Volume 134 Issue 2 | J. Turbomach. | ASME Digital Collection

Research Papers

Effects of Inlet Temperature Uniformity and Nonuniformity on the Tip Leakage Flow and Rotor Blade Tip and Casing Heat Transfer Characteristics

Md. Hamidur Rahman, Sung In Kim, Ibrahim Hassan

J. Turbomach. March 2012, 134(2): 021001. doi: https://doi.org/10.1115/1.4003211

View articletitled, Effects of Inlet Temperature Uniformity and Nonuniformity on the Tip Leakage Flow and Rotor Blade Tip and Casing Heat Transfer Characteristics

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Topics: Blades , Flow (Dynamics) , Heat transfer , Leakage flows , Pressure , Rotors , Temperature , Stators , Turbines , Computational fluid dynamics

Predicting the Profile Loss of High-Lift Low Pressure Turbines

John D. Coull, Howard P. Hodson

J. Turbomach. March 2012, 134(2): 021002. doi: https://doi.org/10.1115/1.4002961

Abstract

View articletitled, Predicting the Profile Loss of High-Lift Low Pressure Turbines

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Topics: Blades , Boundary layers , Design , Flat plates , Momentum , Pressure , Separation (Technology) , Suction , Flow (Dynamics) , Turbines

Stability Enhancement by Casing Grooves: The Importance of Stall Inception Mechanism and Solidity

Tim Houghton, Ivor Day

J. Turbomach. March 2012, 134(2): 021003. doi: https://doi.org/10.1115/1.4002986

Abstract

View articletitled, Stability Enhancement by Casing Grooves: The Importance of Stall Inception Mechanism and Solidity

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Topics: Blades , Compressors , Rotors , Stall inception , Stability

The Effect of Unequal Admission on the Performance and Loss Generation in a Double-Entry Turbocharger Turbine

Colin D. Copeland, Peter J. Newton, Ricardo Martinez-Botas, Martin Seiler

J. Turbomach. March 2012, 134(2): 021004. doi: https://doi.org/10.1115/1.4003226

Abstract

View articletitled, The Effect of Unequal Admission on the Performance and Loss Generation in a Double-Entry Turbocharger Turbine

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Topics: Computational fluid dynamics , Flow (Dynamics) , Pressure , Rotors , Turbines , Nozzles , Blades , Turbochargers

Numerical and Experimental Investigation of Turning Flow Effects on Innovative Pin Fin Arrangements for Trailing Edge Cooling Configurations

C. Bianchini, B. Facchini, F. Simonetti, L. Tarchi, S. Zecchi

J. Turbomach. March 2012, 134(2): 021005. doi: https://doi.org/10.1115/1.4003230

Abstract

View articletitled, Numerical and Experimental Investigation of Turning Flow Effects on Innovative Pin Fin Arrangements for Trailing Edge Cooling Configurations

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Topics: Blades , Cooling , Ducts , Fins , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Pins (Engineering) , Pressure , Turbulence

Novel IGV Designs for Centrifugal Compressors and Their Interaction With the Impeller

Arman Mohseni, Erik Goldhahn, René A. Van den Braembussche, Joerg R. Seume

J. Turbomach. March 2012, 134(2): 021006. doi: https://doi.org/10.1115/1.4003235

Abstract

View articletitled, Novel IGV Designs for Centrifugal Compressors and Their Interaction With the Impeller

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Topics: Compressors , Flow (Dynamics) , Impellers , Inlet guide vanes , Pressure , Flow separation

The Impact of Real Geometries on Three-Dimensional Separations in Compressors

Martin N. Goodhand, Robert J. Miller

J. Turbomach. March 2012, 134(2): 021007. doi: https://doi.org/10.1115/1.4002990

Abstract

View articletitled, The Impact of Real Geometries on Three-Dimensional Separations in Compressors

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Topics: Blades , Boundary layers , Compressors , Flow (Dynamics) , Geometry , Separation (Technology) , Stators , Surface roughness , Suction , Engines

Impact of Time-Resolved Entropy Measurement on a One-and-One-Half-Stage Axial Turbine Performance

M. Mansour, N. Chokani, A. I. Kalfas, R. S. Abhari

J. Turbomach. March 2012, 134(2): 021008. doi: https://doi.org/10.1115/1.4003247

Abstract

View articletitled, Impact of Time-Resolved Entropy Measurement on a One-and-One-Half-Stage Axial Turbine Performance

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

Nonlinear Flutter in Fan Stator Vanes With Time Dependent Fixity

R. Srivastava, J. Panovsky, R. Kielb, L. Virgin, K. Ekici

J. Turbomach. March 2012, 134(2): 021009. doi: https://doi.org/10.1115/1.4003253

Abstract

View articletitled, Nonlinear Flutter in Fan Stator Vanes With Time Dependent Fixity

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Topics: Engines , Failure , Flutter (Aerodynamics) , Stators , Vibration

Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade

Daniel Nerger, Horst Saathoff, Rolf Radespiel, Volker Gümmer, Carsten Clemen

J. Turbomach. March 2012, 134(2): 021010. doi: https://doi.org/10.1115/1.4003254

Abstract

View articletitled, Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Flow control , Flow visualization , Pressure , Suction , Probes , Stators , Compressors

Estimating the Loss Associated With Film Cooling for a Turbine Stage

Chia Hui Lim, Graham Pullan, John Northall

J. Turbomach. March 2012, 134(2): 021011. doi: https://doi.org/10.1115/1.4003255

Abstract

View articletitled, Estimating the Loss Associated With Film Cooling for a Turbine Stage

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Topics: Blades , Coolants , Cooling , Entropy , Flow (Dynamics) , Rotors , Turbines , Film cooling , Nozzle guide vanes , Pressure

Numerical Investigations of the Efficiency of Circulation Control in a Compressor Stator

Arne Vorreiter, Susanne Fischer, Horst Saathoff, Rolf Radespiel, Joerg R. Seume

J. Turbomach. March 2012, 134(2): 021012. doi: https://doi.org/10.1115/1.4003286

Abstract

View articletitled, Numerical Investigations of the Efficiency of Circulation Control in a Compressor Stator

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Topics: Cascades (Fluid dynamics) , Compressors , Design , Flow (Dynamics) , Pressure , Stators

Effects of a Realistically Rough Surface on Vane Heat Transfer Including the Influence of Turbulence Condition and Reynolds Number

E. L. Erickson, F. E. Ames, J. P. Bons

J. Turbomach. March 2012, 134(2): 021013. doi: https://doi.org/10.1115/1.4003026

Abstract

View articletitled, Effects of a Realistically Rough Surface on Vane Heat Transfer Including the Influence of Turbulence Condition and Reynolds Number

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Topics: Heat transfer , Pressure , Reynolds number , Surface roughness , Turbulence , Chords (Trusses) , Suction , Turbines , Thermal conductivity

Numerical Investigation of the Influence of Real World Blade Profile Variations on the Aerodynamic Performance of Transonic Nozzle Guide Vanes

R. Edwards, A. Asghar, R. Woodason, M. LaViolette, K. Goni Boulama, W. D. E. Allan

J. Turbomach. March 2012, 134(2): 021014. doi: https://doi.org/10.1115/1.4003050

Abstract

View articletitled, Numerical Investigation of the Influence of Real World Blade Profile Variations on the Aerodynamic Performance of Transonic Nozzle Guide Vanes

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Topics: Airfoils , Blades , Cascades (Fluid dynamics) , Computational fluid dynamics , Flow (Dynamics) , Nozzle guide vanes , Pressure , Shock (Mechanics) , Computation , Wakes

Experimental Investigation Into Unsteady Effects on Film Cooling

Richard J. Fawcett, Andrew P. S. Wheeler, Li He, Rupert Taylor

J. Turbomach. March 2012, 134(2): 021015. doi: https://doi.org/10.1115/1.4003053

Abstract

View articletitled, Experimental Investigation Into Unsteady Effects on Film Cooling

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Topics: Blades , Cooling , Film cooling , Flow (Dynamics) , Shear (Mechanics) , Vortices , Cascades (Fluid dynamics)

Model Verification of Mist/Steam Cooling With Jet Impingement Onto a Concave Surface and Prediction at Elevated Operating Conditions

Ting Wang, T. S. Dhanasekaran

J. Turbomach. March 2012, 134(2): 021016. doi: https://doi.org/10.1115/1.4003056

Abstract

View articletitled, Model Verification of Mist/Steam Cooling With Jet Impingement Onto a Concave Surface and Prediction at Elevated Operating Conditions

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Topics: Computational fluid dynamics , Cooling , Drops , Flow (Dynamics) , Heat transfer , Jets , Steam , Temperature , Gas turbines , Heat flux

The Influence of the Total Pressure Profile on the Performance of Axial Gas Turbine Diffusers

A. Hirschmann, S. Volkmer, M. Schatz, C. Finzel, M. Casey, M. Montgomery

J. Turbomach. March 2012, 134(2): 021017. doi: https://doi.org/10.1115/1.4003064

Abstract

View articletitled, The Influence of the Total Pressure Profile on the Performance of Axial Gas Turbine Diffusers

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Topics: Diffusers , Flow (Dynamics) , Mach number , Pressure

Block-Spectral Approach to Film-Cooling Modeling

L. He

J. Turbomach. March 2012, 134(2): 021018. doi: https://doi.org/10.1115/1.4003073

Abstract

View articletitled, Block-Spectral Approach to Film-Cooling Modeling

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Topics: Cooling , Film cooling , Flow (Dynamics) , Modeling , Temperature , Coolants , Computational fluid dynamics , Blades

Control of Tip-Clearance Flow in a Low Speed Axial Compressor Rotor With Plasma Actuation

Giridhar Jothiprasad, Robert C. Murray, Katherine Essenhigh, Grover A. Bennett, Seyed Saddoughi, Aspi Wadia, Andrew Breeze-Stringfellow

J. Turbomach. March 2012, 134(2): 021019. doi: https://doi.org/10.1115/1.4003083

Abstract

View articletitled, Control of Tip-Clearance Flow in a Low Speed Axial Compressor Rotor With Plasma Actuation

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Topics: Blades , Flow (Dynamics) , Pressure , Rotors , Compressors , Clearances (Engineering) , Actuators

Blade Tip Heat Transfer and Aerodynamics in a Large Scale Turbine Cascade With Moving Endwall

P. Palafox, M. L. G. Oldfield, P. T. Ireland, T. V. Jones, J. E. LaGraff

J. Turbomach. March 2012, 134(2): 021020. doi: https://doi.org/10.1115/1.4003085

Abstract

View articletitled, Blade Tip Heat Transfer and Aerodynamics in a Large Scale Turbine Cascade With Moving Endwall

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Topics: Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Heat transfer , Turbines , Suction , Pressure

Numerical Predictions of the Effect of Rotation on Fluid Flow and Heat Transfer in an Engine-Similar Two-Pass Internal Cooling Channel With Smooth and Ribbed Walls

M. Schüler, H.-M. Dreher, S. O. Neumann, B. Weigand, M. Elfert

J. Turbomach. March 2012, 134(2): 021021. doi: https://doi.org/10.1115/1.4003086

Abstract

View articletitled, Numerical Predictions of the Effect of Rotation on Fluid Flow and Heat Transfer in an Engine-Similar Two-Pass Internal Cooling Channel With Smooth and Ribbed Walls

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Topics: Cooling , Engines , Flow (Dynamics) , Fluid dynamics , Heat transfer , Rotation , Vortices , Geometry , Coriolis force

Unsteady Performance of a Double Entry Turbocharger Turbine With a Comparison to Steady Flow Conditions

Colin D. Copeland, Ricardo Martinez-Botas, Martin Seiler

J. Turbomach. March 2012, 134(2): 021022. doi: https://doi.org/10.1115/1.4003171

Abstract

View articletitled, Unsteady Performance of a Double Entry Turbocharger Turbine With a Comparison to Steady Flow Conditions

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Topics: Flow (Dynamics) , Pressure , Turbines , Turbochargers

Hybrid LES Approach for Practical Turbomachinery Flows—Part I: Hierarchy and Example Simulations

Paul Tucker, Simon Eastwood, Christian Klostermeier, Richard Jefferson-Loveday, James Tyacke, Yan Liu

J. Turbomach. March 2012, 134(2): 021023. doi: https://doi.org/10.1115/1.4003061

Abstract

View articletitled, Hybrid LES Approach for Practical Turbomachinery Flows—Part I: Hierarchy and Example Simulations

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Topics: Flow (Dynamics) , Modeling , Reynolds-averaged Navier–Stokes equations , Simulation , Turbomachinery , Turbulence , Cooling , Blades

Hybrid LES Approach for Practical Turbomachinery Flows—Part II: Further Applications

Paul Tucker, Simon Eastwood, Christian Klostermeier, Hao Xia, Prasun Ray, James Tyacke, William Dawes

J. Turbomach. March 2012, 134(2): 021024. doi: https://doi.org/10.1115/1.4003062

Abstract

View articletitled, Hybrid LES Approach for Practical Turbomachinery Flows—Part II: Further Applications

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Topics: Flow (Dynamics) , Nozzles , Reynolds-averaged Navier–Stokes equations , Compressors , Blades , Turbomachinery , Turbines , Simulation , Geometry

Particle-Image Velocimetry Measurements of Film Cooling in an Adverse Pressure Gradient Flow

Wilhelm Jessen, Martin Konopka, Wolfgang Schroeder

J. Turbomach. March 2012, 134(2): 021025. doi: https://doi.org/10.1115/1.4003175

Abstract

View articletitled, Particle-Image Velocimetry Measurements of Film Cooling in an Adverse Pressure Gradient Flow

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Topics: Cooling , Film cooling , Flow (Dynamics) , Pressure gradient , Jets , Boundary layers , Particulate matter

Research Papers

Effects of Inlet Temperature Uniformity and Nonuniformity on the Tip Leakage Flow and Rotor Blade Tip and Casing Heat Transfer Characteristics

Predicting the Profile Loss of High-Lift Low Pressure Turbines

Stability Enhancement by Casing Grooves: The Importance of Stall Inception Mechanism and Solidity

The Effect of Unequal Admission on the Performance and Loss Generation in a Double-Entry Turbocharger Turbine

Numerical and Experimental Investigation of Turning Flow Effects on Innovative Pin Fin Arrangements for Trailing Edge Cooling Configurations

Novel IGV Designs for Centrifugal Compressors and Their Interaction With the Impeller

The Impact of Real Geometries on Three-Dimensional Separations in Compressors

Impact of Time-Resolved Entropy Measurement on a One-and-One-Half-Stage Axial Turbine Performance

Nonlinear Flutter in Fan Stator Vanes With Time Dependent Fixity

Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade

Estimating the Loss Associated With Film Cooling for a Turbine Stage

Numerical Investigations of the Efficiency of Circulation Control in a Compressor Stator

Effects of a Realistically Rough Surface on Vane Heat Transfer Including the Influence of Turbulence Condition and Reynolds Number

Numerical Investigation of the Influence of Real World Blade Profile Variations on the Aerodynamic Performance of Transonic Nozzle Guide Vanes

Experimental Investigation Into Unsteady Effects on Film Cooling

Model Verification of Mist/Steam Cooling With Jet Impingement Onto a Concave Surface and Prediction at Elevated Operating Conditions

The Influence of the Total Pressure Profile on the Performance of Axial Gas Turbine Diffusers

Block-Spectral Approach to Film-Cooling Modeling

Control of Tip-Clearance Flow in a Low Speed Axial Compressor Rotor With Plasma Actuation

Blade Tip Heat Transfer and Aerodynamics in a Large Scale Turbine Cascade With Moving Endwall

Numerical Predictions of the Effect of Rotation on Fluid Flow and Heat Transfer in an Engine-Similar Two-Pass Internal Cooling Channel With Smooth and Ribbed Walls

Unsteady Performance of a Double Entry Turbocharger Turbine With a Comparison to Steady Flow Conditions

Hybrid LES Approach for Practical Turbomachinery Flows—Part I: Hierarchy and Example Simulations

Hybrid LES Approach for Practical Turbomachinery Flows—Part II: Further Applications

Particle-Image Velocimetry Measurements of Film Cooling in an Adverse Pressure Gradient Flow

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