topics: Exhaust systems , Turbines , Design , Aerodynamics , Diffusers , Engine design , Engines , Machinery , Manufacturing technology , Optimization
Unsteady Flow Field of an Axial-Flow Turbine Rotor at a Low Reynolds Number
Takayuki Matsunuma
GT 2006; 497-510https://doi.org/10.1115/GT2006-90013
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Topics: Axial flow , Reynolds number , Rotors , Turbines , Unsteady flow , Vortices , Flow (Dynamics) , Wakes , Nozzles , Boundary layers
Measurements and Computations of Compressible Flow Through a Turbine Cascade With Surface Roughness
Lan Qin Yuan, Richard J. Kind
GT 2006; 511-519https://doi.org/10.1115/GT2006-90018
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Topics: Cascades (Fluid dynamics) , Compressible flow , Computation , Surface roughness , Turbines , Flow (Dynamics) , Mach number , Blades , Computational fluid dynamics , Computational methods
Numerical Simulation of Erosion in Modified Nozzles of Axial Flow Turbine
Zdzislaw Mazur, Rafael Campos-Amezcua, Alfonso Campos-Amezcua
GT 2006; 521-529https://doi.org/10.1115/GT2006-90027
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Topics: Axial flow , Computer simulation , Erosion , Nozzles , Particulate matter , Turbines
The Impact of Gas Modeling in the Numerical Analysis of a Multistage Gas Turbine
Filippo Rubechini, Michele Marconcini, Andrea Arnone, Massimiliano Maritano, Stefano Cecchi
GT 2006; 531-539https://doi.org/10.1115/GT2006-90129
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Topics: Gas turbines , Modeling , Numerical analysis , Turbines , Flow (Dynamics) , Temperature , Boundary-value problems , Cavities , Computation , Computer simulation
Experimental Investigations of Clocking in a One and a Half Stage Transonic Turbine Using Laser-Doppler-Velocimetry and a Fast Response Aerodynamic Pressure Probe
O. Schennach, J. Woisetschla¨ger, A. Fuchs, E. Go¨ttlich, A. Marn, R. Pecnik
GT 2006; 541-552https://doi.org/10.1115/GT2006-90264
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Topics: Laser Doppler anemometry , Pressure , Probes , Turbines , Flow (Dynamics) , Rotors , High pressure (Physics) , Machinery , Turbulence
Numerical Simulation of the Flow Interaction Between Turbine Main Annulus and Disc Cavities
Je´roˆme Boudet, Nickolas J. Hills, John W. Chew
GT 2006; 553-562https://doi.org/10.1115/GT2006-90307
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Topics: Annulus , Cavities , Computer simulation , Disks , Flow (Dynamics) , Turbines , Blades , Unsteady flow , Aerodynamics , Computation
Numerical Simulation of Shock Systems of Low Pressure Turbine in Vaneless Counter-Rotating Turbine
Huishe Wang, Qingjun Zhao, Ke Yang, Xiaolu Zhao, Jianzhong Xu, Jianyi Du
GT 2006; 563-572https://doi.org/10.1115/GT2006-90397
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Topics: Computer simulation , Pressure , Shock (Mechanics) , Turbines , Rotors , Inflow , Suction , Cascades (Fluid dynamics) , Airfoils , Flow (Dynamics)
Comparison of Different Shroud Configurations in High-Pressure Turbines Using Unsteady CFD
P. Adami, A. Milli, F. Martelli, S. Cecchi
GT 2006; 573-584https://doi.org/10.1115/GT2006-90442
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Topics: Computational fluid dynamics , High pressure (Physics) , Turbines , Flow (Dynamics) , Leakage , Accounting , Algorithms , Blades , Geometry , Modeling
An Investigation Into a Novel Turbine Rotor Winglet: Part I — Design and Model Rig Test Results
N. W. Harvey, D. A. Newman, F. Haselbach, L. Willer
GT 2006; 585-596https://doi.org/10.1115/GT2006-90456
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Topics: Design , Rotors , Turbines , Computational fluid dynamics , Flow (Dynamics) , Blades , Clearances (Engineering) , Control systems , Emissions , Gas turbines
An Investigation Into a Novel Turbine Rotor Winglet: Part 2 — Numerical Simulation and Experimental Results
L. Willer, F. Haselbach, D. A. Newman, N. W. Harvey
GT 2006; 597-605https://doi.org/10.1115/GT2006-90459
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Topics: Computer simulation , Rotors , Turbines , Computational fluid dynamics , Design , Flow (Dynamics) , Blades , Clearances (Engineering) , Control systems , Emissions
Determination of the Efficiency of a Cooled HP Turbine in a Compression Tube Facility
Remy De´nos, G. Paniagua, T. Yasa, E. Fortugno
GT 2006; 607-618https://doi.org/10.1115/GT2006-90460
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Topics: Compression , Turbines , Coolants , Flow (Dynamics) , Leakage flows , Errors , Pressure , Testing , Uncertainty analysis
Design and Commissioning of a Transonic Test Section for the Investigation of Shock Wave-Film Cooling Interactions
M. Ochs, A. Schulz, H.-J. Bauer
GT 2006; 619-628https://doi.org/10.1115/GT2006-90468
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Topics: Cooling , Design , Shock (Mechanics) , Waves , Flow (Dynamics) , Pressure , Airfoils , Blades , Boundary layers , Computational fluid dynamics
Effects of the Clocking on the Internal Flow in a 1.5 Stage Axial Turbine
Jongil Park, Minsuk Choi, Jehyun Baek
GT 2006; 629-636https://doi.org/10.1115/GT2006-90472
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Topics: Internal flow , Turbines , Stators , Blades , Wakes , Rotors , Unsteady flow , Flow (Dynamics) , Simulation , Trajectories (Physics)
Experimental and Numerical Investigations of Wake Passing Effects Upon Aerodynamic Performance of a LP Turbine Linear Cascade With Variable Solidity
Ken-ichi Funazaki, Kazutoyo Yamada, Takahiro Ono, Ken-ichi Segawa, Hiroshi Hamazaki, Akira Takahashi, Haruyuki Tanimitsu
GT 2006; 637-648https://doi.org/10.1115/GT2006-90507
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Topics: Cascades (Fluid dynamics) , Turbines , Wakes , Airfoils , Pressure , Probes , Separation (Technology) , Suction , Boundary layers , Bubbles
Performance and Off-Design Characteristics for Low Pressure Turbine Outlet Guide Vanes: Measurements and Calculations
Johan Hja¨rne, Jonas Larsson, Lennart Lo¨fdahl
GT 2006; 649-658https://doi.org/10.1115/GT2006-90550
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Topics: Design , Guide vanes , Pressure , Turbines , Simulation , Cascades (Fluid dynamics) , Computer simulation , Performance characterization , Turbulence
Investigation of the Flow Field in a HP Turbine Stage for Two Stator-Rotor Axial Gaps: Part I — 3D Time-Averaged Flow Field
P. Gaetani, G. Persico, V. Dossena, C. Osnaghi
GT 2006; 659-668https://doi.org/10.1115/GT2006-90553
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Topics: Flow (Dynamics) , Rotors , Stators , Turbines , Blades , Probes , Experimental analysis , Gas turbines , High pressure (Physics) , Temperature sensors
Investigation of the Flow Field in a HP Turbine Stage for Two Stator-Rotor Axial Gaps: Part II — Unsteady Flow Field
P. Gaetani, G. Persico, V. Dossena, C. Osnaghi
GT 2006; 669-680https://doi.org/10.1115/GT2006-90556
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Topics: Flow (Dynamics) , Rotors , Stators , Turbines , Unsteady flow , Vortices , Cascades (Fluid dynamics) , Chords (Trusses) , Probes , Wakes
An Experimental Investigation of Secondary Flows and Loss Development Downstream of a Highly Loaded Low Pressure Turbine Outlet Guide Vane Cascade
Johan Hja¨rne, Valery Chernoray, Jonas Larsson, Lennart Lo¨fdahl
GT 2006; 681-690https://doi.org/10.1115/GT2006-90561
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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Guide vanes , Pressure , Turbines , Blades , Turbulence , Probes , Reynolds number , Vortices
Surface Shear Stress and Pressure Measurements in a Turbine Cascade
Brian M. Holley, Lee S. Langston
GT 2006; 691-700https://doi.org/10.1115/GT2006-90580
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Topics: Cascades (Fluid dynamics) , Pressure measurement , Shear stress , Turbines , Airfoils , Pressure , Chords (Trusses) , Flow (Dynamics) , Interferometry , Mach number
Advanced Turbine Aerodynamic Design Utilizing a Full Stage CFD
Eisaku Ito, Sunao Aoki, Akimasa Muyama, Junichiro Masada
GT 2006; 701-709https://doi.org/10.1115/GT2006-90646
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Topics: Computational fluid dynamics , Design , Turbines , Engines , Pressure , Flow (Dynamics) , Airfoils , Cooling , Temperature distribution , Cascades (Fluid dynamics)
Investigation of 3D Unsteady Flows in a Two Stage Shrouded Axial Turbine Using Stereoscopic PIV and FRAP: Part I — Interstage Flow Interactions
L. Porreca, Y. I. Yun, A. I. Kalfas, S. J. Song, R. S. Abhari
GT 2006; 711-723https://doi.org/10.1115/GT2006-90752
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Topics: Flow (Dynamics) , Turbines , Unsteady flow , Rotors , Blades , Cavities , Design , Stress , Vortices , Aerodynamics
Influence of Aerodynamic Loading on Rotor-Stator Aerodynamic Interaction in a Two-Stage Low Pressure Research Turbine
Edward Canepa, Piergiorgio Formosa, Davide Lengani, Daniele Simoni, Marina Ubaldi, Pietro Zunino
GT 2006; 725-732https://doi.org/10.1115/GT2006-90753
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Topics: Pressure , Rotors , Stators , Turbines , Flow (Dynamics) , Blades , Probes , Turbulence , Data acquisition , Spacetime
Effect of the Leakage Flows and the Upstream Platform Geometry on the Endwall Flows of a Turbine Cascade
E. de la Rosa Blanco, H. P. Hodson, R. Vazquez
GT 2006; 733-744https://doi.org/10.1115/GT2006-90767
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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Geometry , Leakage flows , Turbines , Leakage , Pressure , Blades , Bubbles , Separation (Technology)
Modeling and Analysis of Main Flow–Shroud Leakage Flow Interaction in LP Turbines
Jochen Gier, Karl Engel, Bertram Stubert, Ralf Wittmaack
GT 2006; 745-755https://doi.org/10.1115/GT2006-90773
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Topics: Flow (Dynamics) , Leakage flows , Modeling , Turbines , Design , Airfoils , Computation , Geometry , Boundary-value problems , Cavities
Effect of Wake Passing on Unsteady Aerodynamic Performance in a Turbine Stage
K. Yamada, K. Funazaki, K. Hiroma, M. Tsutsumi, Y. Hirano, A. Matsuo
GT 2006; 757-767https://doi.org/10.1115/GT2006-90783
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Topics: Turbines , Wakes , Rotors , Stators , Flow (Dynamics) , Vortices , Engineering simulation , Pressure , Reynolds-averaged Navier–Stokes equations , Simulation
Time-Space Evolution of Secondary Flow Structures in a Two-Stage Low-Speed Turbine
Pierpaolo Puddu, Chiara Palomba, Franco Nurzia
GT 2006; 769-780https://doi.org/10.1115/GT2006-90787
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Topics: Flow (Dynamics) , Turbines , Rotors , Blades , Stators , Probes , Vortex flow , Wakes , Wire
Influence of Surface Roughness on Turbine Nozzle Profile Loss and Secondary Loss
Hisashi Matsuda, Fumio Otomo, Hiroyuki Kawagishi, Asako Inomata, Yoshiki Niizeki, Takashi Sasaki
GT 2006; 781-788https://doi.org/10.1115/GT2006-90828
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Topics: Nozzles , Surface roughness , Turbines , Flow (Dynamics) , Pressure , Probes , Reynolds number , Blasting , Cascades (Fluid dynamics) , Milling
The Effect of Stator-Rotor Hub Sealing Flow on the Mainstream Aerodynamics of a Turbine
Kevin Reid, John Denton, Graham Pullan, Eric Curtis, John Longley
GT 2006; 789-798https://doi.org/10.1115/GT2006-90838
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Topics: Aerodynamics , Flow (Dynamics) , Rotors , Sealing (Process) , Stators , Turbines , Sealants , Engineering simulation , Entropy , Fluids
Reducing the Perfomance Penalty Due to Turbine Inter-Platform Gaps
Kevin Reid, John Denton, Graham Pullan, Eric Curtis, John Longley
GT 2006; 799-808https://doi.org/10.1115/GT2006-90839
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Topics: Turbines , Design , Aerodynamics , Aircraft engines , Chords (Trusses) , Leakage flows , Nozzle guide vanes
Influence of Loading Distribution on the Off-Design Performance of High-Pressure Turbine Blades
D. Corriveau, S. A. Sjolander
GT 2006; 809-820https://doi.org/10.1115/GT2006-90849
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Topics: Design , High pressure (Physics) , Turbine blades , Turbines , Mach number , Blades , Airfoils , Flow (Dynamics) , Aerodynamics , Cascades (Fluid dynamics)
Influence of the Radial and Axial Gap of the Shroud Cavities on the Flowfield in a 2-Stage Turbine
Dieter Bohn, Robert Krewinkel, Christian Tu¨mmers, Michael Sell
GT 2006; 821-830https://doi.org/10.1115/GT2006-90857
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Topics: Cavities , Turbines , Flow (Dynamics) , Blades , Design , Gas turbines , Pressure , Steam , Computers , Energy consumption
A Turbine Cascade Facility for Secondary Flow Research
D. A. Bagshaw, D. G. Gregory-Smith, G. L. Ingram, M. R. Stokes
GT 2006; 831-838https://doi.org/10.1115/GT2006-90868
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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Blades , Computational fluid dynamics , Symmetry (Physics)
Numerical Investigation of Effects of Incidence Angle on Aerodynamic Performance of Ultra-Highly Loaded Turbine Cascade
Hoshio Tsujita, Shimpei Mizuki, Atsumasa Yamamoto
GT 2006; 839-849https://doi.org/10.1115/GT2006-90939
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Topics: Cascades (Fluid dynamics) , Turbines , Design , Blades , Computation , Flow (Dynamics) , Gas turbines , Internal flow , Performance characterization , Turbine blades
The Control of Shroud Leakage Loss by Reducing Circumferential Mixing
Budimir Rosic, John D. Denton
GT 2006; 851-859https://doi.org/10.1115/GT2006-90946
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Topics: Blades , Brakes , Cavities , Flow (Dynamics) , Leakage , Leakage flows , Rotors , Stators , Turbines , Turning vanes
Unsteady Flow Physics and Performance of a One-and-1/2-Stage Unshrouded High Work Turbine
T. Behr, A. I. Kalfas, R. A. Abhari
GT 2006; 861-873https://doi.org/10.1115/GT2006-90959
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Topics: Physics , Turbines , Unsteady flow , Rotors , Stators , Flow (Dynamics) , Vortices , Blades , Leakage , Probes
Low Pressure Turbine Design for Rolls-Royce Trent 900 Turbofan
Paloma Gonza´lez, Mikel Lantero, Victor Olabarria
GT 2006; 875-881https://doi.org/10.1115/GT2006-90997
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Topics: Design , Pressure , Turbines , Turbofans , Engines , Aerodynamics , Conceptual design , Risk , Teams
A New Alternative for Reduction of Secondary Flows in Low Pressure Turbines
Diego Torre, Rau´l Va´zquez, Elena de la Rosa Blanco, Howard P. Hodson
GT 2006; 883-892https://doi.org/10.1115/GT2006-91002
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Topics: Flow (Dynamics) , Pressure , Turbines , Cascades (Fluid dynamics) , Computational fluid dynamics , Engineering simulation , Geometry , Simulation
Influence of Casing Roughness on the Aerodynamic Structure of Tip Vortices in an Axial Flow Turbine
Nikhil M. Rao, Baris Gumusel, Levent Kavurmacioglu, Cengiz Camci
GT 2006; 893-903https://doi.org/10.1115/GT2006-91011
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Topics: Axial flow , Surface roughness , Turbines , Wake turbulence , Flow (Dynamics) , Leakage , Pressure , Clearances (Engineering) , Momentum , Probes
Investigation of 3D Unsteady Flows in a Two-Stage Shrouded Axial Turbine Using Stereoscopic PIV and FRAP: Part II — Kinematics of Shroud Cavity Flow
Y. I. Yun, L. Porreca, A. I. Kalfas, S. J. Song, R. S. Abhari
GT 2006; 905-914https://doi.org/10.1115/GT2006-91020
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Topics: Cavity flows , Kinematics , Turbines , Unsteady flow , Flow (Dynamics) , Cavities , Leakage , Leakage flows , Vortices , Vorticity
The Effect of Coolant Injection on the Endwall Flow of a High Pressure Turbine
Jonathan H. P. Ong, Robert J. Miller, Sumiu Uchida
GT 2006; 915-924https://doi.org/10.1115/GT2006-91060
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Topics: Coolants , Flow (Dynamics) , High pressure (Physics) , Turbines , Rotors , Leakage flows , Cavities , Gas turbines , Leakage , Pressure
The Influence of Sweep on Axial Flow Turbine Aerodynamics at Mid-Span
Graham Pullan, Neil W. Harvey
GT 2006; 925-935https://doi.org/10.1115/GT2006-91070
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Topics: Aerodynamics , Axial flow , Turbines , Blades , Pressure , Cascades (Fluid dynamics) , Design , Boundary layer turbulence , Chords (Trusses) , Energy dissipation
Curtis Stage Nozzle/Rotor Aerodynamic Interaction and the Effect on Stage Performance
Stephen Rashid, Matthew Tremmel, John Waggott, Randall Moll
GT 2006; 937-948https://doi.org/10.1115/GT2006-91115
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Topics: Nozzles , Rotors , Computational fluid dynamics , Design , Engineering design processes , Modeling , Testing performance , Turbines , Wear
The Influence of Reynolds Number, Mach Number and Incidence Effects on Loss Production in Low Pressure Turbine Airfoils
Rau´l Va´zquez, Antonio Antoranz, David Cadrecha, Leyre Arman˜anzas
GT 2006; 949-960https://doi.org/10.1115/GT2006-91121
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Topics: Airfoils , Mach number , Pressure , Reynolds number , Turbines , Cascades (Fluid dynamics) , Flow (Dynamics) , Blades
Aerodynamics of a Family of Three Highly Loaded Low-Pressure Turbine Airfoils: Measured Effects of Reynolds Number and Turbulence Intensity in Steady Flow
I. Popovic, J. Zhu, W. Dai, S. A. Sjolander, T. Praisner, E. Grover
GT 2006; 961-969https://doi.org/10.1115/GT2006-91271
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Topics: Aerodynamics , Airfoils , Flow (Dynamics) , Pressure , Reynolds number , Turbines , Turbulence , Bubbles , Separation (Technology) , Cascades (Fluid dynamics)

Radial Turbomachinery Aerodynamics

Investigation of Secondary Flow Behavior in a Radial Turbine Nozzle
Mohammed Alexin Putra, Franz Joos
GT 2006; 971-980https://doi.org/10.1115/GT2006-90019
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Topics: Flow (Dynamics) , Nozzles , Turbines , Vortices , Vorticity , Cascades (Fluid dynamics) , Computational fluid dynamics , Corners (Structural elements) , Inflow , Stress
Clearance Effects on the Evolution of the Flow in the Vaneless Diffuser of a Centrifugal Compressor at Part Load Condition
Matthias Schleer, Reza S. Abhari
GT 2006; 981-991https://doi.org/10.1115/GT2006-90083
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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Stress , Vaneless diffusers , Wakes , Diffusers , Impellers , Blades , Corners (Structural elements)
Clearance Effects on the Onset of Instability in a Centrifugal Compressor
Matthias Schleer, Seung Jin Song, Reza S. Abhari
GT 2006; 993-1003https://doi.org/10.1115/GT2006-90084
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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Vortices , Blades , Leakage , Pressure , Trajectories (Physics) , Diffusers , Centrifugal force
Numerical Investigation of a Transonic Centrifugal Compressor
Michele Marconcini, Filippo Rubechini, Andrea Arnone, Seiichi Ibaraki
GT 2006; 1005-1012https://doi.org/10.1115/GT2006-90098
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Topics: Compressors , Flow (Dynamics) , Impellers , Blades , Shock waves , Boundary layers , Clearances (Engineering) , Cross section (Physics) , Diffusers , Flow measurement
Investigation of Unsteady Flow Field in Vaned Diffuser of a Transonic Centrifugal Compressor
Seiichi Ibaraki, Tetsuya Matsuo, Takao Yokoyama
GT 2006; 1013-1021https://doi.org/10.1115/GT2006-90268
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Topics: Compressors , Diffusers , Unsteady flow , Flow (Dynamics) , Impellers , Engines , Flow measurement , Inflow , Mach number , Particulate matter
Assessment of Unsteady Behavior in Turbocharger Turbines
Aaron Costall, Shinri Szymko, Ricardo F. Martinez-Botas, Dietmar Filsinger, Dobrivoje Ninkovic
GT 2006; 1023-1038https://doi.org/10.1115/GT2006-90348
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Topics: Turbines , Turbochargers , Engines , Flow (Dynamics) , Automotive industry , Cylinders , Dynamometers , Eddies (Fluid dynamics) , Eddy currents (Electricity) , Engine design
The Design, Analysis and Test of a Unique Gas Turbine Scroll for the F-35, Joint Strike Fighter
Hakan Aksoy, Stony W. Kujala, Craig W. McKeever, Ly D. Nguyen
GT 2006; 1039-1048https://doi.org/10.1115/GT2006-90385
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Topics: Design , Gas turbines , Pressure , Computational fluid dynamics , Mach number , Flow (Dynamics) , Turbines , Combustion chambers , Engineering simulation , Simulation
Effect of Pre-Whirl on Unstable Flow Suppression in a Centrifugal Impeller With Ring Groove Arrangement
Masahiro Ishida, Daisaku Sakaguchi, Hironobu Ueki
GT 2006; 1049-1057https://doi.org/10.1115/GT2006-90400
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Topics: Flow (Dynamics) , Impellers , Surges , Whirls
New Centrifugal Compressor for Water Steam
Bodo Burandt, Matthias H. Buschmann
GT 2006; 1059-1067https://doi.org/10.1115/GT2006-90493
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Topics: Compressors , Steam , Water , Machinery , Refrigerants , Test facilities
Sensitivity Study on the Impact of Surface Roughness Due to Milling on the Efficiency of Shrouded Centrifugal Compressor Impellers
Friedrich-K. Benra, Verena Klapdor, Michael Schulten
GT 2006; 1069-1076https://doi.org/10.1115/GT2006-90499
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Topics: Compressor impellers , Milling , Surface roughness
Numerical Investigation of the Effect of Different Back Sweep Angle and Exducer Width on the Impeller Outlet Flow Pattern of a Centrifugal Compressor With Vaneless Diffuser
A. Hildebrandt, M. Genrup
GT 2006; 1077-1086https://doi.org/10.1115/GT2006-90622
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Topics: Compressors , Flow (Dynamics) , Impellers , Vaneless diffusers , Computational fluid dynamics , Diffusers , Diffusion processes , Geometry , Simulation , Steady state
Effects of Reynolds Number and Tip Clearances on the Performance of a Centrifugal Compressor at Micro Scale
Kousuke Isomura, Susumu Teramoto, Shin-Ichi Togo, Kousuke Hikichi, Yuki Endo, Shuji Tanaka
GT 2006; 1087-1094https://doi.org/10.1115/GT2006-90637
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Topics: Compressors , Reynolds number , Clearances (Engineering) , Gas turbines , Heat , Leakage , Blades , Computer simulation , Generators , Heat losses
Experimental Characterization of Vaneless Diffuser Rotating Stall: Part V — Influence of Diffuser Geometry on Stall Inception and Performance (3rd Impeller Tested)
G. Ferrara, L. Ferrari, L. Baldassarre
GT 2006; 1095-1103https://doi.org/10.1115/GT2006-90693
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Topics: Diffusers , Experimental characterization , Geometry , Impellers , Stall inception , Vaneless diffusers , Blades , Diffusion (Physics) , Compressors , High pressure (Physics)
Experimental Characterization of Vaneless Diffuser Rotating Stall: Part VI — Reduction of Three Impeller Results
E. A. Carnevale, G. Ferrara, L. Ferrari, L. Baldassarre
GT 2006; 1105-1112https://doi.org/10.1115/GT2006-90694
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Topics: Experimental characterization , Impellers , Vaneless diffusers , Diffusers , Blades , Diffusion (Physics) , Compressors , High pressure (Physics) , Pinch effect , Shapes
Preliminary Design Concepts for High Solidity Nozzle-Less Radial Inflow Gas Turbine for Small Capacity Gas Turbine Engine
Chetan S. Mistry, S. A. Channiwala
GT 2006; 1113-1120https://doi.org/10.1115/GT2006-90961
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Topics: Design , Gas turbines , Inflow , Nozzles , Turbines , Flow (Dynamics) , Mach number , Cycles , Pressure , Rotors
Frictional Effects on a Base and a Flow-Trimmed Impeller of a Low Specific Speed Industrial Compressor
Tim David, Donghui Zhang, Michael Cave
GT 2006; 1121-1130https://doi.org/10.1115/GT2006-90998
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Topics: Compressors , Flow (Dynamics) , Friction , Impellers , Diffusers , Design , Pressure , Turbomachinery
Practical Use of Similarity and Scaling Laws for Centrifugal Compressor Design
Guillaume Dufour, Xavier Carbonneau, Jean-Bernard Cazalbou, Patrick Chassaing
GT 2006; 1131-1140https://doi.org/10.1115/GT2006-91227
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Topics: Compressors , Design , Scaling laws (Mathematical physics) , Impellers , Pressure , Reynolds number
Numerical Simulation of a Multistage Radial Inflow Turbine
Yijin Li, Qun Zheng
GT 2006; 1141-1148https://doi.org/10.1115/GT2006-91307
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Topics: Computer simulation , Inflow , Turbines

Design Methods and CFD Modeling for Turbomachinery

Numerical Simulations of Heat Transfer and Fluid Flow for a Rotating High-Pressure Turbine
F. Mumic, L. Ljungkruna, B. Sunden
GT 2006; 1149-1155https://doi.org/10.1115/GT2006-90016
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Topics: Computer simulation , Fluid dynamics , Heat transfer , High pressure (Physics) , Turbines , Pressure , Engineering simulation , Simulation , Turbulence , Computer software
A Three-Dimensional Unsteady CFD Model of Compressor Stability
R. V. Chima
GT 2006; 1157-1168https://doi.org/10.1115/GT2006-90040
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Topics: Compressors , Computational fluid dynamics , Stability , Blades , Pressure , Annulus , NASA , Turbomachinery
An Effective Turbine Blade Parameterization and Aerodynamic Optimization Procedure Using an Improved Response Surface Method
Naixing Chen, Hongwu Zhang, Fangfei Ning, Yanji Xu, Weiguang Huang
GT 2006; 1169-1180https://doi.org/10.1115/GT2006-90104
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Topics: Optimization , Response surface methodology , Turbine blades , Blades , Algebra , Algorithms , Computation , Fluid dynamics , Polynomials , Simulated annealing
Experimental and Numerical Investigation of Varying Stator Design Parameters for a Radial Turbine
Alister Simpson, Stephen W. T. Spence, David W. Artt, Geoffrey McCullough
GT 2006; 1181-1189https://doi.org/10.1115/GT2006-90152
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Topics: Design , Stators , Turbines , Pressure , Shapes , Computational fluid dynamics , Computer simulation , Flow (Dynamics) , Flow separation , Rotors
Design Optimization of Transonic Compressor Rotor Using CFD and Genetic Algorithm
Weilin Yi, Hongyan Huang, Wanjin Han
GT 2006; 1191-1198https://doi.org/10.1115/GT2006-90155
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Topics: Compressors , Computational fluid dynamics , Design , Genetic algorithms , Optimization , Rotors , Response surface methodology , Blades , Turbomachinery , Composite materials
Multi-Disciplinary Design Tool for Axial Flow Turbines
S. C. Kenny, J. E. D. Gauthier, X. Huang
GT 2006; 1199-1208https://doi.org/10.1115/GT2006-90192
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Topics: Axial flow , Design , Turbines , Computational fluid dynamics , Finite element methods , Flow (Dynamics) , Gas turbines , Geometry
Modern Compressor Aerodynamic Blading Process Using Multi-Objective Optimization
Akin Keskin, Amit Kumar Dutta, Dieter Bestle
GT 2006; 1209-1216https://doi.org/10.1115/GT2006-90206
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Topics: Compressors , Pareto optimization , Blades , Design , Flow (Dynamics) , Geometry , Airfoils , Computational fluid dynamics , Engineers , Surges
Exploiting the Capabilities of Experiment and Numerical Methods
Steven J. Herring
GT 2006; 1217-1225https://doi.org/10.1115/GT2006-90208
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Topics: Numerical analysis , Testing , Computational fluid dynamics , Cycles , Flow (Dynamics) , Instrumentation , Resolution (Optics) , Reynolds-averaged Navier–Stokes equations , Steady state , Test facilities
Unsteady Flow Modeling Across the Rotor/Stator Interface Using the Nonlinear Harmonic Method
S. Vilmin, E. Lorrain, Ch. Hirsch, M. Swoboda
GT 2006; 1227-1237https://doi.org/10.1115/GT2006-90210
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Topics: Modeling , Rotors , Stators , Unsteady flow , Flow (Dynamics) , Steady state , Turbomachinery , Blades , Bridges (Structures) , Casting
Modelling the Streamline Curvature Effects in Turbomachinery Flows
Dragan Kozˇulovic´, Thomas Ro¨ber
GT 2006; 1239-1248https://doi.org/10.1115/GT2006-90265
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Topics: Flow (Dynamics) , Modeling , Turbomachinery , Turbulence , Boundary layers , Compressors , Design , Eddies (Fluid dynamics) , Engineering simulation , Numerical stability
Turbine Blade Duty Re-Design by Controlling Lean and Sweep Using an Innovative Iterative Inverse Design Method
Jose´ C. Pa´scoa, Anto´nio C. Mendes
GT 2006; 1249-1256https://doi.org/10.1115/GT2006-90266
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Topics: Design , Design methodology , Turbine blades , Blades , Generators , Stress , Cascades (Fluid dynamics) , Dimensions , Flow (Dynamics) , Gas turbines
Multilevel Hierarchical Decomposition: Identification Procedures for Edge of Design Space Feasibility
Somanath Nagendra, Jeff Midgley, Joseph B. Staubach
GT 2006; 1257-1268https://doi.org/10.1115/GT2006-90275
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Topics: Design , Disks , Shapes , Turbines , Stress , Weight (Mass) , Engines , Machinery , Optimization , Response surface methodology
Towards Orthogonal Turbomachinery Design
Jerome P. Jarrett, Theo A. Bell, P. John Clarkson
GT 2006; 1269-1277https://doi.org/10.1115/GT2006-90381
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Topics: Design , Turbomachinery , Optimization , Pressure , Aviation , Compressors , Engineering design processes , Engines , Flow (Dynamics) , Rotors
Optimal Design of Swept, Leaned and Skewed Blades in a Transonic Axial Compressor
Choon-Man Jang, Abudus Samad, Kwang-Yong Kim
GT 2006; 1279-1288https://doi.org/10.1115/GT2006-90384
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Topics: Blades , Compressors , Design
Automated Multiobjective Optimisation in Axial Compressor Blade Design
Christian Voß, Marcel Aulich, Burak Kaplan, Eberhard Nicke
GT 2006; 1289-1297https://doi.org/10.1115/GT2006-90420
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Topics: Blades , Compressors , Design , Pareto optimization , Optimization , Flow (Dynamics) , Artificial neural networks , Response surface methodology , Databases , Design methodology
Multidisciplinary Integration and Robustness Evaluation Applied to Low Pressure Turbine Casing Design
Gian Paolo De Poli, Carlo Frola, Massimo Gallizio, Luca Fattore, Massimiliano Mattone
GT 2006; 1299-1307https://doi.org/10.1115/GT2006-90464
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Topics: Design , Pressure , Robustness , Turbines , Uncertainty , Stress , Aerospace engineering , Boundary-value problems , Design methodology , Dimensions
Compressor Blade Optimization Using a Continuous Adjoint Formulation
Dimitiros I. Papadimitriou, Kyriakos C. Giannakoglou
GT 2006; 1309-1317https://doi.org/10.1115/GT2006-90466
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Topics: Blades , Compressors , Optimization , Design , Cascades (Fluid dynamics) , Computation , Algorithms , B-splines , Entropy , Navier-Stokes equations
Blading Aerodynamics Design Optimization With Mechanical and Aeromechanical Constraints
H.-D. Li, L. He, Y. S. Li, R. Wells
GT 2006; 1319-1328https://doi.org/10.1115/GT2006-90503
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Topics: Aerodynamics , Design , Optimization , Blades , Damping , Deformation , Geometry , Mode shapes , NASA , Rotors
Aero-Mechanical Optimization Method With Direct CAD Access: Application to Counter Rotating Fan Design
S. Pierret, H. Kato, R. Filomeno Coelho, A. Merchant
GT 2006; 1329-1341https://doi.org/10.1115/GT2006-90505
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Topics: Computer-aided design , Design , Optimization , Turbomachinery , Blades , Computer software , Cycles , Geometry , Algorithms , Chain
Comparison of Various Turbulence Models in Respect to Their Suitability for CFD Calculations of Diffuser Flows
Mauricio Co´rdova, Bernd Stoffel
GT 2006; 1343-1353https://doi.org/10.1115/GT2006-90524
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Topics: Computational fluid dynamics , Diffusers , Flow (Dynamics) , Turbulence , Engineering simulation , Simulation , Air flow , Boundary layers , Geometry , Symmetry (Physics)
Eliminating Serial Bottlenecks Not Just in the Flow Solving But Also in Mesh Generation and Geometry Management
W. N. Dawes
GT 2006; 1355-1362https://doi.org/10.1115/GT2006-90620
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Topics: Flow (Dynamics) , Geometry , Mesh generation , Design , Optimization , Computational fluid dynamics , Computer software , Computers , Generators , Octrees
Profiled End-Wall Design Using an Adjoint Navier-Stokes Solver
Roque Corral, Fernando Gisbert
GT 2006; 1363-1372https://doi.org/10.1115/GT2006-90650
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Topics: Blades , Computation , Design , Kinetic energy , Optimization , Pressure , Turbines
Shape Optimisation of Axial Fan Blades Using Genetic Algorithms and a 3D Navier-Stokes Solver
O. Lotfi, J. A. Teixeira, P. C. Ivey, I. R. Kinghorn, A. G. Sheard
GT 2006; 1373-1383https://doi.org/10.1115/GT2006-90659
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Topics: Blades , Genetic algorithms , Shape optimization , Optimization , Design , Flow (Dynamics) , Computational fluid dynamics , Generators , Geometry
CFD Aerodynamic Investigation of Air-Water Trajectories on Rotor-Stator Blade of an Axial Compressor for Online Washing
Zainol Mustafa, Pericles Pilidis, Joao A. Amaral Teixeira, Kamarul Arifin Ahmad
GT 2006; 1385-1394https://doi.org/10.1115/GT2006-90745
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Topics: Blades , Compressors , Computational fluid dynamics , Drops , Flow (Dynamics) , Rotors , Stators , Water
Optimisation Techniques Applied to the Design of Gas Turbine Blades Cooling Systems
Gianlorenzo Bucchieri, Massimo Galbiati, Daniele Coutandin, Stefano Zecchi
GT 2006; 1395-1405https://doi.org/10.1115/GT2006-90771
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Topics: Blades , Cooling , Cooling systems , Design , Gas turbines , Heat transfer , Optimization , Computational fluid dynamics , Engineers , Optimization algorithms
Movement of Deposited Water on Turbomachinery Rotor Blade Surfaces
John Williams, John B. Young
GT 2006; 1407-1420https://doi.org/10.1115/GT2006-90792
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Topics: Blades , Rotors , Turbomachinery , Water , Friction , Aircraft engines , Equations of motion , Shear (Mechanics) , Trajectories (Physics) , Compressors
Direct Numerical Simulation of By-Pass and Separation-Induced Transition in a Linear Compressor Cascade
Tamer Zaki, Paul Durbin, Jan Wissink, Wolfgang Rodi
GT 2006; 1421-1429https://doi.org/10.1115/GT2006-90885
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Topics: Cascades (Fluid dynamics) , Compressors , Computer simulation , Separation (Technology) , Boundary layers , Turbulence , Flow (Dynamics) , Jets , Pressure gradient , Fluctuations (Physics)
On the Coupling of Inverse Design and Optimization Techniques for Turbomachinery Blade Design
Duccio Bonaiuti, Mehrdad Zangeneh
GT 2006; 1431-1444https://doi.org/10.1115/GT2006-90897
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Topics: Blades , Design , Optimization , Turbomachinery , Compressors , Approximation , Computational fluid dynamics , Databases , Design engineering , Design methodology
Exploring Multidisciplinary Trade-Offs in Turbomachinery Design
Theo A. Bell, Jerome P. Jarrett, P. John Clarkson
GT 2006; 1445-1454https://doi.org/10.1115/GT2006-90926
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Topics: Design , Tradeoffs , Turbomachinery , Weight (Mass) , Compressors , Turbines , Engine design , Improvised explosive devices , Optimization , Aerodynamics
Computer Aided Aero-Thermodynamic Design for Impellers
Sarim N. Al-Zubaidy
GT 2006; 1455-1463https://doi.org/10.1115/GT2006-90971
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Topics: Computer-aided engineering , Design , Impellers , Geometry , Computer-aided design , Inspection , Manufacturing , Pressure , Radial flow , Rotors
Response Surface-Based Transition Duct Shape Optimization
Fredrik Wallin, Lars-Erik Eriksson
GT 2006; 1465-1474https://doi.org/10.1115/GT2006-90978
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Topics: Ducts , Shape optimization , Optimization , Computational fluid dynamics , Design , Turbines , Compressors , Pressure , Algorithms , Computer technology
An Investigation Using Wavelet Analysis Into Velocity Perturbations Under the Influence of Elevated Freestream Turbulence at Transition Onset
Domhnaill M. Hernon, Edmond J. Walsh, Donald M. McEligot
GT 2006; 1475-1484https://doi.org/10.1115/GT2006-90987
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Topics: Turbulence , Wavelets
Predicting Entropy Generation Rates in Transitional Boundary Layers Based on Intermittency
Kevin P. Nolan, Edmond J. Walsh, Donald M. McEligot, Ralph J. Volino
GT 2006; 1485-1492https://doi.org/10.1115/GT2006-91027
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Topics: Boundary layers , Entropy , Turbulence , Pressure gradient , Energy dissipation , Flow (Dynamics)
Performance Margins of Non-Reflecting Slotted Walls in a Transonic Linear Cascade Tunnel
A. Rona, J. P. Gostelow
GT 2006; 1493-1502https://doi.org/10.1115/GT2006-91057
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Topics: Cascades (Fluid dynamics) , Tunnels , Design , Mach number , Blades , Flow (Dynamics) , Inviscid flow , Nozzles , Pressure , Shock (Mechanics)
Flow Physics and Profiling of Recessed Blade Tips: Impact on Performance and Heat Load
Bob Mischo, Thomas Behr, Reza S. Abhari
GT 2006; 1503-1513https://doi.org/10.1115/GT2006-91074
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Topics: Blades , Flow (Dynamics) , Heat , Physics , Stress , Rotors , Design , Turbines , Computational fluid dynamics , Shapes
CFD Analysis Prediction of Heat Transfer Coefficient in Rotating Cavities With Radial Outflow
Charles Wu, Boris Vaisman, Kevin McCusker, Roger Paolillo
GT 2006; 1515-1525https://doi.org/10.1115/GT2006-91078
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Topics: Cavities , Computational fluid dynamics , Heat transfer coefficients , Outflow , Wall temperature , Turbulence , Reynolds number , Boundary-value problems , Cavity flows , Computation
Experimental and Numerical Study of Real-Gas Flow in a Supersonic ORC Turbine Nozzle
Teemu Turunen-Saaresti, Jin Tang, Jos van Buijtenen, Jaakko Larjola
GT 2006; 1527-1533https://doi.org/10.1115/GT2006-91118
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Topics: Flow (Dynamics) , Nozzles , Organic Rankine cycle , Turbines , Temperature , Fluids , Pressure , Simulation , Computational fluid dynamics , Design
Inverse Problem in Aerodynamic Shape Design of Turbomachinery Blades
Yingchen Li, Dianliang Yang, Zhenping Feng
GT 2006; 1535-1543https://doi.org/10.1115/GT2006-91135
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Topics: Blades , Inverse problems , Shape design , Turbomachinery , Design , Optimization algorithms , Boundary-value problems , B-splines , Computational fluid dynamics , Diffusion (Physics)
Study on Effects of Spontaneous Condensation on Performance of Low Pressure Stages in a Steam Turbine
Liang Li, Zhenping Feng, Guojun Li
GT 2006; 1545-1553https://doi.org/10.1115/GT2006-91139
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Topics: Condensation , Pressure , Steam , Steam turbines , Turbines
A Global Preconditioning Method for Low Mach Number Viscous Flows in Rotating Machinery
Chunhua Sheng, Xiao Wang
GT 2006; 1555-1564https://doi.org/10.1115/GT2006-91189
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Topics: Flow (Dynamics) , Mach number , Machinery , Turbochargers , Turbomachinery , Compressors , Computation , Marine propellers , NASA , Navier-Stokes equations
On Near-Wall Dynamic Coupling of LES With RANS Turbulence Models
Goe´ric Daeninck, Gorazd Medic, Jeremy A. Templeton, Georgi Kalitzin
GT 2006; 1565-1575https://doi.org/10.1115/GT2006-91234
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Topics: Reynolds-averaged Navier–Stokes equations , Turbulence , Eddies (Fluid dynamics) , Viscosity , Channel flow , Computation , Stress
Transport of Particulates in an Internal Cooling Ribbed Duct
Anant Shah, Danesh K. Tafti
GT 2006; 1577-1590https://doi.org/10.1115/GT2006-91284
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Topics: Cooling , Ducts , Particulate matter , Flow (Dynamics) , Erosion , Friction , Reynolds number , Sands
Robust Implicit Multigrid Reynolds-Stress Model Computation of 3-D Turbomachinery Flows
G. A. Gerolymos, I. Vallet
GT 2006; 1591-1614https://doi.org/10.1115/GT2006-91324
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Topics: Computation , Flow (Dynamics) , Stress , Turbomachinery , Turbulence , Approximation

Noise and Innovative Noise Reduction Approaches

Computation of the Acoustic Field in an Annular Gas Turbine Combustion Chamber Using a Hybrid Approach
Robert Z. Szasz, Mihai Mihaescu, Laszlo Fuchs
GT 2006; 1615-1624https://doi.org/10.1115/GT2006-90024
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Topics: Acoustics , Combustion chambers , Computation , Gas turbines , Flow (Dynamics) , Navier-Stokes equations , Turbulence , Wave equations
Optimization of A-Weighted Discrete Noise Using Unequally Spaced Blades
Xian-Jun Wu, Jian-Hua Cao
GT 2006; 1625-1628https://doi.org/10.1115/GT2006-90025
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Topics: Blades , Noise (Sound) , Optimization , Design , Simulation
An Improved Calculation Model of Axial Flow Fan’s Vortex Noise
Xian-Jun Wu, Jian-Hua Cao
GT 2006; 1629-1632https://doi.org/10.1115/GT2006-90047
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Topics: Axial flow , Noise (Sound) , Vortices , Blades
Time-Linearized Quasi-3D Tone Noise Computations in Cascade Flows
Paolo Boncinelli, Michele Marconcini, Francesco Poli, Andrea Arnone, Claudia Schipani
GT 2006; 1633-1642https://doi.org/10.1115/GT2006-90080
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Topics: Cascades (Fluid dynamics) , Computation , Flow (Dynamics) , Noise (Sound) , Turbomachinery , Boundary-value problems , Damping , Energy dissipation , Flutter (Aerodynamics) , Waves
Tonal Noise Generation in an Inlet Vaned Axial Blower at Several Axial Gaps
K. M. Argu¨elles Di´az, J. M. Ferna´ndez Oro, C. Santolaria Morros, R. Ballesteros Tajadura
GT 2006; 1643-1652https://doi.org/10.1115/GT2006-90416
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Topics: Noise (Sound) , Acoustics , Axial flow
Engine Design Studies for a Silent Aircraft
Cesare A. Hall, Daniel Crichton
GT 2006; 1653-1662https://doi.org/10.1115/GT2006-90559
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Topics: Aircraft , Engine design , Engines , Noise (Sound) , Cycles , Exhaust systems , Nozzles , Thrust , Turbofans , Weight (Mass)
Preliminary Fan Design for a Silent Aircraft
Daniel Crichton, Liping Xu, Cesare A. Hall
GT 2006; 1663-1672https://doi.org/10.1115/GT2006-90564
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Topics: Aircraft , Design , Blades , Nozzles , Pressure , Cycles , Engines , Flow (Dynamics) , Fuels , Mach number

Unsteady Flows in Turbomachinery

Detailed Analysis of Experimental Investigations on Boundary Layer Transition in Wake Disturbed Flow
Andrea Cattanei, Pietro Zunino, Thomas Schro¨der, Bernd Stoffel, Berthold Matyschok
GT 2006; 1673-1682https://doi.org/10.1115/GT2006-90128
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Topics: Boundary layers , Flow (Dynamics) , Sensors , Wakes
Simulation of Surge Inception and Performance of Axial Multistage Compressor
Nicolas Tauveron, Pascal Ferrand, Francis Leboeuf
GT 2006; 1683-1692https://doi.org/10.1115/GT2006-90163
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Topics: Compressors , Simulation , Surges
Flow Control of Annular Compressor Cascade by Synthetic Jets
Xinqian Zheng, Anping Hou, Qiushi Li, Sheng Zhou, Yajun Lu
GT 2006; 1693-1700https://doi.org/10.1115/GT2006-90211
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Topics: Cascades (Fluid dynamics) , Compressors , Flow control , Jets , Excitation , Flow (Dynamics) , Blades , Flow separation , Suction , Unsteady flow
Unsteady Aerodynamic Blade Excitation at the Stability Limit and During Rotating Stall in an Axial Compressor
Ronald Mailach, Konrad Vogeler
GT 2006; 1701-1711https://doi.org/10.1115/GT2006-90214
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Topics: Blades , Compressors , Excitation , Rotors , Stability , Stators , Waves
Numerical Investigation of the Effect of Roughness and Passing Wakes on LP Turbine Blades Performance
Roberto Pacciani, Ennio Spano
GT 2006; 1713-1722https://doi.org/10.1115/GT2006-90221
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Topics: Surface roughness , Turbine blades , Wakes , Blades , Flow (Dynamics) , Reynolds number , Separation (Technology) , Suction
About the Numerical Simulation of Rotating Stall Mechanisms in Axial Compressors
N. Gourdain, S. Burguburu, G. J. Michon, N. Ouayahya, F. Leboeuf, S. Plot
GT 2006; 1723-1732https://doi.org/10.1115/GT2006-90223
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Topics: Compressors , Computer simulation , Simulation
Unsteady Heat Transfer Topics in Gas Turbine Stages Simulations
Paolo Adami, Simone Salvadori, Kam S. Chana
GT 2006; 1733-1744https://doi.org/10.1115/GT2006-90298
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Topics: Engineering simulation , Gas turbines , Heat transfer , Simulation , Blades , Pressure , Rotors , Stators , Temperature , Turbines
Unsteady Simulations of Recess Casing Treatment in Axial Flow Fans
Abdurazag M. Ghila, Antonios Tourlidakis
GT 2006; 1745-1754https://doi.org/10.1115/GT2006-90388
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Topics: Axial flow , Fans , Simulation , Blades , Computer simulation , Flow (Dynamics) , Steady state , Cavities , Rotors
Transport of Unsteadiness Across the Rotor of a Transonic Turbine Stage
Remy De´nos, V. Jerez Fidalgo, P. Adami
GT 2006; 1755-1765https://doi.org/10.1115/GT2006-90462
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Topics: Rotors , Turbines , Pressure , Shock (Mechanics) , Wakes , Blades , Excitation , Fluctuations (Physics) , Turbulence , Viscosity
Computational Investigation of Unsteady Flow Mechanisms in Compressors With Embedded Supersonic Rotors
Allan van de Wall, Andrew Breeze-Stringfellow, Lyle Dailey
GT 2006; 1767-1781https://doi.org/10.1115/GT2006-90633
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Topics: Compressors , Rotors , Unsteady flow , Stators , Computational fluid dynamics , Shock (Mechanics) , Vortices , Cascades (Fluid dynamics) , Flow measurement , Mach number
HPT/LPT Interaction and Flow Management in the Inter-Turbine Space of a Modern Axial Flow Turbine
Jixian Yao, Scott Carson
GT 2006; 1783-1795https://doi.org/10.1115/GT2006-90636
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Topics: Axial flow , Flow (Dynamics) , Turbines , Design , Rotors , Shock (Mechanics) , Wakes , Aircraft engines , Blades , Computer simulation
Unsteady Transition Phenomena at a Compressor Blade Leading Edge
Alan D. Henderson, Gregory J. Walker, Jeremy D. Hughes
GT 2006; 1797-1810https://doi.org/10.1115/GT2006-90641
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Topics: Blades , Compressors , Wakes , Stators , Flow (Dynamics) , Rotors , Suction , Boundary layers , Design , Turbulence
Investigations of the Boundary Layer on a Highly Loaded Compressor Cascade With Wake-Induced Transition
Jens Iseler, Lothar Hilgenfeld, Michael Pfitzner
GT 2006; 1811-1820https://doi.org/10.1115/GT2006-90665
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Topics: Boundary layers , Cascades (Fluid dynamics) , Compressors , Wakes , Blades , Computational fluid dynamics , Flow (Dynamics) , Separation (Technology) , Turbomachinery , Chords (Trusses)
Performance Impacts Due to Wake Mixing in Axial-Flow Turbomachinery
T. J. Praisner, J. P. Clark, T. C. Nash, M. J. Rice, E. A. Grover
GT 2006; 1821-1830https://doi.org/10.1115/GT2006-90666
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Topics: Axial flow , Turbomachinery , Wakes , Engineering simulation , Simulation , Turbines , Airfoils , Blades , Computational fluid dynamics , Fluids
Assessing Convergence in Predictions of Periodic-Unsteady Flowfields
J. P. Clark, E. A. Grover
GT 2006; 1831-1841https://doi.org/10.1115/GT2006-90735
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Topics: Blades , Design , Engineering simulation , Engineers , Fluctuations (Physics) , Fourier transforms , Gas turbines , Signal processing , Signals , Simulation
Steady and Unsteady Characteristics of Two Corner Separations in a Decelerating Square Channel Flow
Yoichi Kinoue, Toshiaki Setoguchi, Norimasa Shiomi, Kenji Kaneko
GT 2006; 1843-1850https://doi.org/10.1115/GT2006-90781
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Topics: Channel flow , Corners (Structural elements) , Separation (Technology) , Pressure , Suction , Turbulence
A Multi Blade-Row Linearised Analysis Method for Flutter and Forced Response Predictions in Turbomachinery
Gabriel Saiz, Mehmet Imregun, Abdulnaser I. Sayma
GT 2006; 1851-1863https://doi.org/10.1115/GT2006-90789
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Topics: Blades , Flutter (Aerodynamics) , Turbomachinery , Spin (Aerodynamics) , Spinning (Textile) , Computation , Traveling waves , Turbines , Unsteady flow
Interaction of Wheelspace Coolant and Main Flow in a New Aeroderivative LPT
Francesco Montomoli, Michela Massini, Nicola Maceli, Massimiliano Cirri, Luca Lombardi, Alessandro Ciani, Michele D’Ercole, Roberto De Prosperis
GT 2006; 1865-1873https://doi.org/10.1115/GT2006-90877
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Topics: Coolants , Flow (Dynamics) , Modeling , Pressure , Simulation , Turbines , Aviation , Computer simulation , Design , Generators
The Effect of Wake Induced Structures on Compressor Boundary-Layers
Andrew P. S. Wheeler, Robert J. Miller, Howard P. Hodson
GT 2006; 1875-1885https://doi.org/10.1115/GT2006-90892
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Topics: Boundary layers , Compressors , Wakes , Blades , Turbulence , Computational fluid dynamics , Endoscopic devices , Engineering simulation , Pressure , Pressure transducers
An Investigation of the IGV/Rotor Interaction in a Low Speed Axial Compressor Using DPIV
Zhiqiang Gong, Zhiping Li, Maoyi Li, Yajun Lu
GT 2006; 1887-1898https://doi.org/10.1115/GT2006-90976
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Topics: Compressors , Inlet guide vanes , Rotors , Flow (Dynamics) , Blades , Wakes , Pressure , Design , Flow instability , Leakage flows
Boundary Layer Transition on the High Lift T106A LP Turbine Blade With an Oscillating Downstream Pressure Field
Maciej M. Opoka, Richard L. Thomas, Howard P. Hodson
GT 2006; 1899-1909https://doi.org/10.1115/GT2006-91038
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Topics: Boundary layers , Pressure , Turbine blades , Suction , Shear (Mechanics) , Turbulence , Oscillations , Vortices , Cascades (Fluid dynamics) , Fluctuations (Physics)
Effect of Turbulence Intensity and Periodic Unsteady Wake Flow Condition on Boundary Layer Development, Separation, and Re-Attachment Over the Separation Bubble Along the Suction Surface of a Low Pressure Turbine Blade
B. O¨ztu¨rk, M. T. Schobeiri
GT 2006; 1911-1930https://doi.org/10.1115/GT2006-91293
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Topics: Boundary layers , Bubbles , Pressure , Separation (Technology) , Suction , Turbine blades , Turbulence , Wakes , Flow (Dynamics) , Cascades (Fluid dynamics)

Component Interactions

Unsteady CFD Simulation of an Entire Gas Turbine High-Spool
Jo¨rg Schlu¨ter, Sourabh Apte, Georgi Kalitzin, Heinz Pitsch, Edwin van der Weide, Juan Alonso
GT 2006; 1931-1939https://doi.org/10.1115/GT2006-90090
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Topics: Computational fluid dynamics , Gas turbines , Simulation , Engines , Boundary-value problems , Computation , Computer software , Flow (Dynamics) , Physics
Gas Turbine Performance Simulation Using an Optimized Axial Flow Compressor
Cleverson Bringhenti, Jesui´no Takachi Tomita, Francisco de Sousa Ju´nior, Joa˜o R. Barbosa
GT 2006; 1941-1948https://doi.org/10.1115/GT2006-91225
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Topics: Axial flow , Compressors , Gas turbines , Simulation
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