Volume 132 Issue 1 | J. Turbomach. | ASME Digital Collection

Research Papers

Influence of Thermodynamic Models in Two-Dimensional Flow Simulations of Turboexpanders

John Harinck, P. Colonna, A. Guardone, S. Rebay

J. Turbomach. January 2010, 132(1): 011001. doi: https://doi.org/10.1115/1.3192146

View articletitled, Influence of Thermodynamic Models in Two-Dimensional Flow Simulations of Turboexpanders

Topics: Blades , Density , Errors , Flow (Dynamics) , Fluids , Mach number , Pressure , Simulation , Steam , Temperature

Experimental and Numerical Investigation of Impingement Cooling in a Combustor Liner Heat Shield

Sebastian Spring, Diane Lauffer, Bernhard Weigand, Matthias Hase

J. Turbomach. January 2010, 132(1): 011003. doi: https://doi.org/10.1115/1.3103924

Abstract

View articletitled, Experimental and Numerical Investigation of Impingement Cooling in a Combustor Liner Heat Shield

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Topics: Combustion chambers , Computational fluid dynamics , Flow (Dynamics) , Heat shielding , Heat transfer , Heat transfer coefficients , Impingement cooling , Reynolds number , Temperature , Jets

Transition Mechanisms in Separation Bubbles Under Low- and Elevated-Freestream Turbulence

Brian R. McAuliffe, Metin I. Yaras

J. Turbomach. January 2010, 132(1): 011004. doi: https://doi.org/10.1115/1.2812949

Abstract

View articletitled, Transition Mechanisms in Separation Bubbles Under Low- and Elevated-Freestream Turbulence

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Topics: Boundary layers , Bubbles , Separation (Technology) , Shear (Mechanics) , Turbulence , Simulation , Flow (Dynamics) , Vortices

Tip Clearance Effects on Inlet Hot Streak Migration Characteristics in High Pressure Stage of a Vaneless Counter-Rotating Turbine

Zhao Qingjun, Du Jianyi, Wang Huishe, Zhao Xiaolu, Xu Jianzhong

J. Turbomach. January 2010, 132(1): 011005. doi: https://doi.org/10.1115/1.3103925

Abstract

View articletitled, Tip Clearance Effects on Inlet Hot Streak Migration Characteristics in High Pressure Stage of a Vaneless Counter-Rotating Turbine

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Topics: Blades , Clearances (Engineering) , Flow (Dynamics) , Pressure , Rotors , Temperature , Turbines , High pressure (Physics) , Fluids , Suction

Aerodynamic Asymmetry Analysis of Unsteady Flows in Turbomachinery

Kivanc Ekici, Robert E. Kielb, Kenneth C. Hall

J. Turbomach. January 2010, 132(1): 011006. doi: https://doi.org/10.1115/1.3103922

Abstract

View articletitled, Aerodynamic Asymmetry Analysis of Unsteady Flows in Turbomachinery

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Topics: Blades , Turbomachinery , Unsteady flow , Aerodynamics

Separated Flow Measurements on a Highly Loaded Low-Pressure Turbine Airfoil

Ralph J. Volino

J. Turbomach. January 2010, 132(1): 011007. doi: https://doi.org/10.1115/1.3104608

Abstract

View articletitled, Separated Flow Measurements on a Highly Loaded Low-Pressure Turbine Airfoil

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Topics: Airfoils , Boundary layers , Bubbles , Pressure , Reynolds number , Separation (Technology) , Suction , Turbines , Turbulence , Cascades (Fluid dynamics)

Analytical and Numerical Simulations of the Two-Phase Flow Heat Transfer in the Vent and Scavenge Pipes of the CLEAN Engine Demonstrator

Michael Flouros

J. Turbomach. January 2010, 132(1): 011008. doi: https://doi.org/10.1115/1.3068331

Abstract

View articletitled, Analytical and Numerical Simulations of the Two-Phase Flow Heat Transfer in the Vent and Scavenge Pipes of the CLEAN Engine Demonstrator

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Topics: Engines , Flow (Dynamics) , Heat transfer , Pipes , Two-phase flow , Vents , Temperature , Computational fluid dynamics , Bearings

Aerothermal Investigation of a Rib-Roughened Trailing Edge Channel With Crossing-Jets—Part I: Flow Field Analysis

Alessandro Armellini, Filippo Coletti, Tony Arts, Christophe Scholtes

J. Turbomach. January 2010, 132(1): 011009. doi: https://doi.org/10.1115/1.3103929

Abstract

View articletitled, Aerothermal Investigation of a Rib-Roughened Trailing Edge Channel With Crossing-Jets—Part I: Flow Field Analysis

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Topics: Flow (Dynamics) , Jets , Flow visualization

Experimental and Computational Fluid Dynamics Based Determination of Flutter Limits in Supersonic Space Turbines

Pieter Groth, Hans Mårtensson, Niklas Edin

J. Turbomach. January 2010, 132(1): 011010. doi: https://doi.org/10.1115/1.3072491

Abstract

View articletitled, Experimental and Computational Fluid Dynamics Based Determination of Flutter Limits in Supersonic Space Turbines

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Topics: Computational fluid dynamics , Damping , Flutter (Aerodynamics) , Pressure , Turbines , Flow (Dynamics) , Rotors , Blades

Optimization of Nonaxisymmetric Endwalls in Compressor S-Shaped Ducts

Edward M. J. Naylor, Cecilia Ortiz Dueñas, Robert J. Miller, Howard P. Hodson

J. Turbomach. January 2010, 132(1): 011011. doi: https://doi.org/10.1115/1.3103927

Abstract

View articletitled, Optimization of Nonaxisymmetric Endwalls in Compressor S-Shaped Ducts

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Topics: Design , Ducts , Optimization , Struts (Engineering) , Pressure , Compressors , Separation (Technology) , Flow (Dynamics) , Corners (Structural elements)

Design and Experimental Verification of Mistuning of a Supersonic Turbine Blisk

Pieter Groth, Hans Mårtensson, Clas Andersson

J. Turbomach. January 2010, 132(1): 011012. doi: https://doi.org/10.1115/1.3072492

Abstract

View articletitled, Design and Experimental Verification of Mistuning of a Supersonic Turbine Blisk

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Topics: Blades , Design , Flutter (Aerodynamics) , Rotors , Turbines , Separation (Technology) , Damping

Measurements of Secondary Losses in a Turbine Cascade With the Implementation of Nonaxisymmetric Endwall Contouring

D. C. Knezevici, S. A. Sjolander, T. J. Praisner, E. Allen-Bradley, E. A. Grover

J. Turbomach. January 2010, 132(1): 011013. doi: https://doi.org/10.1115/1.3072520

Abstract

View articletitled, Measurements of Secondary Losses in a Turbine Cascade With the Implementation of Nonaxisymmetric Endwall Contouring

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Topics: Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Flow visualization , Kinetic energy , Pressure , Suction , Turbines , Vortices , Probes

Investigation of Loss Generation in an Embedded Transonic Fan Stage at Several Gaps Using High-Fidelity, Time-Accurate Computational Fluid Dynamics

Michael G. List, Steven E. Gorrell, Mark G. Turner

J. Turbomach. January 2010, 132(1): 011014. doi: https://doi.org/10.1115/1.3072522

Abstract

View articletitled, Investigation of Loss Generation in an Embedded Transonic Fan Stage at Several Gaps Using High-Fidelity, Time-Accurate Computational Fluid Dynamics

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Topics: Blades , Computational fluid dynamics , Entropy , Flow (Dynamics) , Pressure , Rotors , Simulation , Vortices , Wakes , Shock (Mechanics)

Web-Based, Interactive Laboratory Experiment in Turbomachine Aerodynamics

Nalin Navarathna, Vitalij Fedulov, Andrew Martin, Torsten Fransson

J. Turbomach. January 2010, 132(1): 011015. doi: https://doi.org/10.1115/1.3106030

Abstract

View articletitled, Web-Based, Interactive Laboratory Experiment in Turbomachine Aerodynamics

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Topics: Aerodynamics , Blades , Cascades (Fluid dynamics) , Data acquisition , Pressure , Probes , Students , Turbomachinery , Stepper motors , User interfaces

Effects of Reynolds Number and Freestream Turbulence Intensity on the Unsteady Boundary Layer Development on an Ultra-High-Lift Low Pressure Turbine Airfoil

Xue Feng Zhang, Howard Hodson

J. Turbomach. January 2010, 132(1): 011016. doi: https://doi.org/10.1115/1.3106031

Abstract

View articletitled, Effects of Reynolds Number and Freestream Turbulence Intensity on the Unsteady Boundary Layer Development on an Ultra-High-Lift Low Pressure Turbine Airfoil

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Topics: Airfoils , Blades , Boundary layers , Flow (Dynamics) , Pressure , Reynolds number , Separation (Technology) , Suction , Turbines , Turbulence

Letterbox Trailing Edge Heat Transfer: Effects of Blowing Rate, Reynolds Number, and External Turbulence on Heat Transfer and Film Cooling Effectiveness

N. J. Fiala, I. Jaswal, F. E. Ames

J. Turbomach. January 2010, 132(1): 011017. doi: https://doi.org/10.1115/1.3106703

Abstract

View articletitled, Letterbox Trailing Edge Heat Transfer: Effects of Blowing Rate, Reynolds Number, and External Turbulence on Heat Transfer and Film Cooling Effectiveness

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Topics: Flow (Dynamics) , Heat transfer , Reynolds number , Suction , Turbulence , Film cooling , Pressure

An Experimental Study of Vane Clocking Effects on Embedded Compressor Stage Performance

Nicole L. Key, Patrick B. Lawless, Sanford Fleeter

J. Turbomach. January 2010, 132(1): 011018. doi: https://doi.org/10.1115/1.3072714

Abstract

View articletitled, An Experimental Study of Vane Clocking Effects on Embedded Compressor Stage Performance

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Topics: Compressors , Design , Pressure , Stators , Wakes , Blades

Three Dimensional Clocking Effects in a One and a Half Stage Transonic Turbine

O. Schennach, J. Woisetschläger, B. Paradiso, G. Persico, P. Gaetani

J. Turbomach. January 2010, 132(1): 011019. doi: https://doi.org/10.1115/1.3072715

Abstract

View articletitled, Three Dimensional Clocking Effects in a One and a Half Stage Transonic Turbine

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Topics: Flow (Dynamics) , Rotors , Stators , Pressure , Blades , Turbines , Vortices

Transition Prediction on Turbine Blade Profile With Intermittency Transport Equation

Wladyslaw Piotrowski, Witold Elsner, Stanisław Drobniak

J. Turbomach. January 2010, 132(1): 011020. doi: https://doi.org/10.1115/1.3072716

Abstract

View articletitled, Transition Prediction on Turbine Blade Profile With Intermittency Transport Equation

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Topics: Blades , Boundary layers , Flow (Dynamics) , Shapes , Turbine blades , Turbulence , Wakes , Modeling , Flat plates

Research Papers

Turbine Efficiency Measurement System for the QinetiQ Turbine Test Facility

Paul F. Beard, Thomas Povey, Kamaljit S. Chana

J. Turbomach. January 2010, 132(1): 011002. doi: https://doi.org/10.1115/1.3066271

Abstract

View articletitled, Turbine Efficiency Measurement System for the QinetiQ Turbine Test Facility

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Topics: Calibration , Flow (Dynamics) , Pressure , Temperature , Torque , Turbines , Uncertainty , Strain gages , Test facilities , Rotors

Technical Briefs

Application of Artificial Neural Networks in Investigations of Steam Turbine Cascades

Krzysztof Kosowski, Karol Tucki, Adrian Kosowski

J. Turbomach. January 2010, 132(1): 014501. doi: https://doi.org/10.1115/1.3103923

Abstract

View articletitled, Application of Artificial Neural Networks in Investigations of Steam Turbine Cascades

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Topics: Artificial neural networks , Blades , Design , Steam turbines , Turbines , Flow (Dynamics) , Computational fluid dynamics , Cascades (Fluid dynamics)

Research Papers

Influence of Thermodynamic Models in Two-Dimensional Flow Simulations of Turboexpanders

Experimental and Numerical Investigation of Impingement Cooling in a Combustor Liner Heat Shield

Transition Mechanisms in Separation Bubbles Under Low- and Elevated-Freestream Turbulence

Tip Clearance Effects on Inlet Hot Streak Migration Characteristics in High Pressure Stage of a Vaneless Counter-Rotating Turbine

Aerodynamic Asymmetry Analysis of Unsteady Flows in Turbomachinery

Separated Flow Measurements on a Highly Loaded Low-Pressure Turbine Airfoil

Analytical and Numerical Simulations of the Two-Phase Flow Heat Transfer in the Vent and Scavenge Pipes of the CLEAN Engine Demonstrator

Aerothermal Investigation of a Rib-Roughened Trailing Edge Channel With Crossing-Jets—Part I: Flow Field Analysis

Experimental and Computational Fluid Dynamics Based Determination of Flutter Limits in Supersonic Space Turbines

Optimization of Nonaxisymmetric Endwalls in Compressor S-Shaped Ducts

Design and Experimental Verification of Mistuning of a Supersonic Turbine Blisk

Measurements of Secondary Losses in a Turbine Cascade With the Implementation of Nonaxisymmetric Endwall Contouring

Investigation of Loss Generation in an Embedded Transonic Fan Stage at Several Gaps Using High-Fidelity, Time-Accurate Computational Fluid Dynamics

Web-Based, Interactive Laboratory Experiment in Turbomachine Aerodynamics

Effects of Reynolds Number and Freestream Turbulence Intensity on the Unsteady Boundary Layer Development on an Ultra-High-Lift Low Pressure Turbine Airfoil

Letterbox Trailing Edge Heat Transfer: Effects of Blowing Rate, Reynolds Number, and External Turbulence on Heat Transfer and Film Cooling Effectiveness

An Experimental Study of Vane Clocking Effects on Embedded Compressor Stage Performance

Three Dimensional Clocking Effects in a One and a Half Stage Transonic Turbine

Transition Prediction on Turbine Blade Profile With Intermittency Transport Equation

Research Papers

Turbine Efficiency Measurement System for the QinetiQ Turbine Test Facility

Technical Briefs

Application of Artificial Neural Networks in Investigations of Steam Turbine Cascades

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