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ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition

June 10–13, 1996

Birmingham, UK

Conference Sponsors:

ISBN:

978-0-7918-7872-9

In This Volume

Turbomachinery (137)

Volume 1: Turbomachinery

Turbomachinery

Measurements of Time-Varying Jet Isopleths Using Dual Light Sheet PLIF

Robert P. Campbell, M. David Checkel, David J. Wilson

GT 1996; V001T01A001doi:https://doi.org/10.1115/96-GT-028

Abstract

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Topics: Combustion chambers , Cooling , Film cooling , Fluids , Fluorescence , Lasers , Mass transfer , Nozzles , Plumes (Fluid dynamics) , Turbine blades

Wake Mixing in Axial Flow Compressors

John J. Adamczyk

GT 1996; V001T01A002doi:https://doi.org/10.1115/96-GT-029

Abstract

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Topics: Axial flow , Compressors , Wakes , Blades , Pressure , Diffusion (Physics) , Flow (Dynamics) , Kinematics , Stress , Vorticity

Computation of Internal/Rotating Flows Using Recent CFD Techniques

Meng-Sing Liou, Kai-Hsiung Kao, Kumud Ajmani

GT 1996; V001T01A003doi:https://doi.org/10.1115/96-GT-030

Abstract

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Topics: Computation , Computational fluid dynamics , Flow (Dynamics) , Mesh generation

Comparison of a TVD-Upwind Scheme and a Central Difference Scheme for Navier-Stokes Turbine Stage Flow Calculation

Markus Raif, Jürgen F. Mayer, Heinz Stetter

GT 1996; V001T01A004doi:https://doi.org/10.1115/96-GT-031

Abstract

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Topics: Flow (Dynamics) , Turbines , Boundary-value problems , Pressure , Rotors , Stators , Turbulence , Computation , Mach number , Reflection

Study of Radial Tip Clearance Effects in a Low-Speed Axial Compressor Rotor

I. G. Nikolaou, K. C. Giannakoglou, K. D. Papailiou

GT 1996; V001T01A005doi:https://doi.org/10.1115/96-GT-037

Abstract

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Topics: Clearances (Engineering) , Compressors , Rotors , Flow (Dynamics) , Blades , Modeling , Axial flow , Computer software , Corners (Structural elements) , Displacement

Quasi-Three-Dimensional and Three-Dimensional Flow Calculation in a Francis Turbine

Manfred J. Sallaberger

GT 1996; V001T01A006doi:https://doi.org/10.1115/96-GT-038

Abstract

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Topics: Flow (Dynamics) , Francis turbines , Computation , Gates (Closures) , Computational methods , Finite element methods

Three-Dimensional Inverse Method for Turbomachinery Blading Design

Alain Demeulenaere, René Van den Braembussche

GT 1996; V001T01A007doi:https://doi.org/10.1115/96-GT-039

Abstract

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Topics: Design , Turbomachinery , Blades , Flow (Dynamics) , Geometry , Pressure , Shock (Mechanics) , Transpiration , Algorithms , Compressors

Quasi-Three-Dimensional Simplified Method for a Transonic Compressor Rotor

V. Tsamourtzis, A. Bölcs

GT 1996; V001T01A008doi:https://doi.org/10.1115/96-GT-040

Abstract

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Topics: Compressors , Rotors , Blades , Shock (Mechanics) , Flow (Dynamics) , Shock waves , Subsonic flow , Canals , Cascades (Fluid dynamics) , Design

Assessment of a Wave Rotor Topped Demonstrator Gas Turbine Engine Concept

Philip H. Snyder, Raymond E. Fish

GT 1996; V001T01A009doi:https://doi.org/10.1115/96-GT-041

Abstract

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Topics: Gas turbines , Rotors , Waves , Engines , Design , Compressors , Cycles , Hardware , Engine design , Horsepower

Detailed Velocity and Turbulence Measurements of the Profile Boundary Layer in a Large Scale Turbine Cascade

Marina Ubaldi, Pietro Zunino, Ugo Campora, Andrea Ghiglione

GT 1996; V001T01A010doi:https://doi.org/10.1115/96-GT-042

Abstract

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Topics: Boundary layers , Cascades (Fluid dynamics) , Turbines , Turbulence , Fibers , Flow (Dynamics) , Gages , Lasers , Pressure , Stress

The Generation of 3D, Stretched, Viscous Unstructured Meshes for Arbitrary Domains

W. N. Dawes

GT 1996; V001T01A011doi:https://doi.org/10.1115/96-GT-055

Abstract

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Topics: Flow (Dynamics) , Turbomachinery

Indicators of Incipient Surge for Three Turbofan Engines Using Standard Equipment and Instrumentation

Adam J. Baran, Michael G. Dunn

GT 1996; V001T01A012doi:https://doi.org/10.1115/96-GT-056

Abstract

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Topics: Engines , Instrumentation , Surges , Turbofans , Control equipment , Compression , Frequency response

Time-Frequency Analysis of Compressor Rotating Stall by Means of Wavelet Transform

Shengfang Liao, Jingyi Chen

GT 1996; V001T01A013doi:https://doi.org/10.1115/96-GT-057

Abstract

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Topics: Compressors , Time-frequency analysis , Wavelet transforms , Signals , Signal processing , Stall inception , Fourier transforms , Noise (Sound) , Transients (Dynamics) , Wavelets

BladeCAD: An Interactive Geometric Design Tool for Turbomachinery Blades

Perry L. Miller, IV, James H. Oliver, David P. Miller, Daniel L. Tweedt

GT 1996; V001T01A014doi:https://doi.org/10.1115/96-GT-058

Abstract

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Topics: Blades , Design , Turbomachinery , B-splines , Computer software , Fluid dynamics , Manufacturing , User interfaces

Design and Development of a Two Stage Transonic Axial Flow Compressor

Katsushi Nagai, Kazuaki Ikesawa, Takao Sugimoto, Toshinao Tanaka, Hiroshi Umino, Takeshi Ryuguji

GT 1996; V001T01A015doi:https://doi.org/10.1115/96-GT-059

Abstract

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Topics: Axial flow , Design , Airfoils , Blades , Compressors , Design methodology , Rotors , Test facilities , Computational fluid dynamics , Industrial gases

The Influence of Inlet Swirl on the Flow Within an Annular S-Shaped Duct

D. W. Bailey, J. F. Carrotte

GT 1996; V001T01A016doi:https://doi.org/10.1115/96-GT-060

Abstract

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Topics: Ducts , Flow (Dynamics) , Compressors , Design , Gas turbines , Guide vanes , Momentum , Pressure , Pressure gradient , Separation (Technology)

A Study of the Behaviour of Flow in a Diagonal-Flow Turbomachine

Arjun Sarathi Ray

GT 1996; V001T01A017doi:https://doi.org/10.1115/96-GT-061

Abstract

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Topics: Flow (Dynamics) , Turbomachinery , Machinery , Rotors , Blades , Axial flow , Computation , Fluids , Impellers , Trains

Compressor Off-Design Performance Prediction Using an Endwall Model

John Dunham

GT 1996; V001T01A018doi:https://doi.org/10.1115/96-GT-062

Abstract

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Topics: Compressors , Design , Blades , Computation , Surges , Annulus , Boundary layers , Diffusion (Physics) , Flow separation , Shapes

The Application of a Computer-Aided Design Technique to the Conceptual Design of Turbochargers: Part A — Centrifugal Compressor Design and Turbine Matching

A. Whitfield, Abu Hasan Abdullah

GT 1996; V001T01A019doi:https://doi.org/10.1115/96-GT-063

Abstract

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Topics: Compressors , Computer-aided design , Conceptual design , Design , Turbines , Turbochargers , Flow (Dynamics) , Pressure , Accounting , Axial flow

The Application of a Computer-Aided Design Technique to the Conceptual Design of Turbochargers: Part B — Radial Turbine Design

A. Whitfield, Abu Hasan Abdullah

GT 1996; V001T01A020doi:https://doi.org/10.1115/96-GT-064

Abstract

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Topics: Computer-aided design , Conceptual design , Design , Turbines , Turbochargers , Rotors , Blades , Dimensions , Exhaust systems , Flow (Dynamics)

Flow Development in Radial Turbine Rotors

Nicholas C. Baines

GT 1996; V001T01A021doi:https://doi.org/10.1115/96-GT-065

Abstract

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Topics: Flow (Dynamics) , Rotors , Turbines , Blades , Fluids , Suction , Vortices , Coriolis force , Corners (Structural elements) , Inflow

Numerical Calculations of a Turbine Volute Using a 3-D Navier-Stokes Solver

R. F. Martinez-Botas, K. R. Pullen, F. Shi

GT 1996; V001T01A022doi:https://doi.org/10.1115/96-GT-066

Abstract

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Topics: Turbines , Flow (Dynamics) , Momentum , Pressure , Algorithms , Computation , Computational fluid dynamics , Geometry , Interpolation , Reynolds number

Numerical Simulation of Secondary Flow in Gas Turbine Disc Cavities, Including Conjugate Heat Transfer

Y.-H. Ho, M. M. Athavale, J. M. Forry, R. C. Hendricks, B. M. Steinetz

GT 1996; V001T01A023doi:https://doi.org/10.1115/96-GT-067

Abstract

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Topics: Cavities , Computer simulation , Disks , Flow (Dynamics) , Gas turbines , Heat transfer , Turbines , Temperature , Design , Computational fluid dynamics

An Implicit Algorithm for Stator-Rotor Interaction Analysis

V. Michelassi, P. Adami, F. Martelli

GT 1996; V001T01A024doi:https://doi.org/10.1115/96-GT-068

Abstract

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Topics: Algorithms , Rotors , Stators , Computation , Flow (Dynamics) , Scalars , Testing , Turbines

Simulation of 3D-Unsteady Stator/Rotor Interaction in Turbomachinery Stages of Arbitrary Pitch Ratio

Alexander R. Jung, Jürgen F. Mayer, Heinz Stetter

GT 1996; V001T01A025doi:https://doi.org/10.1115/96-GT-069

Abstract

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Topics: Rotors , Simulation , Stators , Turbomachinery , Flow (Dynamics) , Fluctuations (Physics) , Pressure , Blades , Computational methods , Computer simulation

Computation of Three-Dimensional Steady and Unsteady Flow Through a Compressor Stage

Y.-H. Ho, B. Lakshminarayana

GT 1996; V001T01A026doi:https://doi.org/10.1115/96-GT-070

Abstract

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Topics: Compressors , Computation , Unsteady flow , Stators , Flow (Dynamics) , Blades , Turbulence , Boundary layers , Leakage flows , Pressure

Navier-Stokes Simulation of the Flow Around a Leading Edge Film-Cooled Turbine Blade Including the Interior Cooling System and Comparison With Experimental Data

Dirk T. Vogel

GT 1996; V001T01A027doi:https://doi.org/10.1115/96-GT-071

Abstract

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Topics: Cooling systems , Flow (Dynamics) , Navier-Stokes equations , Turbine blades , Blades , Geometry , Cooling , Film cooling , Flow separation , Flux (Metallurgy)

Modelling of the Tip Clearance Losses in Axial Flow Machines

I. K. Nikolos, D. I. Douvikas, K. D. Papailiou

GT 1996; V001T01A028doi:https://doi.org/10.1115/96-GT-072

Abstract

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Topics: Axial flow , Clearances (Engineering) , Machinery , Modeling , Pressure , Flow (Dynamics) , Vortices , Leakage , Blades , Diffusion (Physics)

The Prediction of the Tip Clearance Vortex Circulation and its Induced Flow Field in Axial Flow Machines

I. K. Nikolos, D. I. Douvikas, K. D. Papailiou

GT 1996; V001T01A029doi:https://doi.org/10.1115/96-GT-073

Abstract

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Topics: Axial flow , Clearances (Engineering) , Flow (Dynamics) , Machinery , Vortices , Leakage , Angular momentum , Blades , Compressors , Jets

The Chordwise Lean of Highly Loaded Turbine Blades

Zhongqi Wang, Wanjin Han

GT 1996; V001T01A030doi:https://doi.org/10.1115/96-GT-074

Abstract

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Topics: Blades , Cascades (Fluid dynamics) , Pressure gradient , Probes , Turbine blades , Turbines , Vortices

Performance Benefits for Wave Rotor-Topped Gas Turbine Engines

Scott M. Jones, Gerard E. Welch

GT 1996; V001T01A031doi:https://doi.org/10.1115/96-GT-075

Abstract

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Topics: Gas turbines , Rotors , Waves , Engines , Design , Cycles , Steady state , Aircraft , Flow (Dynamics) , Fuels

Analysis and Validation of Turbine Disc Cooling

John M. Hannis, John D. Maltson, Robert J. Corry, Nigel Johnson

GT 1996; V001T01A032doi:https://doi.org/10.1115/96-GT-097

Abstract

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Topics: Cooling , Disks , Turbines , Rotors , Temperature , Air flow , Thermal analysis , Accounting , Blades , Boundary-value problems

Study of Hot Streak Phenomena in Subsonic and Transonic Flows

Daniel J. Dorney, Douglas L. Sondak

GT 1996; V001T01A033doi:https://doi.org/10.1115/96-GT-098

Abstract

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Topics: Transonic flow , Turbines , Shock waves , Combustion chambers , Flow (Dynamics) , Blades , Computer simulation , Design , High pressure (Physics) , Navier-Stokes equations

Experimental Study of Tip Clearance Effects Under Transonic Flow Conditions

M. Wehner, A. Bölcs, J. Bütikofer

GT 1996; V001T01A034doi:https://doi.org/10.1115/96-GT-099

Abstract

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Topics: Clearances (Engineering) , Transonic flow , Flow (Dynamics) , Vortices , Pressure , Blades , Chords (Trusses) , Lasers , Pressure drop , Probes

Transition Effects on Secondary Flows in a Turbine Cascade

H. Moore, D. G. Gregory-Smith

GT 1996; V001T01A035doi:https://doi.org/10.1115/96-GT-100

Abstract

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Turbulence , Blades , Computation , Modeling , Reynolds number , Rotors

Three-Dimensional Flow Field Measurements in a Transonic Turbine Cascade

P. W. Giel, D. R. Thurman, I. Lopez, R. J. Boyle, G. J. Van Fossen, T. A. Jett, W. P. Camperchioli, H. La

GT 1996; V001T01A036doi:https://doi.org/10.1115/96-GT-113

Abstract

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Blades , Boundary layers , Mach number , Probes , Reynolds number , Turbine blades , Yaw

Calculation of Tip Clearance Effects in a Transonic Compressor Rotor

Rodrick V. Chima

GT 1996; V001T01A037doi:https://doi.org/10.1115/96-GT-114

Abstract

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Topics: Clearances (Engineering) , Compressors , Rotors , Lasers , Boundary layers , Computation , Flow (Dynamics) , NASA , Probes , Separation (Technology)

A Numerical Investigation of the Startup Transient in a Wave Rotor

Daniel E. Paxson

GT 1996; V001T01A038doi:https://doi.org/10.1115/96-GT-115

Abstract

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Topics: Rotors , Transients (Dynamics) , Waves , Combustion chambers , Cycles , Design , Simulation , Cavities , Computational fluid dynamics , Exhaust systems

A Numerical Investigation of Premixed Combustion in Wave Rotors

M. Razi Nalim, Daniel E. Paxson

GT 1996; V001T01A039doi:https://doi.org/10.1115/96-GT-116

Abstract

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Topics: Combustion , Rotors , Waves , Cycles , Simulation , Explosions , Combustion chambers , Computational fluid dynamics , Ducts , Flow (Dynamics)

An Experimental Determination of Losses in a 3-Port Wave Rotor

Jack Wilson

GT 1996; V001T01A040doi:https://doi.org/10.1115/96-GT-117

Abstract

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Topics: Rotors , Waves , Cycles , Friction , Leakage , Flow (Dynamics) , Fuel consumption , Gas turbines

Analysis of Hot Streak Effects on Turbine Rotor Heat Load

Tonghuo Shang, Alan H. Epstein

GT 1996; V001T01A041doi:https://doi.org/10.1115/96-GT-118

Abstract

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Topics: Heat , Rotors , Stress , Turbines , Blades , Design , Geometry , Temperature , Axial flow , Buoyancy

Flow Visualization and Leakage Measurements of Stepped Labyrinth Seals: Part 1 — Annular Groove

David L. Rhode, James W. Johnson, Daniel H. Broussard

GT 1996; V001T01A042doi:https://doi.org/10.1115/96-GT-136

Abstract

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Topics: Flow visualization , Leakage , Particulate matter , Stators , Test facilities , Water leakage

Flow Visualization and Leakage Measurements of Stepped Labyrinth Seals: Part 2 — Sloping Surfaces

David L. Rhode, James S. Younger, Marcus D. Wernig

GT 1996; V001T01A043doi:https://doi.org/10.1115/96-GT-137

Abstract

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Topics: Flow visualization , Leakage , Geometry , Cavities , Dimensions , Flow (Dynamics) , Rotors , Shapes , Test facilities , Turbulence

Flow Development Through Inter-Turbine Diffusers

Robert G. Dominy, David A. Kirkham, Andrew D. Smith

GT 1996; V001T01A044doi:https://doi.org/10.1115/96-GT-139

Abstract

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Topics: Diffusers , Flow (Dynamics) , Turbines , Computer simulation , Ducts , Engineering simulation , Geometry , Modeling , Pressure gradient , Simulation

Comparison Between Complete Hilbert Transform and Simplified Solutions of the Moore Rotating Stall Model

Gianmario L. Arnulfi, Fabio L. Ghiglino, Aristide F. Massardo

GT 1996; V001T01A045doi:https://doi.org/10.1115/96-GT-140

Abstract

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Topics: Axial flow , Compressors , Design , Flow (Dynamics) , Fourier series , Numerical stability , Optimization

IGV-Rotor Interaction Analysis in a Transonic Compressor Using the Navier-Stokes Equations

Andrea Arnone, Roberto Pacciani

GT 1996; V001T01A046doi:https://doi.org/10.1115/96-GT-141

Abstract

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Topics: Compressors , Inlet guide vanes , Navier-Stokes equations , Rotors , Flow (Dynamics)

A Study on Axial Skewing Effect of a Turbine Stator by 3-D Navier-Stokes Analysis

Naixing Chen, Qian Zhou, Weiguang Huang

GT 1996; V001T01A047doi:https://doi.org/10.1115/96-GT-149

Abstract

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Topics: Stators , Turbines , Blades , Flow (Dynamics) , Aerodynamics , Boundary layers , Numerical analysis , Physics , Pressure , Pressure gradient

A Numerically Supported Investigation of the 3D Flow in Centrifugal Impellers: Part I — The Validation Base

Ch. Hirsch, S. Kang, G. Pointel

GT 1996; V001T01A048doi:https://doi.org/10.1115/96-GT-151

Abstract

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Topics: Flow (Dynamics) , Impellers , Boundary layers , Blades , Compressors , Computation , Computer simulation , Engineering simulation , Leakage flows , Momentum

A Numerically Supported Investigation of the 3D Flow in Centrifugal Impellers: Part II — Secondary Flow Structure

Ch. Hirsch, S. Kang, G. Pointel

GT 1996; V001T01A049doi:https://doi.org/10.1115/96-GT-152

Abstract

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Topics: Flow (Dynamics) , Impellers , Vortices , Wakes , Blades , Boundary layers , Compressors , Computation , Computer simulation , Coriolis force

Study of a Surge-Free Centrifugal Compressor With Automatically Variable Inlet and Diffuser Vanes

Hideomi Harada

GT 1996; V001T01A050doi:https://doi.org/10.1115/96-GT-153

Abstract

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Topics: Compressors , Diffusers , Surges , Flow (Dynamics) , Impellers , Pressure , Cascades (Fluid dynamics) , Computers , Fluctuations (Physics) , Inlet guide vanes

The Use of Circumferentially Nonuniform Stators to Attenuate LP Compressor Rotor-Stator-Strut Aerodynamic and Mechanical Interactions

Markland G. Jones, Michael T. Barton, Walter F. O’Brien

GT 1996; V001T01A051doi:https://doi.org/10.1115/96-GT-154

Abstract

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Topics: Compressors , Rotors , Stators , Struts (Engineering) , Pressure , Computers , Engines , Blades , Design , Flow (Dynamics)

Performance of Low Solidity and Conventional Diffuser Systems for Centrifugal Compressors

Naresh K. Amineni, Abraham Engeda, William C. Hohlweg, Gregory L. Direnzi

GT 1996; V001T01A052doi:https://doi.org/10.1115/96-GT-155

Abstract

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Topics: Compressors , Diffusers , Refrigeration , Aircraft engines , Design , Gas turbines , Turbochargers , Turbomachinery

On the Application of Chimera/Unstructured Hybrid Grids for Conjugate Heat Transfer

Kai-Hsiung Kao, Meng-Sing Liou

GT 1996; V001T01A053doi:https://doi.org/10.1115/96-GT-156

Abstract

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Topics: Heat transfer , Fluid dynamics , Cascades (Fluid dynamics) , Disks , Flat plates , Flow (Dynamics) , Heat conduction , Heat flux , Numerical analysis , Temperature

Unsteady Flow in the Vaned Diffuser of a Medium Specific Speed Pump

Felix A. Muggli, Donald Wiss, Klaus Eisele, Zhengji Zhang, Michael V. Casey, Paul Galpin

GT 1996; V001T01A054doi:https://doi.org/10.1115/96-GT-157

Abstract

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Topics: Diffusers , Pumps , Unsteady flow , Simulation , Computational fluid dynamics , Convection , Flow (Dynamics) , Impellers , Lasers , Pressure transducers

Turbine Airfoil Design Optimization

Sanjay Goel, John I. Cofer, IV, Hardev Singh

GT 1996; V001T01A055doi:https://doi.org/10.1115/96-GT-158

Abstract

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Topics: Airfoils , Design , Optimization , Turbines , Blades , Cycles , Design methodology , Engineering disciplines , Geometry , High pressure (Physics)

Turbulent Flow Computations in Rotating Cavities Using Low-Reynolds-Number Models

Hector Iacovides, Kostas S. Nikas, Marcel A. F. Te Braak

GT 1996; V001T01A056doi:https://doi.org/10.1115/96-GT-159

Abstract

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Topics: Cavities , Computation , Turbulence , Flow (Dynamics) , Outflow , Rotors , Stators , Energy dissipation , Inflow , Boundary layers

Calculation of Transition in Adverse Pressure Gradient Flow by Conditioned Equations

J. Steelant, E. Dick

GT 1996; V001T01A057doi:https://doi.org/10.1115/96-GT-160

Abstract

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Topics: Flow (Dynamics) , Pressure gradient , Flat plates , Navier-Stokes equations

Measurements in a Transitional Boundary Layer With Görtler Vortices

Ralph J. Volino, Terrence W. Simon

GT 1996; V001T01A058doi:https://doi.org/10.1115/96-GT-166

Abstract

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Topics: Boundary layers , Vortices , Turbulence , Flow (Dynamics) , Gas turbines , Airfoils , Pressure , Pressure gradient , Reynolds number , Shear (Mechanics)

Three-Dimensional Blade Boundary Layer and Endwall Flow Development in the Nozzle Passage of a Single Stage Turbine

D. Ristic, B. Lakshminarayana

GT 1996; V001T01A059doi:https://doi.org/10.1115/96-GT-168

Abstract

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Topics: Blades , Boundary layers , Flow (Dynamics) , Nozzles , Turbines , Suction , Corners (Structural elements) , Axial flow , Chords (Trusses) , Flow visualization

Flow Field Diagnosis in Multistage Axial Compressors

J. Liu, Z.-C. Zhang, D.-J. Ye

GT 1996; V001T01A060doi:https://doi.org/10.1115/96-GT-170

Abstract

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Topics: Compressors , Flow (Dynamics) , Computational methods , Design

Experimental Investigation on Rotating Stall in a Centrifugal Blower With Two and Four Stages and Vaneless Diffusers

Gianmario L. Arnulfi, Diego Micheli, Piero Pinamonti

GT 1996; V001T01A061doi:https://doi.org/10.1115/96-GT-171

Abstract

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Topics: Vaneless diffusers , Wire , Flow (Dynamics) , Probes , Impellers , Stall inception , Turbomachinery , Unsteady flow

A Prescribed Velocity Distribution Scheme for Turbomachine Blading

Udai K. Singh

GT 1996; V001T01A062doi:https://doi.org/10.1115/96-GT-177

Abstract

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Topics: Blades , Boundary layers , Compressors , Design , Pressure , Shapes , Shock waves , Turbine blades , Turbomachinery

The Influence of Outlet Stator Part Surface Roughness on the Performance of a Very Low Flow Coefficient Centrifugal Compressor Stage

Jan Paroubek, Václav Cyrus, Jiři Kynčl

GT 1996; V001T01A063doi:https://doi.org/10.1115/96-GT-179

Abstract

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Topics: Compressors , Flow (Dynamics) , Stators , Surface roughness , Surface quality , Vaneless diffusers , Design , Dynamic stability , Mach number , Pressure

Assessment of Three Turbulence Models in a Compressor Rotor

A. Shabbir, J. Zhu, M. Celestina

GT 1996; V001T01A064doi:https://doi.org/10.1115/96-GT-198

Abstract

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Topics: Compressors , Rotors , Turbulence , Boundary-value problems , Computational fluid dynamics , Computation , Electromagnetic scattering , Flow (Dynamics) , International Gas Turbine Institute , Turbomachinery

The Path to Predicting Bypass Transition

R. E. Mayle, A. Schulz

GT 1996; V001T01A065doi:https://doi.org/10.1115/96-GT-199

Abstract

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Topics: Boundary layers , Computers , Energy dissipation , Fluctuations (Physics) , Kinetic energy , Turbulence

Variable Geometry Pipe Diffusers

J. W. Salvage

GT 1996; V001T01A066doi:https://doi.org/10.1115/96-GT-202

Abstract

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Topics: Diffusers , Geometry , Pipes , Flow (Dynamics) , Design , Surges , Theoretical analysis

Measurements and Prediction of the Effects of Surface Roughness on Profile Losses and Deviation in a Turbine Cascade

Richard J. Kind, Peter J. Serjak, Michael W. P. Abbott

GT 1996; V001T01A067doi:https://doi.org/10.1115/96-GT-203

Abstract

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Topics: Cascades (Fluid dynamics) , Surface roughness , Turbines , Pressure , Blades , Suction , Flow (Dynamics) , Boundary layers , Computational methods , Flow separation

Aerodynamic Performance of Rear Axial Compressor Stage With Annular Diffuser and Outlet Chamber

Václav Cyrus

GT 1996; V001T01A068doi:https://doi.org/10.1115/96-GT-238

Abstract

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Topics: Compressors , Diffusers , Guide vanes , Annulus , Blades , Cascades (Fluid dynamics) , Design , Rotors , Stators

Comparisons of Rig and Engine Dynamic Events in the Compressor of an Axi-Centrifugal Turboshaft Engine

A. Karl Owen, Duane L. Mattern, Dzu K. Le

GT 1996; V001T01A069doi:https://doi.org/10.1115/96-GT-239

Abstract

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Topics: Compressors , Engines , Traveling waves , Design , Stall behavior , Steady state , Surges

Invariant Coordinate Systems for Compressor Control

B. W. Batson

GT 1996; V001T01A070doi:https://doi.org/10.1115/96-GT-240

Abstract

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Topics: Compressors , Surges , Molecular weight , Suction , Temperature

Actuator Placement for Active Surge Control in a Multi-Stage Axial Compressor

M. Montazeri-Gh., D. J. Allerton, R. L. Elder

GT 1996; V001T01A071doi:https://doi.org/10.1115/96-GT-241

Abstract

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Topics: Actuators , Compressors , Surges , Control equipment , Flow (Dynamics) , Algebra , Design , Modeling , Momentum , Simulation

Impact of Rotor Wakes on Steady-State Axial Compressor Performance

P. Deregel, C. S. Tan

GT 1996; V001T01A072doi:https://doi.org/10.1115/96-GT-253

Abstract

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Topics: Compressors , Rotors , Steady state , Wakes , Computer simulation , Design , Inviscid flow , Pressure , Stators , Unsteady flow

A Review of Recent Research on Contra-Rotating Axial Flow Compressor Stage

P. B. Sharma, A. Adekoya

GT 1996; V001T01A073doi:https://doi.org/10.1115/96-GT-254

Abstract

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Topics: Acoustics , Aircraft engines , Axial flow , Clearances (Engineering) , Compressors , Design , Flow (Dynamics) , Fuels , Gas turbines , Geometry

Experimental Contribution on the Significance and the Control by Transverse Injection of the Horseshoe Vortex

D. P. Georgiou, V. A. Papavasilopoulos, M. Alevisos

GT 1996; V001T01A074doi:https://doi.org/10.1115/96-GT-255

Abstract

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Topics: Vortices , Flow (Dynamics) , Junctions , Pressure , Boundary layers , Coolants , Cylinders , Ducts , Flowmeters , Generators

Cooling and Sealing Air System in Industrial Gas Turbine Engines

A. W. Reichert, M. Janssen

GT 1996; V001T01A075doi:https://doi.org/10.1115/96-GT-256

Abstract

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Topics: Cooling , Gas turbines , Industrial gases , Sealing (Process) , Turbines , Film cooling , Temperature , Computational methods , Cooling systems , Flow (Dynamics)

The Effect of Impeller Inlet Annular Turning Vanes on Multistage Centrifugal Compressor Performance

Hélène Balligand, Xiubao Huang, Joost J. Brasz

GT 1996; V001T01A076doi:https://doi.org/10.1115/96-GT-257

Abstract

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Topics: Compressors , Impellers , Turning vanes , Flow (Dynamics) , Outflow , Diffusers , Inflow , Turning angles

Fully-Developed Buoyancy-Affected Flow and Heat Transfer in an Axially Rotating Annular Channel With Longitudinal Partitions

Andrei E. Khodak, Alexander I. Kirillov, Vladimir V. Ris, Evgeni M. Smirnov

GT 1996; V001T01A077doi:https://doi.org/10.1115/96-GT-258

Abstract

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Topics: Buoyancy , Flow (Dynamics) , Heat transfer , Turbulence , Temperature , Approximation , Computation , Cooling , Cross-flow , Cylinders

The Effect of Blade Angle Design Selection on Wave-Turbine Engine Performance

William E. Lear, Robert P. Kielb

GT 1996; V001T01A078doi:https://doi.org/10.1115/96-GT-259

Abstract

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Topics: Blades , Design , Engines , Turbines , Waves , Rotors , Cycles , Gas turbines , Temperature , Computational fluid dynamics

Jet, Wake and Intrinsic Motion in Impellers of Centrifugal Compressors

Y. N. Chen, U. Seidel, U. Haupt, M. Rautenberg

GT 1996; V001T01A079doi:https://doi.org/10.1115/96-GT-261

Abstract

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Topics: Compressors , Impellers , Wakes , Flow (Dynamics) , Vortices , Blades , Diffusers , Vorticity , Vaneless diffusers

A Study of the Flow Characteristics in the Inducer Bleed Slot of a Centrifugal Compressor

P. A. Eynon, A. Whitfield, M. R. Firth, A. J. Parkes, R. Saxton

GT 1996; V001T01A080doi:https://doi.org/10.1115/96-GT-262

Abstract

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Topics: Compressors , Flow (Dynamics) , Ducts , Impellers , Pressure measurement , Surges , Turbochargers , Flow visualization , Pressure , Pressure transducers

Effect of Circumferential Inlet Flow Distortion and Swirl on the Flow Field of an Axial Flow Fan Stage

K. Viswanath, M. Govardhan

GT 1996; V001T01A081doi:https://doi.org/10.1115/96-GT-263

Abstract

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Topics: Axial flow , Flow (Dynamics) , Rotors , Pressure , Probes , Stators , Design , Steady state

Analysis of the Oil Film on the Inside Surface of an Aero-Engine Bearing Chamber Housing

John W. Chew

GT 1996; V001T01A082doi:https://doi.org/10.1115/96-GT-300

Abstract

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Topics: Aircraft engines , Bearings , Flow (Dynamics) , Heat transfer , Engine design , Friction , Gravity (Force) , Uncertainty

A Novel Fluids Research Technique: Three-State Anemometry

M. Funes-Gallanzi

GT 1996; V001T01A083doi:https://doi.org/10.1115/96-GT-305

Abstract

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Topics: Computer simulation , Cylinders , Density , Engineering simulation , Equations of motion , Filters , Flow (Dynamics) , Flow measurement , Fluid density , Fluids

Investigation of the Flow and Heat Transfer in a Low Pressure Turbine Interdisc Cavity With Skewed Radial Jetflow

Alexander V. Mirzamoghadam

GT 1996; V001T01A084doi:https://doi.org/10.1115/96-GT-308

Abstract

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Topics: Cavities , Flow (Dynamics) , Heat transfer , Pressure , Turbines , Disks , Transients (Dynamics) , Forced convection , Metals , Mixed convection

Flow in a Rotating Cavity With a Peripheral Inlet and Outlet of Cooling Air

Xiaopeng Gan, Iraj Mirzaee, J. Michael Owen, D. Andrew S. Rees, Michael Wilson

GT 1996; V001T01A085doi:https://doi.org/10.1115/96-GT-309

Abstract

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Topics: Cavities , Cooling , Flow (Dynamics) , Disks , Boundary layers , Reynolds number , Turbulence , Computation , Engines , Gas turbines

Aerodynamically Induced Radial Forces in a Centrifugal Gas Compressor: Part 2 — Computational Investigation

Michael B. Flathers, George E. Bache

GT 1996; V001T01A086doi:https://doi.org/10.1115/96-GT-352

Abstract

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Topics: Gas compressors , Impellers , Stress , Boundary-value problems , Computational fluid dynamics , Design , Geometry , Vaneless diffusers , Cavities , Computational methods

Development of a High Specific Speed Centrifugal Compressor

C. Rodgers

GT 1996; V001T01A087doi:https://doi.org/10.1115/96-GT-353

Abstract

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Topics: Compressors , Impellers , Computational fluid dynamics , Design , Flow (Dynamics) , Geometry , Performance characterization , Pressure

A Three-Dimensional Shock Loss Model Applied to an Aft-Swept, Transonic Compressor Rotor

Steven L. Puterbaugh, William W. Copenhaver, Chunill Hah, Arthur J. Wennerstrom

GT 1996; V001T01A088doi:https://doi.org/10.1115/96-GT-354

Abstract

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Topics: Compressors , Rotors , Shock (Mechanics) , Design , Flow (Dynamics) , Geometry , Pressure , Airfoils , Design methodology

CFD-Analysis of Coverplate Receiver Flow

Oliver Popp, Horst Zimmermann, J. Kutz

GT 1996; V001T01A089doi:https://doi.org/10.1115/96-GT-357

Abstract

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Topics: Computational fluid dynamics , Flow (Dynamics) , Design , Cooling , Engineering simulation , Nozzles , Rotors , Simulation , System efficiency , Turbines

Development of Blade Profiles for Low Pressure Turbine Applications

E. M. Curtis, H. P. Hodson, M. R. Banieghbal, J. D. Denton, R. J. Howell, N. W. Harvey

GT 1996; V001T01A090doi:https://doi.org/10.1115/96-GT-358

Abstract

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Topics: Blades , Pressure , Turbines , Cascades (Fluid dynamics) , Boundary layers , Suction , Wakes , Aircraft engines , Design , Geometry

The Effect of Vortex Shedding on the Unsteady Pressure Distribution Around the Trailing Edge of a Turbine Blade

G. Cicatelli, C. H. Sieverding

GT 1996; V001T01A091doi:https://doi.org/10.1115/96-GT-359

Abstract

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Topics: Pressure , Turbine blades , Vortex shedding , Wakes , Cascades (Fluid dynamics) , Failure , Flow (Dynamics) , Flow instability , Fluctuations (Physics) , Mach number

Analysis of Instability Inception in High-Speed Multi-Stage Axial-Flow Compressors

Gavin J. Hendricks, Jayant S. Sabnis, Matthew R. Feulner

GT 1996; V001T01A092doi:https://doi.org/10.1115/96-GT-360

Abstract

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Topics: Axial flow , Compressors , Blades , Boundary-value problems , Ducts , Dynamic models , Engineering simulation , Flow (Dynamics) , High pressure (Physics) , Modal analysis

An Analysis of Axial Compressors Fouling and a Cleaning Method of Their Blading

A. P. Tarabrin, V. A. Schurovsky, A. I. Bodrov, J.-P. Stalder

GT 1996; V001T01A093doi:https://doi.org/10.1115/96-GT-363

Abstract

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Topics: Compressors , Aerosols , Computational methods , Engines , Flow (Dynamics) , Industrial gases , Turbines

Rotordynamic Forces due to Turbine Tip Leakage: Part I — Blade Scale Effects

Seung Jin Song, Manual Martinez-Sanchez

GT 1996; V001T01A094doi:https://doi.org/10.1115/96-GT-364

Abstract

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Topics: Blades , Leakage , Turbines , Flow (Dynamics) , Clearances (Engineering) , Rotors , Shear (Mechanics) , Actuators , Disks

Rotordynamic Forces due to Turbine Tip Leakage: Part II — Radius Scale Effects and Experimental Verification

Seung Jin Song, Manual Martinez-Sanchez

GT 1996; V001T01A095doi:https://doi.org/10.1115/96-GT-365

Abstract

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Topics: Leakage , Turbines , Rotors , Flow (Dynamics) , Clearances (Engineering) , Spin (Aerodynamics) , Spinning (Textile) , Whirls , Actuators , Blades

Stall Precursor Identification in High Speed Compressor Stages Using Chaotic Time Series Analysis Methods

Michelle M. Bright, Helen K. Qammar, Harald J. Weigl, James D. Paduano

GT 1996; V001T01A096doi:https://doi.org/10.1115/96-GT-370

Abstract

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Topics: Compressors , Time series , Traveling waves , NASA , Data acquisition , Dynamics (Mechanics) , Fluctuations (Physics) , Pressure , Pressure transducers , Rotors

Application of a Multi-Block CFD Code to Investigate the Impact of Geometry Modeling on Centrifugal Compressor Flow Field Predictions

Michael D. Hathaway, Jerry R. Wood

GT 1996; V001T01A097doi:https://doi.org/10.1115/96-GT-372

Abstract

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Topics: Compressors , Computational fluid dynamics , Flow (Dynamics) , Geometry , Modeling , Clearances (Engineering) , Impellers , Clocks , Design , Lasers

Analysis of the Flow in Vaneless Diffusers With Large Width-to-Radius Ratios

Hua-Shu Dou, Shimpei Mizuki

GT 1996; V001T01A098doi:https://doi.org/10.1115/96-GT-389

Abstract

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Topics: Flow (Dynamics) , Vaneless diffusers , Diffusers , Separation (Technology) , Boundary layer turbulence , Boundary layers , Impellers , Pressure , Shear (Mechanics) , Wakes

Transonic Probe Blockage Effects in a Calibration Wind–Tunnel and Stator Blade Passage

Frank Truckenmüller, Martin Renner, Heinz Stetter, Hans–Georg Hosenfeld

GT 1996; V001T01A099doi:https://doi.org/10.1115/96-GT-397

Abstract

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Topics: Blades , Calibration , Probes , Stators , Wind tunnels , Pressure , Flow (Dynamics) , Turbines , Wedges , Chords (Trusses)

A 2-D Navier-Stokes Solution Method With Overset Moving Grids

Ismail H. Tuncer

GT 1996; V001T01A100doi:https://doi.org/10.1115/96-GT-400

Abstract

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Topics: Airfoils , Algorithms , Cascades (Fluid dynamics) , Compressors , Flow (Dynamics) , Interpolation

Analysis of Flow Within Pump Impeller of Torque Converter

Hoshio Tsujita, Shimpei Mizuki, Eiji Ejiri

GT 1996; V001T01A101doi:https://doi.org/10.1115/96-GT-404

Abstract

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Topics: Flow (Dynamics) , Pump impellers , Torque converters , Impellers , Algorithms , Boundary-value problems , Centrifugal force , Construction , Film flow , Internal flow

Characteristics of Wakes in Compressible Two-Dimensional Flows

Rainer Kurz

GT 1996; V001T01A102doi:https://doi.org/10.1115/96-GT-405

Abstract

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Topics: Flow (Dynamics) , Wakes , Blades , Compressible flow , Turbines , Boundary layers , Dimensions , Displacement , Inviscid flow , Mach number

Turbulence Amplification With Incidence at the Leading Edge of a Compressor Cascade

Garth V. Hobson, Bryce E. Wakefield, William B. Roberts

GT 1996; V001T01A103doi:https://doi.org/10.1115/96-GT-409

Abstract

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Topics: Cascades (Fluid dynamics) , Compressors , Turbulence , Bubbles , Suction , Blades , Separation (Technology) , Airfoils , Diffusion (Physics) , Flow (Dynamics)

The Effect of Reynolds Number on the Behaviour of a Leading Edge Separation Bubble

Birinchi K. Hazarika, Charles Hirsch

GT 1996; V001T01A104doi:https://doi.org/10.1115/96-GT-410

Abstract

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Topics: Bubbles , Reynolds number , Separation (Technology) , Turbulence , Shear (Mechanics) , Boundary layers , Chords (Trusses) , Flow (Dynamics) , Momentum , Waves

Modeling and Prediction of the Laminar Leading-Edge Separation and Transition in a Blade-Cascade Flow

Dimitri P. Tselepidakis, Sung-Eun Kim

GT 1996; V001T01A105doi:https://doi.org/10.1115/96-GT-411

Abstract

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Topics: Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Modeling , Separation (Technology) , Boundary layers , Bubbles , Turbulence , Compressors , Computation

A High-Frequency-Response Pressure Probe for the Measurement of Unsteady Flow Between Two Rotors in a Hydrodynamic Turbomachine

C. Achtelik, J. Eikelmann

GT 1996; V001T01A106doi:https://doi.org/10.1115/96-GT-412

Abstract

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Topics: Pressure , Probes , Rotors , Turbomachinery , Unsteady flow , Pumps , Turbines , Calibration , Sensors , Torque converters

Experimental Study of a 3D Wake Decay and Secondary Flows Behind a Rotor Blade Row of a Low Speed Compressor Stage

A. S. Witkowski, T. J. Chmielniak, M. D. Strozik

GT 1996; V001T01A107doi:https://doi.org/10.1115/96-GT-415

Abstract

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Topics: Blades , Compressors , Flow (Dynamics) , Rotors , Wakes , Turbulence , Fibers , Probes , Stators , Unsteady flow

Turbomachinery Multistage Simulation by a Finite Element Adaptive Approach

M. Sleiman, M. P. Robichaud, M. F. Peeters, A. Tam, W. G. Habashi, M. Fortin

GT 1996; V001T01A108doi:https://doi.org/10.1115/96-GT-418

Abstract

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Topics: Finite element analysis , Simulation , Turbomachinery , Flow (Dynamics) , Compressors , Blades , Boundary-value problems , Energy conservation , Engines , Errors

Transonic Turbine Vane Wake Flows

W. E. Carscallen, H. U. Fleige, J. P. Gostelow

GT 1996; V001T01A109doi:https://doi.org/10.1115/96-GT-419

Abstract

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Topics: Flow (Dynamics) , Turbines , Wakes , Vortex street , Mach number , Vortices , Pressure , Temperature , Cascades (Fluid dynamics) , Aerodynamics

Study of Three-Dimensional Viscous Flow Field in Axial-Flow Fan

Moming Su, Chuan-gang Gu, Yong-miao Miao

GT 1996; V001T01A110doi:https://doi.org/10.1115/96-GT-420

Abstract

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Topics: Axial flow , Viscous flow , Impellers , Turbulence , Design , Boundary-value problems , Flow (Dynamics) , Vortices , Algorithms , Approximation

Loss Production in the Wake of a Simulated Subsonic Turbine Blade

Quentin D. Roberts, John D. Denton

GT 1996; V001T01A111doi:https://doi.org/10.1115/96-GT-421

Abstract

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Topics: Turbine blades , Wakes , Boundary layers , Pressure , Probes , Vortex street , Flow (Dynamics) , Suction

Simulation of Performance Deterioration in Eroded Compressors

Deepinder Singh, Awatef Hamed, Widen Tabakoff

GT 1996; V001T01A112doi:https://doi.org/10.1115/96-GT-422

Abstract

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Topics: Compressors , Simulation , Blades , Clearances (Engineering) , Design , Erosion , Pressure , Surface roughness , Axial flow

A Framework for Analyzing the Dynamics of Flexibly-Bladed Turbomachines

D. L. Gysling, M. R. Myers

GT 1996; V001T01A113doi:https://doi.org/10.1115/96-GT-440

Abstract

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Topics: Dynamics (Mechanics) , Turbomachinery , Flutter (Aerodynamics) , Rotors , Surges , Actuators , Blades , Disks , Eigenvalues , Engineering simulation

Hot Wire Measurements During Rotating Stall in a Variable Pitch Axial Flow Fan

Eduardo Blanco-Marigorta, Rafael Ballesteros-Tajadura, Carlos Santolaria

GT 1996; V001T01A114doi:https://doi.org/10.1115/96-GT-441

Abstract

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Topics: Axial flow , Wire , Blades , Flow (Dynamics) , Rotors , Probes

A Boundary Layer Transition Model

Mark W. Johnson, Ali H. Ercan

GT 1996; V001T01A115doi:https://doi.org/10.1115/96-GT-444

Abstract

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Topics: Boundary layers , Turbulence , Fluctuations (Physics) , Pressure , Pressure gradient , Skin friction (Fluid dynamics) , Spectra (Spectroscopy) , Turbine blades

A New Concept for the Design of Turbine Diffusers

Irene Raab, Dirk Lippert, Dietmar K. Hennecke

GT 1996; V001T01A116doi:https://doi.org/10.1115/96-GT-450

Abstract

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Topics: Design , Diffusers , Turbines , Outflow , Pressure , Computational fluid dynamics , Diffusion (Physics) , Ducts , Flow (Dynamics) , Geometry

Modelling of Transonic Flow in a Rotor Blade of a Steam Turbine Stage With a High Aspect Ratio Blade

M. Št’astný, P. Šafařík, I. Hořejší, M. Rais

GT 1996; V001T01A117doi:https://doi.org/10.1115/96-GT-466

Abstract

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Topics: Blades , Modeling , Rotors , Steam turbines , Transonic flow , Flow (Dynamics) , Design , Wind tunnels

Vortex Shedding From Struts in an Annular Exhaust Diffuser

Thomas F. Fric, Reynaldo Villarreal, Robert O. Auer, Michael L. James, Dincer Ozgur, Terrill K. Staley

GT 1996; V001T01A118doi:https://doi.org/10.1115/96-GT-475

Abstract

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Topics: Diffusers , Exhaust systems , Vortex shedding , Struts (Engineering) , Wakes , Chords (Trusses) , Noise (Sound) , Wind tunnels , Acoustics , Cylinders

Simulation of Trailing Edge Vortex Shedding in a Transonic Turbine Cascade

Tom C. Currie, William E. Carscallen

GT 1996; V001T01A119doi:https://doi.org/10.1115/96-GT-483

Abstract

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Topics: Cascades (Fluid dynamics) , Simulation , Turbines , Vortex shedding , Accounting , Blades , Boundary layers , Design , Energy dissipation , Entropy

Laser-Doppler Velocimetry Measurements in a Cascade of Compressor Blades at Stall

Garth V. Hobson, Andrew J. H. Williams, Humberto J. Ganaim Rickel

GT 1996; V001T01A120doi:https://doi.org/10.1115/96-GT-484

Abstract

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Topics: Blades , Cascades (Fluid dynamics) , Compressors , Lasers , Flow (Dynamics) , Design , Flow visualization , Bubbles , Chords (Trusses) , Diffusion (Physics)

Unsteady Wake-Induced Boundary Layer Transition in High Lift LP Turbines

Volker Schulte, Howard P. Hodson

GT 1996; V001T01A121doi:https://doi.org/10.1115/96-GT-486

Abstract

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Topics: Boundary layers , Turbines , Wakes , Reynolds number , Bubbles , Separation (Technology) , Suction , Turbine blades , Cascades (Fluid dynamics) , Design

On the Navier-Stokes Calculation of Separation Bubbles With a New Transition Model

Wolfgang Sanz, Max F. Platzer

GT 1996; V001T01A122doi:https://doi.org/10.1115/96-GT-487

Abstract

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Topics: Bubbles , Separation (Technology) , Airfoils , Blades , Boundary layers , Cascades (Fluid dynamics) , Compressors , Turbomachinery , Turbulence

Investigation of the Calmed Region Behind a Turbulent Spot

J. P. Gostelow, G. J. Walker, W. J. Solomon, G. Hong, N. Melwani

GT 1996; V001T01A123doi:https://doi.org/10.1115/96-GT-489

Abstract

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Topics: Turbulence , Pressure gradient , Boundary layers , Axial flow , Blades , Diffusion (Physics) , Flow (Dynamics) , Modeling , Rotors , Stators

On the Interpretation of Measured Profile Losses in Unsteady Wake-Turbine Blade Interaction Studies

H. P. Hodson, W. N. Dawes

GT 1996; V001T01A124doi:https://doi.org/10.1115/96-GT-494

Abstract

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Topics: Blades , Turbines , Wakes , Pressure , Fluctuations (Physics) , Enthalpy , Jets , Unsteady flow , Computational fluid dynamics , Separation (Technology)

Influence of Tip-Clearance, Aspect Ratio, Blade Loading, and Inlet Boundary Layer on Secondary Losses in Compressor Cascades

Jürgen Hübner, Leonhard Fottner

GT 1996; V001T01A125doi:https://doi.org/10.1115/96-GT-505

Abstract

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Topics: Blades , Boundary layers , Clearances (Engineering) , Compressors , Flow (Dynamics) , Cascades (Fluid dynamics) , Displacement , Flow visualization , Pressure , Probes

3D Laser Transit Measurements of the Tip Clearance Vortex in a Compressor Rotor Blade Row

Andrew C. Foley, Paul C. Ivey

GT 1996; V001T01A126doi:https://doi.org/10.1115/96-GT-506

Abstract

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Topics: Blades , Clearances (Engineering) , Compressors , Lasers , Rotors , Vortices , Flow (Dynamics) , Pressure , Particulate matter , Probes

Effects of Downstream Stator Pressure Field on Upstream Rotor Performance

Martin B. Graf, Om P. Sharma

GT 1996; V001T01A127doi:https://doi.org/10.1115/96-GT-507

Abstract

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Topics: Pressure , Rotors , Stators , Clearances (Engineering) , Engineering simulation , Simulation , Boundary-value problems , Computation , Airfoils , Compressors

Tip Leakage Flow Characteristics Downstream of an Axial Flow Fan

P. Puddu

GT 1996; V001T01A128doi:https://doi.org/10.1115/96-GT-508

Abstract

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Topics: Axial flow , Blades , Computers , Dimensions , Flow (Dynamics) , Kinetic energy , Leakage , Leakage flows , Probes , Rotors

Choice of the Pseudo-Optimal Configuration of a Cooled Gas-Turbine Blade Based on a Constrained Minimization of the Global Entropy Production Rate

Gianni Natalini, Enrico Sciubba

GT 1996; V001T01A129doi:https://doi.org/10.1115/96-GT-509

Abstract

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Topics: Blades , Entropy , Gas turbines , Temperature , Enthalpy , Cooling , Fluids , Geometry , Optimization , Cascades (Fluid dynamics)

On the Practical Stability and its Application to Nonlinear Control of Surge

Feng Lin

GT 1996; V001T01A130doi:https://doi.org/10.1115/96-GT-512

Abstract

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Topics: Stability , Surges , Compression , Compressors , Control equipment , Trajectories (Physics) , Computer simulation

Data Transmission Systems for a Transient Gas Turbine Rotor

Catherine M. Byrne, Mark R. D. Davies

GT 1996; V001T01A131doi:https://doi.org/10.1115/96-GT-514

Abstract

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Topics: Gas turbines , Rotors , Transients (Dynamics) , Blades , Design , Signals , Gages , Heat transfer , Light-emitting diodes , Pressure

Aspirating Probe Measurements of the Unsteady Total Temperature Field Downstream of an Embedded Stator in a Multistage Axial Flow Compressor

N. Suryavamshi, B. Lakshminarayana, J. Prato

GT 1996; V001T01A132doi:https://doi.org/10.1115/96-GT-543

Abstract

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Topics: Axial flow , Probes , Stators , Temperature , Blades , Rotors , Flow (Dynamics) , Pressure , Composite materials , Wakes

Simulation and Validation of Mach Number Effects on Secondary Flow in a Transonic Turbine Using a Multigrid, k-ε Solver

M. Koiro, B. Lakshminarayana

GT 1996; V001T01A133doi:https://doi.org/10.1115/96-GT-544

Abstract

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Topics: Flow (Dynamics) , Mach number , Simulation , Turbines , Cascades (Fluid dynamics) , Turbulence , Algorithms , Boundary layers , Compressible flow , Reynolds number

Three-Dimensional Flow Calculations of the Stator in a Highly Loaded Transonic Fan

Paul R. Emmerson

GT 1996; V001T01A134doi:https://doi.org/10.1115/96-GT-546

Abstract

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Topics: Flow (Dynamics) , Stators , Blades , Flow visualization , Pressure , Rotors , Shapes

Effects of Inlet Distortion on the Flow Field in a Transonic Compressor Rotor

Chunill Hah, Douglas C. Rabe, Thomas J. Sullivan, Aspi R. Wadia

GT 1996; V001T01A135doi:https://doi.org/10.1115/96-GT-547

Abstract

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Topics: Compressors , Flow (Dynamics) , Rotors , Blades , Pressure , Shock (Mechanics) , Boundary layers , Viscous flow , Boundary-value problems , Chords (Trusses)

Upgrading of the Westinghouse 501FA Row 2 Vane Segment to the 501FC Design

James Beiswenger, John Bonsall, Joseph Janssen, Matthew Kizer

GT 1996; V001T01A136doi:https://doi.org/10.1115/96-GT-549

Abstract

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Topics: Design , Machining , Teams , Manufacturing , Computers , Conceptual design , Concurrent engineering , Engines , Hardware , Machine tools

Two-Dimensional Computational Model for Wave Rotor Flow Dynamics

Gerard E. Welch

GT 1996; V001T01A137doi:https://doi.org/10.1115/96-GT-550

Abstract

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Topics: Flow (Dynamics) , Rotors , Waves , Blades , Ducts , Equipment performance , Flow simulation , Gates (Closures) , Navier-Stokes equations , Separation (Technology)

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