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ASME Turbo Expo 2013: Turbine Technical Conference and Exposition

June 3–7, 2013

San Antonio, Texas, USA

Conference Sponsors:

ISBN:

978-0-7918-5524-9

In This Volume

Noise and Innovative Noise Reduction (With Aircraft Engine) (8)
Radial Turbomachinery Aerodynamics (26)
Unsteady Flows in Turbomachinery (42)

Volume 6C: Turbomachinery

Noise and Innovative Noise Reduction (With Aircraft Engine)

Experimental Study of 700-mm Fan Model Noise at CIAM Anechoic Chamber

Yuri Khaletskiy, Victor Mileshin

GT 2013; V06CT39A001https://doi.org/10.1115/GT2013-94454

Abstract

View Articletitled, Experimental Study of 700-mm Fan Model Noise at CIAM Anechoic Chamber

PDF

Topics: Anechoic chambers , Noise (Sound) , Spectra (Spectroscopy) , Acoustics , Aircraft , Blades , Chords (Trusses) , Overpasses , Pressure , Propulsion

Investigation on Aeroacoustics and Aerodynamics of the Stator Lean Effect for Rotor-Stator Interaction

Hai-jian Liu, Hua Ouyang, Ya-dong Wu, Jie Tian, Zhao-hui Du

GT 2013; V06CT39A002https://doi.org/10.1115/GT2013-94554

Abstract

View Articletitled, Investigation on Aeroacoustics and Aerodynamics of the Stator Lean Effect for Rotor-Stator Interaction

PDF

Topics: Aerodynamic noise , Aerodynamics , Noise (Sound) , Rotors , Stators

Open Rotor Designs for Low Noise and High Efficiency

S. Arif Khalid, John P. Wojno, Andy Breeze-Stringfellow, David P. Lurie, Trevor H. Wood, Kishore Ramakrishnan, Umesh Paliath

GT 2013; V06CT39A003https://doi.org/10.1115/GT2013-94736

Abstract

View Articletitled, Open Rotor Designs for Low Noise and High Efficiency

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Topics: Noise (Sound) , Rotors , Design , Aircraft , Acoustics , Computational fluid dynamics , Propellers , Accounting , Collaboration , Disks

Thermoacoustic Shape Optimization of a Subsonic Nozzle

Alexis Giauque, Maxime Huet, Franck Clero, Sébastien Ducruix, Franck Richecoeur

GT 2013; V06CT39A004https://doi.org/10.1115/GT2013-94764

Abstract

View Articletitled, Thermoacoustic Shape Optimization of a Subsonic Nozzle

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Topics: Nozzles , Shape optimization , Noise (Sound) , Acoustic emissions , Combustion , Shapes , Emissions , Acoustics , Algorithms , Entropy

Synthetic Sound Source Generation for Acoustical Measurements in Turbomachines

Michael Bartelt, Juan D. Laguna, Joerg R. Seume

GT 2013; V06CT39A005https://doi.org/10.1115/GT2013-95045

Abstract

View Articletitled, Synthetic Sound Source Generation for Acoustical Measurements in Turbomachines

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Topics: Acoustics , Turbomachinery , Design , Ducts , Excitation systems , Noise (Sound) , Turbines , Wind tunnels , Aircraft , Aircraft propulsion

Impact of Swirl on the Sensitivity of the Radial Mode Analysis in Turbomachinery

Juan D. Laguna, Michael Bartelt, Joerg R. Seume

GT 2013; V06CT39A006https://doi.org/10.1115/GT2013-95460

Abstract

View Articletitled, Impact of Swirl on the Sensitivity of the Radial Mode Analysis in Turbomachinery

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Topics: Turbomachinery , Flow (Dynamics) , Swirling flow , Delays , Errors , Sensitivity analysis , Sensors , Uncertainty , Acoustics , Computer simulation

Aerodynamic Origin of Rotor-Rotor Interaction Noise From Unducted Propulsors

Florian Danner, Christofer Kendall-Torry, Hans-Peter Kau

GT 2013; V06CT39A007https://doi.org/10.1115/GT2013-95572

Abstract

View Articletitled, Aerodynamic Origin of Rotor-Rotor Interaction Noise From Unducted Propulsors

PDF

Topics: Noise (Sound) , Rotors , Blades , Computer simulation , Emissions , Fans , Flow (Dynamics) , Navier-Stokes equations , Pressure , Propulsion systems

Experimental Investigation of the Noise Generation and Propagation for Different Turning Mid Turbine Frame Setups in a Two-Stage Two-Spool Test Turbine

C. Faustmann, D. Lengani, R. Spataro, A. Marn, E. Göttlich, F. Heitmeir

GT 2013; V06CT39A008https://doi.org/10.1115/GT2013-95698

Abstract

View Articletitled, Experimental Investigation of the Noise Generation and Propagation for Different Turning Mid Turbine Frame Setups in a Two-Stage Two-Spool Test Turbine

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Topics: Noise (Sound) , Turbines , Turning , Acoustics , Flow (Dynamics) , Microphone arrays , Microphones , Pressure , Acoustic emissions , Aerodynamics

Radial Turbomachinery Aerodynamics

Numerical Characterization of Swirl Brakes for High Pressure Centrifugal Compressors

Riccardo Da Soghe, Mirko Micio, Antonio Andreini, Bruno Facchini, Luca Innocenti, Alberto Ceccherini

GT 2013; V06CT40A001https://doi.org/10.1115/GT2013-94075

Abstract

View Articletitled, Numerical Characterization of Swirl Brakes for High Pressure Centrifugal Compressors

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Topics: Brakes , Compressors , High pressure (Physics) , Stability , Chords (Trusses) , Computational fluid dynamics , Design , Fluid dynamics , Impellers , Machinery

A Compact Diffuser and Scroll for a Centrifugal Compressor

Colin Rodgers, Daniel Brown, Robert Thompson

GT 2013; V06CT40A002https://doi.org/10.1115/GT2013-94080

Abstract

View Articletitled, A Compact Diffuser and Scroll for a Centrifugal Compressor

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Topics: Compressors , Diffusers , Design , Stress , Flow (Dynamics) , Generators , Air conditioning , Computational fluid dynamics , Electricity (Physics) , Engine start-up

Compressor Housing Design for Small Turbocharger Compressors

Hua Chen, Penny Li

GT 2013; V06CT40A003https://doi.org/10.1115/GT2013-94250

Abstract

View Articletitled, Compressor Housing Design for Small Turbocharger Compressors

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Topics: Compressors , Design , Turbochargers , Manufacturing , Computational fluid dynamics , Geometry , Rotors , Automobiles , Computer-aided design , Engineering simulation

Effect of Different Geometrical Inlet Pipes on a High Speed Centrifugal Compressor

Ce Yang, Ben Zhao, C. C. Ma, Dazhong Lao, Mi Zhou

GT 2013; V06CT40A004https://doi.org/10.1115/GT2013-94254

Abstract

View Articletitled, Effect of Different Geometrical Inlet Pipes on a High Speed Centrifugal Compressor

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Topics: Compressors , Pipes , Pressure , Flow (Dynamics) , Rotors , Turbomachinery , Unsteady flow

Assessing 1D Loss Models for the Off-Design Performance Prediction of Automotive Turbocharger Compressors

Peter Harley, Stephen Spence, Dietmar Filsinger, Michael Dietrich, Juliana Early

GT 2013; V06CT40A005https://doi.org/10.1115/GT2013-94262

Abstract

View Articletitled, Assessing 1D Loss Models for the Off-Design Performance Prediction of Automotive Turbocharger Compressors

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Topics: Compressors , Design , Turbochargers , Computational fluid dynamics , Engineering simulation , Errors , Geometry , Impellers , Modeling , Pressure

Stability Improvement of Turbocharger Centrifugal Compressor by Asymmetric Vaneless Diffuser Treatment

Xinqian Zheng, Yun Lin, Weilin Zhuge, Yangjun Zhang, Hideaki Tamaki, Tomoki Kawakubo

GT 2013; V06CT40A006https://doi.org/10.1115/GT2013-94705

Abstract

View Articletitled, Stability Improvement of Turbocharger Centrifugal Compressor by Asymmetric Vaneless Diffuser Treatment

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Topics: Compressors , Stability , Turbochargers , Vaneless diffusers , Diffusers , Flow (Dynamics) , Design , Pressure , Computer simulation , Engineering prototypes

Study on the Controlling of Flow Separation Zone Near Unshrouded Impeller Exit for Centrifugal Compressors

Guang Xi, Xuechen Li, Wuqi Gong

GT 2013; V06CT40A007https://doi.org/10.1115/GT2013-94792

Abstract

View Articletitled, Study on the Controlling of Flow Separation Zone Near Unshrouded Impeller Exit for Centrifugal Compressors

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Topics: Compressors , Flow separation , Impellers , Diffusers , Flow (Dynamics) , Separation (Technology) , Blades , Design , Shrinkage (Materials) , Rotation

Low-Flow-Coefficient Centrifugal Compressor Design for Supercritical CO₂

C. Lettieri, N. Baltadjiev, M. Casey, Z. Spakovszky

GT 2013; V06CT40A008https://doi.org/10.1115/GT2013-95012

Abstract

View Articletitled, Low-Flow-Coefficient Centrifugal Compressor Design for Supercritical CO<sub>2</sub>

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Topics: Compressors , Design , Flow (Dynamics) , Supercritical carbon dioxide , Impellers , Diffusers , Carbon capture and storage , Tertiary petroleum recovery , Vaneless diffusers , Vortex shedding

Radial Turbine Rotor Response to Pulsating Inlet Flows

Teng Cao, Liping Xu, Mingyang Yang, Ricardo F. Martinez-Botas

GT 2013; V06CT40A009https://doi.org/10.1115/GT2013-95182

Abstract

View Articletitled, Radial Turbine Rotor Response to Pulsating Inlet Flows

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Topics: Flow (Dynamics) , Rotors , Turbines , Cycles , Waves , Numerical analysis , Pulsatile flow , Design , Pressure , Transients (Dynamics)

Inlet Duct Treatment for Stability Improvement on a High Pressure Ratio Centrifugal Compressor

Mingyang Yang, Ricardo Martinez-Botas, Yangjun Zhang

GT 2013; V06CT40A010https://doi.org/10.1115/GT2013-95189

Abstract

View Articletitled, Inlet Duct Treatment for Stability Improvement on a High Pressure Ratio Centrifugal Compressor

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Topics: Compressors , Ducts , High pressure (Physics) , Stability , Flow (Dynamics) , Flow control , Blades , Computational fluid dynamics , Inlet guide vanes , Internal combustion engines

Effect of Circumferential Static Pressure Non-Uniformity Caused by a Volute on Flow in High Pressure Ratio Centrifugal Compressor With Vaneless and Vaned Diffuser

Hideaki Tamaki, Masaru Unno, Xinqian Zheng, Yangjun Zhang

GT 2013; V06CT40A011https://doi.org/10.1115/GT2013-95263

Abstract

View Articletitled, Effect of Circumferential Static Pressure Non-Uniformity Caused by a Volute on Flow in High Pressure Ratio Centrifugal Compressor With Vaneless and Vaned Diffuser

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Topics: Compressors , Diffusers , Flow (Dynamics) , High pressure (Physics) , Pressure , Impellers , Turbochargers , Vaneless diffusers , Surges , Blades

Improvement of a Theoretical Analysis Method for Tesla Turbines

Qinghua Deng, Wenjiao Qi, Zhenping Feng

GT 2013; V06CT40A012https://doi.org/10.1115/GT2013-95425

Abstract

View Articletitled, Improvement of a Theoretical Analysis Method for Tesla Turbines

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Topics: Theoretical analysis , Turbines , Nozzles , Pressure , Rotors , Design methodology , Flow (Dynamics) , Computer simulation , Design , Disks

Numerical Investigation of the Unsteady Flow Inside a Centrifugal Compressor Stage With Pipe Diffuser

Daniel R. Grates, Peter Jeschke, Reinhard Niehuis

GT 2013; V06CT40A013https://doi.org/10.1115/GT2013-95465

Abstract

View Articletitled, Numerical Investigation of the Unsteady Flow Inside a Centrifugal Compressor Stage With Pipe Diffuser

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Topics: Compressors , Diffusers , Pipes , Unsteady flow , Computational fluid dynamics , Navier-Stokes equations

Experimental Study of Rotating Stall in Vaneless Diffuser of a Centrifugal Compressor

S. Ohuchida, T. Kawakubo, H. Tamaki

GT 2013; V06CT40A014https://doi.org/10.1115/GT2013-95468

Abstract

View Articletitled, Experimental Study of Rotating Stall in Vaneless Diffuser of a Centrifugal Compressor

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Topics: Compressors , Vaneless diffusers , Diffusers , Flow (Dynamics) , Pressure , Glass , Impellers , Resolution (Optics) , Rotation , Separation (Technology)

Experimental and Numerical Investigation of Losses in Centrifugal Compressor Components

Ali Asghar Doustmohammadi, Ali HajilouyBenisi, Mohammad Mojaddam

GT 2013; V06CT40A015https://doi.org/10.1115/GT2013-95500

Abstract

View Articletitled, Experimental and Numerical Investigation of Losses in Centrifugal Compressor Components

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Topics: Compressors , Design , Diffusers , Entropy , Impellers , Turbochargers , Flow (Dynamics) , Pressure drop

Special Challenges in the CFD Modeling of Transonic Turbo-Expanders

Filippo Rubechini, Michele Marconcini, Andrea Arnone, Alberto Scotti Del Greco, Roberto Biagi

GT 2013; V06CT40A016https://doi.org/10.1115/GT2013-95554

Abstract

View Articletitled, Special Challenges in the CFD Modeling of Transonic Turbo-Expanders

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Topics: Computational fluid dynamics , Modeling , Turbochargers , Nozzles , Design , Flow (Dynamics) , Wheels , Blades , Fluids , Geometry

Numerical Investigation of the Unsteady Interaction Within a Close-Coupled Centrifugal Compressor Used in an Aero Engine

Benjamin Wilkosz, Markus Zimmermann, Philipp Schwarz, Peter Jeschke, Caitlin Smythe

GT 2013; V06CT40A017https://doi.org/10.1115/GT2013-95644

Abstract

View Articletitled, Numerical Investigation of the Unsteady Interaction Within a Close-Coupled Centrifugal Compressor Used in an Aero Engine

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Topics: Aircraft engines , Compressors , Diffusers , Impellers , Pressure , Unsteady flow , Flow (Dynamics) , Jet propulsion , Numerical analysis , Aviation

Numerical and Experimental Comparison of a Tandem and Single Vane Deswirler Used in an Aero Engine Centrifugal Compressor

Benjamin Wilkosz, Johannes Schmidt, Christian Guenther, Philipp Schwarz, Peter Jeschke, Caitlin Smythe

GT 2013; V06CT40A018https://doi.org/10.1115/GT2013-95668

Abstract

View Articletitled, Numerical and Experimental Comparison of a Tandem and Single Vane Deswirler Used in an Aero Engine Centrifugal Compressor

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Topics: Aircraft engines , Compressors , Flow (Dynamics) , Design , Pressure , Boundary layers , Aviation , Blades , Chords (Trusses) , Collaboration

Aerodynamic Design and Analysis of Centrifugal Turbine Cascades

G. Persico, M. Pini, V. Dossena, P. Gaetani

GT 2013; V06CT40A019https://doi.org/10.1115/GT2013-95770

Abstract

View Articletitled, Aerodynamic Design and Analysis of Centrifugal Turbine Cascades

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Topics: Design , Turbines , Flow (Dynamics) , Organic Rankine cycle , Blades , Cascades (Fluid dynamics) , Aerodynamics , Architecture , Computational fluid dynamics , Deflection

Stationary Component Optimization and the Resultant Improvement in the Performance Characteristics of a Radial Compressor Stage

Syed Fakhri, James M. Sorokes, Clementine Vezier, Jorge E. Pacheco

GT 2013; V06CT40A020https://doi.org/10.1115/GT2013-95782

Abstract

View Articletitled, Stationary Component Optimization and the Resultant Improvement in the Performance Characteristics of a Radial Compressor Stage

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Topics: Boundary-value problems , Compressors , Computational fluid dynamics , Design , Diffusers , Flow (Dynamics) , Geometry , Instrumentation , Optimization , Performance characterization

Using Unsteady Analysis to Improve the Steady State CFD Assessment of Minimum Flow in a Radial Compressor Stage

Clementine Vezier, Michael Dollinger, James M. Sorokes, Jorge E. Pacheco

GT 2013; V06CT40A021https://doi.org/10.1115/GT2013-95790

Abstract

View Articletitled, Using Unsteady Analysis to Improve the Steady State CFD Assessment of Minimum Flow in a Radial Compressor Stage

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Topics: Compressors , Computational fluid dynamics , Flow (Dynamics) , Steady state , Diffusers , Impellers , Mach number , Modeling , Surges , Transients (Dynamics)

Performance Improvements of Centrifugal Compressors Through Shroud Cavity Leakage Management

A. M. Basol, R. S. Abhari

GT 2013; V06CT40A022https://doi.org/10.1115/GT2013-95809

Abstract

View Articletitled, Performance Improvements of Centrifugal Compressors Through Shroud Cavity Leakage Management

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Topics: Cavities , Compressors , Leakage , Ducts , Flow (Dynamics) , Design , Geometry , Pressure , Leakage flows , Mach number

Mild Hybridization via Electrification of the Air System: Electrically Assisted and Variable Geometry Turbocharging Impact on an Off-Road Diesel Engine

Nicola Terdich, Ricardo F. Martinez-Botas, Alessandro Romagnoli, Apostolos Pesiridis

GT 2013; V06CT40A023https://doi.org/10.1115/GT2013-95811

Abstract

View Articletitled, Mild Hybridization via Electrification of the Air System: Electrically Assisted and Variable Geometry Turbocharging Impact on an Off-Road Diesel Engine

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Topics: Diesel engines , Geometry , Roads , Engines , Turbochargers , Transients (Dynamics) , Turbines , Energy efficiency , Bearings , Brakes

A Method of Map Extrapolation for Unequal and Partial Admission in a Double Entry Turbine

Peter Newton, Alessandro Romagnoli, Ricardo Martinez-Botas, Colin Copeland, Martin Seiler

GT 2013; V06CT40A024https://doi.org/10.1115/GT2013-95815

Abstract

View Articletitled, A Method of Map Extrapolation for Unequal and Partial Admission in a Double Entry Turbine

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Topics: Turbines , Errors , Flow (Dynamics) , Gates (Closures) , Turbochargers , Wheels

Systematic One Zone Meanline Modelling of Centrifugal Compressors for Industrial Online Applications

Matteo Cicciotti, R. F. Martinez-Botas, Alessandro Romagnoli, Nina F. Thornhill, Stephanie Geist, Axel Schild

GT 2013; V06CT40A025https://doi.org/10.1115/GT2013-95821

Abstract

View Articletitled, Systematic One Zone Meanline Modelling of Centrifugal Compressors for Industrial Online Applications

PDF

Topics: Compressors , Modeling , Artificial neural networks , Boundary-value problems , Condition monitoring , Maintenance , Optimization , Polynomials , Pressure , Regression models

Assessment of Cycle Averaged Turbocharger Maps Through One Dimensional and Mean-Line Coupled Codes

Meng Soon Chiong, Srithar Rajoo, Aaron W. Costall, Wan Saiful-Islam Bin Wan Salim, Alessandro Romagnoli, Ricardo F. Martinez-Botas

GT 2013; V06CT40A026https://doi.org/10.1115/GT2013-95906

Abstract

View Articletitled, Assessment of Cycle Averaged Turbocharger Maps Through One Dimensional and Mean-Line Coupled Codes

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Topics: Cycles , Turbochargers , Engines , Turbines , Emissions , Flow (Dynamics) , Internal combustion engines , Modeling , Turbocharged engines , Carbon dioxide

Unsteady Flows in Turbomachinery

On the Unsteady Formation of Secondary Flow Inside a Rotating Turbine Blade Passage

C. M. Schneider, D. Schrack, M. Kuerner, M. G. Rose, S. Staudacher, Y. Guendogdu, U. Freygang

GT 2013; V06CT42A001https://doi.org/10.1115/GT2013-94091

Abstract

View Articletitled, On the Unsteady Formation of Secondary Flow Inside a Rotating Turbine Blade Passage

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Topics: Flow (Dynamics) , Turbine blades , Rotors , Turbines , Nozzle guide vanes , Pressure , Probes , Design , Engines , Mirrors

From Rotating Stall to Surge: A Shock Tube Mechanism

Paul Xiubao Huang, JianAn Yin

GT 2013; V06CT42A002https://doi.org/10.1115/GT2013-94128

Abstract

View Articletitled, From Rotating Stall to Surge: A Shock Tube Mechanism

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Topics: Shock tubes , Surges , Compressors , Cascades (Fluid dynamics) , Jet engines , Compression , Gas flow , Pressure , Transients (Dynamics) , Turbochargers

Inlet Condition Effects on the Tip Clearance Flow With Zonal Detached Eddy Simulation

William Riéra, Lionel Castillon, Julien Marty, Francis Leboeuf

GT 2013; V06CT42A003https://doi.org/10.1115/GT2013-94187

Abstract

View Articletitled, Inlet Condition Effects on the Tip Clearance Flow With Zonal Detached Eddy Simulation

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Topics: Clearances (Engineering) , Eddies (Fluid dynamics) , Flow (Dynamics) , Simulation , Leakage , Rotors , Computation , Vortices , Inlet guide vanes , Compressors

Application of the Surge Model to Radial Compressor System Cycle Optimization

Viktor Kilchyk, Ahmed Abdelwahab, Andrew Rosinski

GT 2013; V06CT42A004https://doi.org/10.1115/GT2013-94222

Abstract

View Articletitled, Application of the Surge Model to Radial Compressor System Cycle Optimization

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Topics: Compressors , Cycles , Optimization , Surges , Design , Flow (Dynamics) , Boundary-value problems , Compressibility , Energy consumption , Heat transfer

Unsteady Work Processes Within a Low Pressure Turbine Vane Passage

Martin Marx, Martin Lipfert, Martin G. Rose, Stephan Staudacher, Detlef Korte

GT 2013; V06CT42A005https://doi.org/10.1115/GT2013-94234

Abstract

View Articletitled, Unsteady Work Processes Within a Low Pressure Turbine Vane Passage

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Topics: Pressure , Turbines , Wakes , Fluctuations (Physics) , Fluids , Stators , Aircraft engines , Aircraft propulsion , Computational fluid dynamics , Design

The Role of Density Gradient in Species Migration and Secondary Flow Structures in Axial Flow Turbines

Xin Zou, Xin Yuan, W. N. Dawes

GT 2013; V06CT42A006https://doi.org/10.1115/GT2013-94235

Abstract

View Articletitled, The Role of Density Gradient in Species Migration and Secondary Flow Structures in Axial Flow Turbines

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Topics: Axial flow , Density , Flow (Dynamics) , Turbines , Heat transfer , Rotors , Torque , Combustion chambers , Unsteady flow , Vortices

Effects of Blade Counts and Clocking on the Unsteady Profile Pressure Distribution in an Axial-Radial Combined Compressor

Ben Zhao, Ce Yang, Liangjun Hu, Dazhong Lao

GT 2013; V06CT42A007https://doi.org/10.1115/GT2013-94251

Abstract

View Articletitled, Effects of Blade Counts and Clocking on the Unsteady Profile Pressure Distribution in an Axial-Radial Combined Compressor

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Topics: Blades , Compressors , Pressure , Rotors , Fluctuations (Physics) , Stators , Computer simulation

Investigation of Wake Induced Transition in Low-Pressure Turbines Using Large Eddy Simulation

V. Nagabhushana Rao, P. G. Tucker, R. J. Jefferson-Loveday, J. D. Coull

GT 2013; V06CT42A008https://doi.org/10.1115/GT2013-94418

Abstract

View Articletitled, Investigation of Wake Induced Transition in Low-Pressure Turbines Using Large Eddy Simulation

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Topics: Large eddy simulation , Pressure , Turbines , Wakes , Blades , Flat plates , Surface roughness , Turbulence , Bubbles , Flow (Dynamics)

Shock Induced Vortices in Transonic Compressors: Physical Interpretations

Henry Knobbe, Eberhard Nicke, Christian Cornelius

GT 2013; V06CT42A009https://doi.org/10.1115/GT2013-94453

Abstract

View Articletitled, Shock Induced Vortices in Transonic Compressors: Physical Interpretations

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Topics: Compressors , Shock (Mechanics) , Vortices , Uncertainty , Aerodynamics , Blades , Design , Engineering design processes , Flow (Dynamics) , Physics

Experimental and Numerical Investigation of Near-Tip Flow Field in an Axial Flow Compressor Rotor: Part I — Flow Characteristics at Stable Operating Conditions

Yanhui Wu, Junfeng Wu, Haoguang Zhang, Wuli Chu

GT 2013; V06CT42A010https://doi.org/10.1115/GT2013-94479

Abstract

View Articletitled, Experimental and Numerical Investigation of Near-Tip Flow Field in an Axial Flow Compressor Rotor: Part I — Flow Characteristics at Stable Operating Conditions

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Topics: Axial flow , Flow (Dynamics) , Rotors , Fourier transforms , Pressure , Signals , Annulus , Blades , Compressors , Databases

Experimental and Numerical Investigation of Near-Tip Flow Field in an Axial Flow Compressor Rotor: Part II — Flow Characteristics at Stall Inception Condition

Yanhui Wu, Junfeng Wu, Haoguang Zhang, Wuli Chu

GT 2013; V06CT42A011https://doi.org/10.1115/GT2013-94480

Abstract

View Articletitled, Experimental and Numerical Investigation of Near-Tip Flow Field in an Axial Flow Compressor Rotor: Part II — Flow Characteristics at Stall Inception Condition

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Topics: Axial flow , Flow (Dynamics) , Rotors , Stall inception , Pressure , Signals , Simulation , Annulus , Clearances (Engineering) , Compressors

Evolution of Pressure Signature Dominated by Unsteady Tip Leakage Flow

Shaojuan Geng, Xiaoyu Zhang, Jichao Li, Long Zhao, Hongwu Zhang, Chaoqun Nie

GT 2013; V06CT42A012https://doi.org/10.1115/GT2013-94523

Abstract

View Articletitled, Evolution of Pressure Signature Dominated by Unsteady Tip Leakage Flow

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Topics: Leakage flows , Pressure , Compressors , Rotors , Blades , Chords (Trusses) , Signals , Electromagnetic spectrum , Fast Fourier transforms , Filters

Validation of Large-Eddy Simulation for the Prediction of Compressible Flow in an Axial Compressor Stage

Nicolas Gourdain

GT 2013; V06CT42A013https://doi.org/10.1115/GT2013-94550

Abstract

View Articletitled, Validation of Large-Eddy Simulation for the Prediction of Compressible Flow in an Axial Compressor Stage

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Topics: Compressible flow , Compressors , Large eddy simulation , Rotors , Stators , Turbulence , Flow (Dynamics) , Blades , Boundary layers , Physics

Unsteady Simulation of a Two-Stage Cooled High Pressure Turbine Using an Efficient Non-Linear Harmonic Balance Method

Venkataramanan Subramanian, Chad H. Custer, Jonathan M. Weiss, Kenneth C. Hall

GT 2013; V06CT42A014https://doi.org/10.1115/GT2013-94574

Abstract

View Articletitled, Unsteady Simulation of a Two-Stage Cooled High Pressure Turbine Using an Efficient Non-Linear Harmonic Balance Method

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Topics: High pressure (Physics) , Simulation , Turbines , Blades , Algorithms , Unsteady flow , Cascades (Fluid dynamics) , Simulation results , Turbine blades , Turbomachinery

Forcing of Separation Bubbles by Main Flow Unsteadiness or Pulsed Vortex Generating Jets: A Comparison

Christoph Lyko, Jerrit Dähnert, Dieter Peitsch

GT 2013; V06CT42A015https://doi.org/10.1115/GT2013-94575

Abstract

View Articletitled, Forcing of Separation Bubbles by Main Flow Unsteadiness or Pulsed Vortex Generating Jets: A Comparison

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Topics: Bubbles , Flow (Dynamics) , Jets , Separation (Technology) , Vortices , Reynolds number , Pressure , Turbines , Blades , Boundary layers

Experimental and Computational Analysis of a Multistage Axial Compressor Including Stall Prediction by Steady and Transient CFD Methods

Christian Cornelius, Thomas Biesinger, Paul Galpin, André Braune

GT 2013; V06CT42A016https://doi.org/10.1115/GT2013-94639

Abstract

View Articletitled, Experimental and Computational Analysis of a Multistage Axial Compressor Including Stall Prediction by Steady and Transient CFD Methods

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Topics: Compressors , Computational fluid dynamics , Transients (Dynamics) , Simulation , Blades , Computer simulation , Design , Errors , Flow (Dynamics) , Stall inception

Study on the Influence of Total Pressure Distortion on End Wall Flow Field in a Supersonic Compressor

Peng Sun, Haiyang Gao, Jingjun Zhong, Muxiao Yang

GT 2013; V06CT42A017https://doi.org/10.1115/GT2013-94729

Abstract

View Articletitled, Study on the Influence of Total Pressure Distortion on End Wall Flow Field in a Supersonic Compressor

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Topics: Compressors , Flow (Dynamics) , Pressure , Rotors , Stators , Corners (Structural elements) , Separation (Technology) , Shock waves , Cycles , Dynamic response

Effects of Unsteady Wakes on the Secondary Flows in the Linear T106 Turbine Cascade

Roberto Ciorciari, Ilker Kirik, Reinhard Niehuis

GT 2013; V06CT42A018https://doi.org/10.1115/GT2013-94768

Abstract

View Articletitled, Effects of Unsteady Wakes on the Secondary Flows in the Linear T106 Turbine Cascade

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Wakes , Blades , Airfoils , Boundary layers , Flow turning , High pressure (Physics) , Pressure

Performance Estimation of a Turbine Under Partial-Admission and Flow Pulsation Conditions at Inlet

Ron Ho Ni, William Humber, Michael Ni, Rolf Sondergaard, Mike Ooten

GT 2013; V06CT42A019https://doi.org/10.1115/GT2013-94811

Abstract

View Articletitled, Performance Estimation of a Turbine Under Partial-Admission and Flow Pulsation Conditions at Inlet

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Topics: Flow (Dynamics) , Turbines , Entropy , Pressure , Rotors , Temperature , Flow simulation , Fluids

The Nonlinear Harmonic Method Applied to the Combined Effects of Multi-Row Unsteady Flows

S. Vilmin, E. Lorrain, F. Debrabandere, B. Tartinville, A. Capron, Ch. Hirsch

GT 2013; V06CT42A020https://doi.org/10.1115/GT2013-94847

Abstract

View Articletitled, The Nonlinear Harmonic Method Applied to the Combined Effects of Multi-Row Unsteady Flows

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Topics: Unsteady flow , Rotors , Stators , Blades , Engines , Flow (Dynamics) , Machinery , Modeling

Towards Massively Parallel Large Eddy Simulation of Turbine Stages

Gaofeng Wang, Dimitrios Papadogiannis, Florent Duchaine, Nicolas Gourdain, Laurent Y. M. Gicquel

GT 2013; V06CT42A021https://doi.org/10.1115/GT2013-94852

Abstract

View Articletitled, Towards Massively Parallel Large Eddy Simulation of Turbine Stages

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Topics: Large eddy simulation , Turbines , Rotors , Stators , Simulation , Computational fluid dynamics , Flow (Dynamics) , Gas turbines , Turbomachinery , Acoustics

Stator Wake Research in Axial-Radial Combined Compressor With Inlet Distortion

Du Li, Dazhong Lao, Ben Zhao, Ce Yang

GT 2013; V06CT42A022https://doi.org/10.1115/GT2013-94885

Abstract

View Articletitled, Stator Wake Research in Axial-Radial Combined Compressor With Inlet Distortion

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Topics: Compressors , Stators , Wakes , Rotors , Flow (Dynamics) , Pressure , Arches , Blades , Engines , Oscillations

On Inflow Distortion Decay in the Blade Cascades

Vladimir Vassiliev, Wolfgang Kappis, Andrey Granovsky, Vladimir Shchaulov

GT 2013; V06CT42A023https://doi.org/10.1115/GT2013-94912

Abstract

View Articletitled, On Inflow Distortion Decay in the Blade Cascades

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Topics: Blades , Inflow , Turbines , Compressors , Turbomachinery , Engineering design processes , Engines , Flow (Dynamics) , Inlet guide vanes , Nozzle guide vanes

Unsteady Effects of a Generic Non-Axisymmetric Endwall Contour on the Rotor of a 1½ Stage Low Speed Turbine Test Rig

Dwain Dunn, Glen Snedden, Theodor von Backström, Mthobisi P. Mdluli

GT 2013; V06CT42A024https://doi.org/10.1115/GT2013-94961

Abstract

View Articletitled, Unsteady Effects of a Generic Non-Axisymmetric Endwall Contour on the Rotor of a 1½ Stage Low Speed Turbine Test Rig

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Topics: Rotors , Turbines , Flow (Dynamics) , Blades , Computational fluid dynamics , Gas turbines , Leakage flows , Oscillations , Probes , Steady state

Efficient Computation of Large Pitch Ratio Transonic Flow in a Fan With Inlet Distortion

Gaurav Sharma, Laith Zori, Stuart Connell, Philippe Godin

GT 2013; V06CT42A025https://doi.org/10.1115/GT2013-95059

Abstract

View Articletitled, Efficient Computation of Large Pitch Ratio Transonic Flow in a Fan With Inlet Distortion

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Topics: Computation , Transonic flow , Annulus , Blades , Pressure , Aircraft engines , Boundary-value problems , Dynamics (Mechanics) , Flow (Dynamics) , Fourier transforms

Experimental Investigation on Aerodynamic Unsteadiness in a Full Scale Gas Turbine Midframe Sector

Matthew J. Golsen, Jahed Hossain, Anthony Bravato, John Harrington, Joshua Bernstein, Srikrishna Mahadevan, J. S. Kapat, José Rodriguez

GT 2013; V06CT42A026https://doi.org/10.1115/GT2013-95128

Abstract

View Articletitled, Experimental Investigation on Aerodynamic Unsteadiness in a Full Scale Gas Turbine Midframe Sector

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Topics: Gas turbines , Flow (Dynamics) , Diffusers , Compressors , Accelerometers , Combustion , Combustion chambers , Geometry , Mach number , Microphones

Simulation of Transitional Flow on Low Pressure Turbine Blade With Unsteady Downstream Potential Interaction

Can Ma, Xin Yuan

GT 2013; V06CT42A027https://doi.org/10.1115/GT2013-95208

Abstract

View Articletitled, Simulation of Transitional Flow on Low Pressure Turbine Blade With Unsteady Downstream Potential Interaction

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Topics: Flow (Dynamics) , Pressure , Simulation , Turbine blades , Blades , Boundary layers , Chords (Trusses) , Mach number , Cascades (Fluid dynamics) , Compressibility

Study of Shock/Blade Tip Leakage Vortex/Boundary Layer Interaction in a Transonic Rotor With IDDES Method

Ke Shi, Song Fu

GT 2013; V06CT42A028https://doi.org/10.1115/GT2013-95252

Abstract

View Articletitled, Study of Shock/Blade Tip Leakage Vortex/Boundary Layer Interaction in a Transonic Rotor With IDDES Method

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Topics: Blades , Boundary layers , Leakage , Rotors , Shock (Mechanics) , Vortices , Flow (Dynamics) , Shock waves , Separation (Technology) , Bubbles

Unsteady Analysis on the Effects of Tip Clearance Height on Hot Streak Migration Across Rotor Blade Tip Clearance

Zhaofang Liu, Zhao Liu, Zhenping Feng

GT 2013; V06CT42A029https://doi.org/10.1115/GT2013-95255

Abstract

View Articletitled, Unsteady Analysis on the Effects of Tip Clearance Height on Hot Streak Migration Across Rotor Blade Tip Clearance

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Topics: Blades , Clearances (Engineering) , Rotors , Gas turbines , Leakage flows , Boundary-value problems , Flow (Dynamics) , Geometry , Heat transfer , High pressure (Physics)

Use of POD Method to Elucidate the Physics of Unsteady Micro-Pulsed-Jet Flow for Boundary Layer Flow Separation Control

Jianfeng Zhu, Guoping Huang, Xin Fu, Yong Fu, Haibin Yu

GT 2013; V06CT42A030https://doi.org/10.1115/GT2013-95266

Abstract

View Articletitled, Use of POD Method to Elucidate the Physics of Unsteady Micro-Pulsed-Jet Flow for Boundary Layer Flow Separation Control

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Topics: Boundary layers , Flow (Dynamics) , Flow separation , Physics , Separation (Technology) , Vortices , Cascades (Fluid dynamics) , Compressors , Principal component analysis , Unsteady flow

Unsteady Simulation and Analysis on Centrifugal Impeller With Self-Adaptive Casing Treatment

Tong Wang, Wei Wang, Chuangang Gu

GT 2013; V06CT42A031https://doi.org/10.1115/GT2013-95335

Abstract

View Articletitled, Unsteady Simulation and Analysis on Centrifugal Impeller With Self-Adaptive Casing Treatment

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Topics: Impellers , Simulation , Flow (Dynamics) , Pressure , Boundary-value problems , Compressors , Computer simulation , Diffusers , Gates (Closures) , Numerical analysis

Measurements and Visualization of Process From Steady State to Stall in an Axial Compressor With Water Ingestion

Le Liu, Hongwei Zhang, Jichao Li, Chenghai Yu, Feng Lin, Chaoqun Nie

GT 2013; V06CT42A032https://doi.org/10.1115/GT2013-95352

Abstract

View Articletitled, Measurements and Visualization of Process From Steady State to Stall in an Axial Compressor With Water Ingestion

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Topics: Compressors , Steady state , Visualization , Water , Flow (Dynamics) , Pressure , Air flow , Drops , Stall inception , Transparency

The Dynamics of Prestall Process in an Axial Low-Speed Compressor With Single Circumferential Casing Groove

Juan Du, Le Liu, Xi Nan, Feng Lin, Jingyi Chen, Chaoqun Nie

GT 2013; V06CT42A033https://doi.org/10.1115/GT2013-95432

Abstract

View Articletitled, The Dynamics of Prestall Process in an Axial Low-Speed Compressor With Single Circumferential Casing Groove

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Topics: Compressors , Dynamics (Mechanics) , Flow (Dynamics) , Rotors , Fracture toughness , Leakage flows , Stall inception , Waves

Impact of Hub Clearance on Endwall Flow in a Highly Loaded Axial Compressor Stator

Christian Beselt, Dieter Peitsch, Ruben van Rennings, Frank Thiele

GT 2013; V06CT42A034https://doi.org/10.1115/GT2013-95463

Abstract

View Articletitled, Impact of Hub Clearance on Endwall Flow in a Highly Loaded Axial Compressor Stator

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Topics: Clearances (Engineering) , Compressors , Flow (Dynamics) , Stators , Blades , Chords (Trusses) , Computation , Computer simulation

Effects of Tip Clearance on the Stall Inception Process in an Axial Compressor Rotor

Kazutoyo Yamada, Hiroaki Kikuta, Masato Furukawa, Satoshi Gunjishima, Yasunori Hara

GT 2013; V06CT42A035https://doi.org/10.1115/GT2013-95479

Abstract

View Articletitled, Effects of Tip Clearance on the Stall Inception Process in an Axial Compressor Rotor

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Topics: Clearances (Engineering) , Compressors , Rotors , Stall inception , Vortices , Pressure , Flow (Dynamics) , Leakage , Separation (Technology) , Blades

Nonlinear Harmonic Simulations of the Unsteady Aerodynamics of a Fan Stage Section at Windmill

Guillaume Dufour, Xavier Carbonneau, Nicolás García Rosa

GT 2013; V06CT42A036https://doi.org/10.1115/GT2013-95485

Abstract

View Articletitled, Nonlinear Harmonic Simulations of the Unsteady Aerodynamics of a Fan Stage Section at Windmill

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Topics: Aerodynamics , Engineering simulation , Simulation , Rotors , Stators , Wakes , Flow (Dynamics) , Unsteady flow , Fourier series , Separation (Technology)

Extended Turbomachinery Aeromechanical Model

Artyom Romanov, Luca Di Mare

GT 2013; V06CT42A037https://doi.org/10.1115/GT2013-95667

Abstract

View Articletitled, Extended Turbomachinery Aeromechanical Model

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Topics: Turbomachinery , Geometry , Design , Engineering simulation , Flutter (Aerodynamics) , Simulation , Actuators , Blades , Boundary-value problems , Chords (Trusses)

Numerical Investigation of Rotor-Stator Interaction in a High-Bypass Ratio Fan Stage

Zhong Yang, Hengliang Wang, Jiachao Yan, Xiangyang Deng

GT 2013; V06CT42A038https://doi.org/10.1115/GT2013-95671

Abstract

View Articletitled, Numerical Investigation of Rotor-Stator Interaction in a High-Bypass Ratio Fan Stage

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Topics: Rotors , Stators , Inlet guide vanes , Blades , Ducts , Pressure , Computation , Compressors , Design , Engineering simulation

Unsteady Flow Modeling Using Transient Rotor–Stator Interface

Rudolf A. Izmaylov, Henry D. Lopulalan, Gertruida S. Norimarna

GT 2013; V06CT42A039https://doi.org/10.1115/GT2013-95788

Abstract

View Articletitled, Unsteady Flow Modeling Using Transient Rotor–Stator Interface

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Topics: Modeling , Rotors , Stators , Transients (Dynamics) , Unsteady flow , Diffusers , Compressors , Flow (Dynamics) , Impellers , Turbulence

The Effect of Surface Roughness on Laminar Separated Boundary Layers

Mark P. Simens, Ayse G. Gungor

GT 2013; V06CT42A040https://doi.org/10.1115/GT2013-95810

Abstract

View Articletitled, The Effect of Surface Roughness on Laminar Separated Boundary Layers

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Topics: Boundary layers , Surface roughness , Separation (Technology) , Bubbles , Turbulence , Wakes , Computer simulation , Flat plates , Flow (Dynamics) , Pressure

Rotating Instability in an Annular Cascade: Detailed Analysis of the Instationary Flow Phenomena

Benjamin Pardowitz, Ulf Tapken, Robert Sorge, Paul Uwe Thamsen, Lars Enghardt

GT 2013; V06CT42A041https://doi.org/10.1115/GT2013-95820

Abstract

View Articletitled, Rotating Instability in an Annular Cascade: Detailed Analysis of the Instationary Flow Phenomena

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Pressure , Clearances (Engineering) , Unsteady flow , Waves , Blades , Compressors , Design , Noise (Sound)

Effects of Periodic Unsteadiness on Secondary Flows in High Pressure Turbine Passages

Ralph J. Volino, Christopher D. Galvin, Mounir B. Ibrahim

GT 2013; V06CT42A042https://doi.org/10.1115/GT2013-95881

Abstract

View Articletitled, Effects of Periodic Unsteadiness on Secondary Flows in High Pressure Turbine Passages

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Topics: Flow (Dynamics) , High pressure (Physics) , Turbines , Wakes , Pressure , Airfoils , Cascades (Fluid dynamics) , Reynolds number , Boundary layers , Rods

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