Volume 130 Issue 4 | J. Turbomach. | ASME Digital Collection

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Volume 130, Issue 4

October 2008

ISSN 0889-504X

EISSN 1528-8900

Research Papers

The Influence of Shroud and Cavity Geometry on Turbine Performance: An Experimental and Computational Study—Part I: Shroud Geometry

Budimir Rosic, John D. Denton, Eric M. Curtis

J. Turbomach. October 2008, 130(4): 041001. doi: https://doi.org/10.1115/1.2777201

Abstract

View articletitled, The Influence of Shroud and Cavity Geometry on Turbine Performance: An Experimental and Computational Study—Part I: Shroud Geometry

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Topics: Cavities , Flow (Dynamics) , Leakage , Turbines , Rotors , Geometry , Leakage flows

The Influence of Shroud and Cavity Geometry on Turbine Performance: An Experimental and Computational Study— Part II: Exit Cavity Geometry

Budimir Rosic, John D. Denton, Eric M. Curtis, Ashley T. Peterson

J. Turbomach. October 2008, 130(4): 041002. doi: https://doi.org/10.1115/1.2777202

Abstract

View articletitled, The Influence of Shroud and Cavity Geometry on Turbine Performance: An Experimental and Computational Study— Part II: Exit Cavity Geometry

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Topics: Cavities , Flow (Dynamics) , Geometry , Turbines , Leakage , Leakage flows

Effects of Hole Arrangements on Local Heat/Mass Transfer for Impingement/Effusion Cooling With Small Hole Spacing

Hyung Hee Cho, Dong Ho Rhee, R. J. Goldstein

J. Turbomach. October 2008, 130(4): 041003. doi: https://doi.org/10.1115/1.2812325

Abstract

View articletitled, Effects of Hole Arrangements on Local Heat/Mass Transfer for Impingement/Effusion Cooling With Small Hole Spacing

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Topics: Cooling , Flow (Dynamics) , Heat , Jets , Mass transfer , Plates (structures)

Periodical Unsteady Flow Within a Rotor Blade Row of an Axial Compressor—Part I: Flow Field at Midspan

Ronald Mailach, Ingolf Lehmann, Konrad Vogeler

J. Turbomach. October 2008, 130(4): 041004. doi: https://doi.org/10.1115/1.2812329

Abstract

View articletitled, Periodical Unsteady Flow Within a Rotor Blade Row of an Axial Compressor—Part I: Flow Field at Midspan

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Topics: Blades , Flow (Dynamics) , Rotors , Stators , Unsteady flow , Wakes , Design , Compressors , Pressure

Periodical Unsteady Flow Within a Rotor Blade Row of an Axial Compressor—Part II: Wake-Tip Clearance Vortex Interaction

Ronald Mailach, Ingolf Lehmann, Konrad Vogeler

J. Turbomach. October 2008, 130(4): 041005. doi: https://doi.org/10.1115/1.2812330

Abstract

View articletitled, Periodical Unsteady Flow Within a Rotor Blade Row of an Axial Compressor—Part II: Wake-Tip Clearance Vortex Interaction

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Topics: Blades , Flow (Dynamics) , Rotors , Stators , Unsteady flow , Vortices , Wakes , Clearances (Engineering) , Design , Compressors

Effects of Deposits on Film Cooling of a Vane Endwall Along the Pressure Side

N. Sundaram, M. D. Barringer, K. A. Thole

J. Turbomach. October 2008, 130(4): 041006. doi: https://doi.org/10.1115/1.2812332

Abstract

View articletitled, Effects of Deposits on Film Cooling of a Vane Endwall Along the Pressure Side

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Topics: Coolants , Cooling , Film cooling , Flow (Dynamics) , Pressure , Turbines , Surface roughness

The Augmentation of Internal Blade Tip-Cap Cooling by Arrays of Shaped Pins

Ronald S. Bunker

J. Turbomach. October 2008, 130(4): 041007. doi: https://doi.org/10.1115/1.2812333

Abstract

View articletitled, The Augmentation of Internal Blade Tip-Cap Cooling by Arrays of Shaped Pins

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Topics: Aluminum , Blades , Cooling , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Pins (Engineering) , Heat flux , Channel flow , Reynolds number

Measurements in Film Cooling Flows With Periodic Wakes

Kristofer M. Womack, Ralph J. Volino, Michael P. Schultz

J. Turbomach. October 2008, 130(4): 041008. doi: https://doi.org/10.1115/1.2812334

Abstract

View articletitled, Measurements in Film Cooling Flows With Periodic Wakes

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Topics: Film cooling , Flow (Dynamics) , Temperature , Wakes , Jets

The Effects of Blade Passing on the Heat Transfer Coefficient of the Overtip Casing in a Transonic Turbine Stage

Steven J. Thorpe, Roger W. Ainsworth

J. Turbomach. October 2008, 130(4): 041009. doi: https://doi.org/10.1115/1.2776950

Abstract

View articletitled, The Effects of Blade Passing on the Heat Transfer Coefficient of the Overtip Casing in a Transonic Turbine Stage

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Topics: Blades , Heat transfer , Heat transfer coefficients , Temperature , Turbines , Rotors , Flow (Dynamics) , Wall temperature , Heat flux , Pressure

Combined Effects of Wakes and Jet Pulsing on Film Cooling

Kristofer M. Womack, Ralph J. Volino, Michael P. Schultz

J. Turbomach. October 2008, 130(4): 041010. doi: https://doi.org/10.1115/1.2812335

Abstract

View articletitled, Combined Effects of Wakes and Jet Pulsing on Film Cooling

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Topics: Film cooling , Flow (Dynamics) , Jets , Wakes , Temperature

The Influence of Sweep on Axial Flow Turbine Aerodynamics in the Endwall Region

Graham Pullan, Neil W. Harvey

J. Turbomach. October 2008, 130(4): 041011. doi: https://doi.org/10.1115/1.2812337

Abstract

View articletitled, The Influence of Sweep on Axial Flow Turbine Aerodynamics in the Endwall Region

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Topics: Blades , Pressure , Flow (Dynamics)

Effects of Regular and Random Roughness on the Heat Transfer and Skin Friction Coefficient on the Suction Side of a Gas Turbine Vane

Jason E. Dees, David G. Bogard

J. Turbomach. October 2008, 130(4): 041012. doi: https://doi.org/10.1115/1.2812338

Abstract

View articletitled, Effects of Regular and Random Roughness on the Heat Transfer and Skin Friction Coefficient on the Suction Side of a Gas Turbine Vane

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Topics: Heat transfer , Skin friction (Fluid dynamics) , Surface roughness , Boundary layers , Gas turbines , Suction

Bump and Trench Modifications to Film-Cooling Holes at the Vane-Endwall Junction

N. Sundaram, K. A. Thole

J. Turbomach. October 2008, 130(4): 041013. doi: https://doi.org/10.1115/1.2812933

Abstract

View articletitled, Bump and Trench Modifications to Film-Cooling Holes at the Vane-Endwall Junction

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Topics: Coolants , Cooling , Film cooling , Junctions , Pressure , Flow (Dynamics) , Vortices , Suction

Prestall Behavior of a Transonic Axial Compressor Stage via Time-Accurate Numerical Simulation

Jen-Ping Chen, Michael D. Hathaway, Gregory P. Herrick

J. Turbomach. October 2008, 130(4): 041014. doi: https://doi.org/10.1115/1.2812968

Abstract

View articletitled, Prestall Behavior of a Transonic Axial Compressor Stage via Time-Accurate Numerical Simulation

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Topics: Annulus , Blades , Clearances (Engineering) , Compressors , Flow (Dynamics) , Pressure , Rotors , Simulation , Vortices , Shock (Mechanics)

Large Eddy Simulation of Leading Edge Film Cooling—Part II: Heat Transfer and Effect of Blowing Ratio

Ali Rozati, Danesh K. Tafti

J. Turbomach. October 2008, 130(4): 041015. doi: https://doi.org/10.1115/1.2812411

Abstract

View articletitled, Large Eddy Simulation of Leading Edge Film Cooling—Part II: Heat Transfer and Effect of Blowing Ratio

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Topics: Coolants , Film cooling , Turbulence , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Large eddy simulation , Vortices

Large Eddy Simulation Investigation of Flow and Heat Transfer in a Channel With Dimples and Protrusions

Mohammad A. Elyyan, Danesh K. Tafti

J. Turbomach. October 2008, 130(4): 041016. doi: https://doi.org/10.1115/1.2812412

Abstract

View articletitled, Large Eddy Simulation Investigation of Flow and Heat Transfer in a Channel With Dimples and Protrusions

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Topics: Flow (Dynamics) , Friction , Heat transfer , Turbulence , Reynolds number

Transition on the T106 LP Turbine Blade in the Presence of Moving Upstream Wakes and Downstream Potential Fields

Maciej M. Opoka, Howard P. Hodson

J. Turbomach. October 2008, 130(4): 041017. doi: https://doi.org/10.1115/1.2812415

Abstract

View articletitled, Transition on the T106 LP Turbine Blade in the Presence of Moving Upstream Wakes and Downstream Potential Fields

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Topics: Boundary layers , Pressure , Turbulence , Wakes , Flow (Dynamics) , Suction , Momentum , Blades , Cascades (Fluid dynamics)

Numerical Study of Turbulent-Spot Development in a Separated Shear Layer

Brian R. McAuliffe, Metin I. Yaras

J. Turbomach. October 2008, 130(4): 041018. doi: https://doi.org/10.1115/1.2812948

Abstract

View articletitled, Numerical Study of Turbulent-Spot Development in a Separated Shear Layer

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Topics: Bubbles , Separation (Technology) , Shear (Mechanics) , Turbulence , Vortices , Flow (Dynamics) , Pressure

The Effect of Combustor-Turbine Interface Gap Leakage on the Endwall Heat Transfer for a Nozzle Guide Vane

S. P. Lynch, K. A. Thole

J. Turbomach. October 2008, 130(4): 041019. doi: https://doi.org/10.1115/1.2812950

Abstract

View articletitled, The Effect of Combustor-Turbine Interface Gap Leakage on the Endwall Heat Transfer for a Nozzle Guide Vane

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Topics: Coolants , Flow (Dynamics) , Friction , Heat transfer , Heat transfer coefficients , Turbines , Combustion chambers , Leakage , Momentum , Temperature

A Comparative Investigation of Round and Fan-Shaped Cooling Hole Near Flow Fields

James S. Porter, Jane E. Sargison, Gregory J. Walker, Alan D. Henderson

J. Turbomach. October 2008, 130(4): 041020. doi: https://doi.org/10.1115/1.2812952

Abstract

View articletitled, A Comparative Investigation of Round and Fan-Shaped Cooling Hole Near Flow Fields

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Topics: Cooling , Flow (Dynamics) , Turbulence , Computational fluid dynamics

Technology Reviews

Mixed Flow Turbine Research: A Review

Srithar Rajoo, Ricardo Martinez-Botas

J. Turbomach. October 2008, 130(4): 044001. doi: https://doi.org/10.1115/1.2812326

Abstract

View articletitled, Mixed Flow Turbine Research: A Review

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Topics: Flow (Dynamics) , Turbines , Rotors

Errata

Erratum: “Curtis Stage Nozzle/Rotor Aerodynamic Interaction and the Effect on Stage Performance” [Journal of Turbomachinery, 2007, 129(3), pp. 551–562]

Stephen Rashid, Matthew Tremmel, John Waggott, Randall Moll

J. Turbomach. October 2008, 130(4): 047001. doi: https://doi.org/10.1115/1.2952384

Extract

View articletitled, Erratum: “Curtis Stage Nozzle/Rotor Aerodynamic Interaction and the Effect on Stage Performance” [<span class="related-article">Journal of Turbomachinery, 2007, 129(3), pp. 551–562</span>]

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Topics: Nozzles , Rotors , Turbomachinery

Research Papers

The Influence of Shroud and Cavity Geometry on Turbine Performance: An Experimental and Computational Study—Part I: Shroud Geometry

The Influence of Shroud and Cavity Geometry on Turbine Performance: An Experimental and Computational Study— Part II: Exit Cavity Geometry

Effects of Hole Arrangements on Local Heat/Mass Transfer for Impingement/Effusion Cooling With Small Hole Spacing

Periodical Unsteady Flow Within a Rotor Blade Row of an Axial Compressor—Part I: Flow Field at Midspan

Periodical Unsteady Flow Within a Rotor Blade Row of an Axial Compressor—Part II: Wake-Tip Clearance Vortex Interaction

Effects of Deposits on Film Cooling of a Vane Endwall Along the Pressure Side

The Augmentation of Internal Blade Tip-Cap Cooling by Arrays of Shaped Pins

Measurements in Film Cooling Flows With Periodic Wakes

The Effects of Blade Passing on the Heat Transfer Coefficient of the Overtip Casing in a Transonic Turbine Stage

Combined Effects of Wakes and Jet Pulsing on Film Cooling

The Influence of Sweep on Axial Flow Turbine Aerodynamics in the Endwall Region

Effects of Regular and Random Roughness on the Heat Transfer and Skin Friction Coefficient on the Suction Side of a Gas Turbine Vane

Bump and Trench Modifications to Film-Cooling Holes at the Vane-Endwall Junction

Prestall Behavior of a Transonic Axial Compressor Stage via Time-Accurate Numerical Simulation

Large Eddy Simulation of Leading Edge Film Cooling—Part II: Heat Transfer and Effect of Blowing Ratio

Large Eddy Simulation Investigation of Flow and Heat Transfer in a Channel With Dimples and Protrusions

Transition on the T106 LP Turbine Blade in the Presence of Moving Upstream Wakes and Downstream Potential Fields

Numerical Study of Turbulent-Spot Development in a Separated Shear Layer

The Effect of Combustor-Turbine Interface Gap Leakage on the Endwall Heat Transfer for a Nozzle Guide Vane

A Comparative Investigation of Round and Fan-Shaped Cooling Hole Near Flow Fields

Technology Reviews

Mixed Flow Turbine Research: A Review

Errata

Erratum: “Curtis Stage Nozzle/Rotor Aerodynamic Interaction and the Effect on Stage Performance” [Journal of Turbomachinery, 2007, 129(3), pp. 551–562]

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