Volume 130 Issue 2 | J. Turbomach. | ASME Digital Collection

Research Papers

Analytical Modeling of Turbine Cascade Leading Edge Heat Transfer Using Skin Friction and Pressure Measurements

J. Turbomach. April 2008, 130(2): 021001. doi: https://doi.org/10.1115/1.2812328

View articletitled, Analytical Modeling of Turbine Cascade Leading Edge Heat Transfer Using Skin Friction and Pressure Measurements

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Topics: Airfoils , Boundary layers , Cascades (Fluid dynamics) , Computational fluid dynamics , Flow (Dynamics) , Heat transfer , Pressure , Pressure measurement , Skin friction (Fluid dynamics) , Turbines

Effect of a Cutback Squealer and Cavity Depth on Film-Cooling Effectiveness on a Gas Turbine Blade Tip

Shantanu Mhetras, Diganta Narzary, Zhihong Gao, Je-Chin Han

J. Turbomach. April 2008, 130(2): 021002. doi: https://doi.org/10.1115/1.2776949

Abstract

View articletitled, Effect of a Cutback Squealer and Cavity Depth on Film-Cooling Effectiveness on a Gas Turbine Blade Tip

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Topics: Blades , Cavities , Film cooling , Pressure , Coolants , Gas turbines , Flow (Dynamics)

Modeling of Rough-Wall Boundary Layer Transition and Heat Transfer on Turbine Airfoils

M. Stripf, A. Schulz, H.-J. Bauer

J. Turbomach. April 2008, 130(2): 021003. doi: https://doi.org/10.1115/1.2750675

Abstract

View articletitled, Modeling of Rough-Wall Boundary Layer Transition and Heat Transfer on Turbine Airfoils

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Topics: Heat transfer , Surface roughness , Turbines , Boundary layers , Turbulence , Boundary layer turbulence , Airfoils

Design and Test of an Aspirated Counter-Rotating Fan

Jack L. Kerrebrock, Alan H. Epstein, Ali A. Merchant, Gerald R. Guenette, David Parker, Jean-Francois Onnee, Fritz Neumayer, John J. Adamczyk, Aamir Shabbir

J. Turbomach. April 2008, 130(2): 021004. doi: https://doi.org/10.1115/1.2776951

Abstract

View articletitled, Design and Test of an Aspirated Counter-Rotating Fan

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Topics: Blades , Compressors , Design , Flow (Dynamics) , Pressure , Rotors , Computational fluid dynamics

Advanced Aerodynamic Optimization System for Turbomachinery

Bo Chen, Xin Yuan

J. Turbomach. April 2008, 130(2): 021005. doi: https://doi.org/10.1115/1.2776953

Abstract

View articletitled, Advanced Aerodynamic Optimization System for Turbomachinery

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Topics: Blades , Optimization , Design , Turbomachinery , Turbine blades , Turbines

Numerical Study of Instability Mechanisms Leading to Transition in Separation Bubbles

Brian R. McAuliffe, Metin I. Yaras

J. Turbomach. April 2008, 130(2): 021006. doi: https://doi.org/10.1115/1.2750680

Abstract

View articletitled, Numerical Study of Instability Mechanisms Leading to Transition in Separation Bubbles

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

Improving Film Cooling Performance Using Airfoil Contouring

Atul Kohli, David G. Bogard

J. Turbomach. April 2008, 130(2): 021007. doi: https://doi.org/10.1115/1.2750681

Abstract

View articletitled, Improving Film Cooling Performance Using Airfoil Contouring

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Topics: Airfoils , Computational fluid dynamics , Cooling , Film cooling , Geometry , Optimization , Pressure , Shapes , Suction

Flow Physics and Profiling of Recessed Blade Tips: Impact on Performance and Heat Load

Bob Mischo, Thomas Behr, Reza S. Abhari

J. Turbomach. April 2008, 130(2): 021008. doi: https://doi.org/10.1115/1.2775485

Abstract

View articletitled, Flow Physics and Profiling of Recessed Blade Tips: Impact on Performance and Heat Load

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Topics: Blades , Cavities , Computational fluid dynamics , Design , Flow (Dynamics) , Pressure , Rotors , Vortices , Leakage , Turbines

Boundary Layer Transition on the High Lift T106A Low-Pressure Turbine Blade With an Oscillating Downstream Pressure Field

Maciej M. Opoka, Richard L. Thomas, Howard P. Hodson

J. Turbomach. April 2008, 130(2): 021009. doi: https://doi.org/10.1115/1.2751142

Abstract

View articletitled, Boundary Layer Transition on the High Lift T106A Low-Pressure Turbine Blade With an Oscillating Downstream Pressure Field

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Topics: Boundary layers , Flow (Dynamics) , Pressure , Suction , Turbulence , Blades , Cascades (Fluid dynamics) , Shear stress , Bubbles , Separation (Technology)

Control of Shroud Leakage Loss by Reducing Circumferential Mixing

Budimir Rosic, John D. Denton

J. Turbomach. April 2008, 130(2): 021010. doi: https://doi.org/10.1115/1.2750682

Abstract

View articletitled, Control of Shroud Leakage Loss by Reducing Circumferential Mixing

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Topics: Blades , Cavities , Flow (Dynamics) , Leakage , Leakage flows , Rotors , Stators , Turbines , Turning vanes , Shapes

Profiled End Wall Design Using an Adjoint Navier–Stokes Solver

Roque Corral, Fernando Gisbert

J. Turbomach. April 2008, 130(2): 021011. doi: https://doi.org/10.1115/1.2751143

Abstract

View articletitled, Profiled End Wall Design Using an Adjoint Navier–Stokes Solver

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Topics: Blades , Design , Optimization , Pressure , Flow (Dynamics) , Turbines

Three-Dimensional Finite Element Analysis of Dovetail Attachments With and Without Crowning

J. R. Beisheim, G. B. Sinclair

J. Turbomach. April 2008, 130(2): 021012. doi: https://doi.org/10.1115/1.2751486

Abstract

View articletitled, Three-Dimensional Finite Element Analysis of Dovetail Attachments With and Without Crowning

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Topics: Finite element analysis , Stress , Friction

Unsteady Transition Phenomena at a Compressor Blade Leading Edge

Alan D. Henderson, Gregory J. Walker, Jeremy D. Hughes

J. Turbomach. April 2008, 130(2): 021013. doi: https://doi.org/10.1115/1.2751148

Abstract

View articletitled, Unsteady Transition Phenomena at a Compressor Blade Leading Edge

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Topics: Blades , Boundary layers , Compressors , Flow (Dynamics) , Rotors , Stators , Turbulence , Wakes , Suction , Pressure

Separated Flow Transition on an LP Turbine Blade With Pulsed Flow Control

Jeffrey P. Bons, Daniel Reimann, Matthew Bloxham

J. Turbomach. April 2008, 130(2): 021014. doi: https://doi.org/10.1115/1.2751149

Abstract

View articletitled, Separated Flow Transition on an LP Turbine Blade With Pulsed Flow Control

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Topics: Blades , Boundary layers , Bubbles , Cascades (Fluid dynamics) , Flow (Dynamics) , Flow control , Separation (Technology) , Turbine blades , Turbulence , Wakes

Aerodynamic and Heat Flux Measurements in a Single-Stage Fully Cooled Turbine—Part I: Experimental Approach

C. W. Haldeman, R. M. Mathison, M. G. Dunn, S. A. Southworth, J. W. Harral, G. Heitland

J. Turbomach. April 2008, 130(2): 021015. doi: https://doi.org/10.1115/1.2750676

Abstract

View articletitled, Aerodynamic and Heat Flux Measurements in a Single-Stage Fully Cooled Turbine—Part I: Experimental Approach

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Topics: Blades , Cooling , Flow (Dynamics) , Temperature , Turbines , Pressure , Heat flux , Coolants , Combustion chambers , Design

Aerodynamic and Heat Flux Measurements in a Single-Stage Fully Cooled Turbine—Part II: Experimental Results

C. W. Haldeman, R. M. Mathison, M. G. Dunn, S. A. Southworth, J. W. Harral, G. Heltland

J. Turbomach. April 2008, 130(2): 021016. doi: https://doi.org/10.1115/1.2750678

Abstract

View articletitled, Aerodynamic and Heat Flux Measurements in a Single-Stage Fully Cooled Turbine—Part II: Experimental Results

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Topics: Blades , Heat flux , Pressure , Temperature , Cooling , Flow (Dynamics)

Experimental and Numerical Analysis of High Heat Transfer Phenomenon in Minichannel Gaseous Cooling

Kazuo Hara, Masato Furukawa, Naoki Akihiro

J. Turbomach. April 2008, 130(2): 021017. doi: https://doi.org/10.1115/1.2751146

Abstract

View articletitled, Experimental and Numerical Analysis of High Heat Transfer Phenomenon in Minichannel Gaseous Cooling

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Topics: Flow (Dynamics) , Heat transfer , Temperature , Pressure

Flow Control of Annular Compressor Cascade by Synthetic Jets

Xinqian Zheng, Sheng Zhou, Yajun Lu, Anping Hou, Qiushi Li

J. Turbomach. April 2008, 130(2): 021018. doi: https://doi.org/10.1115/1.2751147

Abstract

View articletitled, Flow Control of Annular Compressor Cascade by Synthetic Jets

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Topics: Cascades (Fluid dynamics) , Compressors , Excitation , Flow (Dynamics) , Flow control , Jets , Separation (Technology) , Wind tunnels , Stators

Heat Transfer at High Rotation Numbers in a Two-Pass 4:1 Aspect Ratio Rectangular Channel With $45 \deg$ Skewed Ribs

Fuguo Zhou, Sumanta Acharya

J. Turbomach. April 2008, 130(2): 021019. doi: https://doi.org/10.1115/1.2752185

Abstract

View articletitled, Heat Transfer at High Rotation Numbers in a Two-Pass 4:1 Aspect Ratio Rectangular Channel With <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow xmlns=""><mn>45</mn><mspace width="0.3em"></mspace><mi>deg</mi></mrow></math> Skewed Ribs

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Topics: Buoyancy , Density , Flow (Dynamics) , Heat transfer , Rotation , Copper , Reynolds number , Coolants

Evolution of Surface Deposits on a High-Pressure Turbine Blade—Part I: Physical Characteristics

James E. Wammack, Jared Crosby, Daniel Fletcher, Jeffrey P. Bons, Thomas H. Fletcher

J. Turbomach. April 2008, 130(2): 021020. doi: https://doi.org/10.1115/1.2752182

Abstract

View articletitled, Evolution of Surface Deposits on a High-Pressure Turbine Blade—Part I: Physical Characteristics

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Topics: Gas turbines , High pressure (Physics) , Metals , Spallation (Nuclear physics) , Surface roughness , Turbine blades , Turbines , Particulate matter , Oxidation , Flow (Dynamics)

Evolution of Surface Deposits on a High-Pressure Turbine Blade—Part II: Convective Heat Transfer

Jeffrey P. Bons, James E. Wammack, Jared Crosby, Daniel Fletcher, Thomas H. Fletcher

J. Turbomach. April 2008, 130(2): 021021. doi: https://doi.org/10.1115/1.2752183

Abstract

View articletitled, Evolution of Surface Deposits on a High-Pressure Turbine Blade—Part II: Convective Heat Transfer

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Topics: Convection , Surface roughness , Flow (Dynamics) , Wind tunnels , Turbine blades , High pressure (Physics) , Heat transfer , Turbines , Gas turbines

The Impact of Gas Modeling in the Numerical Analysis of a Multistage Gas Turbine

Filippo Rubechini, Michele Marconcini, Andrea Arnone, Massimiliano Maritano, Stefano Cecchi

J. Turbomach. April 2008, 130(2): 021022. doi: https://doi.org/10.1115/1.2752187

Abstract

View articletitled, The Impact of Gas Modeling in the Numerical Analysis of a Multistage Gas Turbine

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Topics: Flow (Dynamics) , Gas turbines , Modeling , Temperature , Turbines , Computation , Numerical analysis , Cooling , Pressure , Coolants

Impulse Response Processing of Transient Heat Transfer Gauge Signals

M. L. G. Oldfield

J. Turbomach. April 2008, 130(2): 021023. doi: https://doi.org/10.1115/1.2752188

Abstract

View articletitled, Impulse Response Processing of Transient Heat Transfer Gauge Signals

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Topics: Gages , Heat transfer , Impulse (Physics) , Signals , Filters , Thin films

A Comparison of Approximate Versus Exact Geometrical Representations of Roughness for CFD Calculations of $c_{f}$ and St

J. P. Bons, S. T. McClain, Z. J. Wang, X. Chi, T. I. Shih

J. Turbomach. April 2008, 130(2): 021024. doi: https://doi.org/10.1115/1.2752190

Abstract

View articletitled, A Comparison of Approximate Versus Exact Geometrical Representations of Roughness for CFD Calculations of <math xmlns="http://www.w3.org/1998/Math/MathML"><msub xmlns=""><mi>c</mi><mi>f</mi></msub></math> and St

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Topics: Reynolds-averaged Navier–Stokes equations , Surface roughness , Discrete element methods , Heat transfer , Flow (Dynamics) , Drag (Fluid dynamics) , Boundary layers

Research Papers

Analytical Modeling of Turbine Cascade Leading Edge Heat Transfer Using Skin Friction and Pressure Measurements

Effect of a Cutback Squealer and Cavity Depth on Film-Cooling Effectiveness on a Gas Turbine Blade Tip

Modeling of Rough-Wall Boundary Layer Transition and Heat Transfer on Turbine Airfoils

Design and Test of an Aspirated Counter-Rotating Fan

Advanced Aerodynamic Optimization System for Turbomachinery

Numerical Study of Instability Mechanisms Leading to Transition in Separation Bubbles

Improving Film Cooling Performance Using Airfoil Contouring

Flow Physics and Profiling of Recessed Blade Tips: Impact on Performance and Heat Load

Boundary Layer Transition on the High Lift T106A Low-Pressure Turbine Blade With an Oscillating Downstream Pressure Field

Control of Shroud Leakage Loss by Reducing Circumferential Mixing

Profiled End Wall Design Using an Adjoint Navier–Stokes Solver

Three-Dimensional Finite Element Analysis of Dovetail Attachments With and Without Crowning

Unsteady Transition Phenomena at a Compressor Blade Leading Edge

Separated Flow Transition on an LP Turbine Blade With Pulsed Flow Control

Aerodynamic and Heat Flux Measurements in a Single-Stage Fully Cooled Turbine—Part I: Experimental Approach

Aerodynamic and Heat Flux Measurements in a Single-Stage Fully Cooled Turbine—Part II: Experimental Results

Experimental and Numerical Analysis of High Heat Transfer Phenomenon in Minichannel Gaseous Cooling

Flow Control of Annular Compressor Cascade by Synthetic Jets

Heat Transfer at High Rotation Numbers in a Two-Pass 4:1 Aspect Ratio Rectangular Channel With $45 \deg$ Skewed Ribs

Evolution of Surface Deposits on a High-Pressure Turbine Blade—Part I: Physical Characteristics

Evolution of Surface Deposits on a High-Pressure Turbine Blade—Part II: Convective Heat Transfer

The Impact of Gas Modeling in the Numerical Analysis of a Multistage Gas Turbine

Impulse Response Processing of Transient Heat Transfer Gauge Signals

A Comparison of Approximate Versus Exact Geometrical Representations of Roughness for CFD Calculations of $c_{f}$ and St

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