Volume 131 Issue 4 | J. Turbomach. | ASME Digital Collection

Research Papers

Boundary Layer Separation Control With Fluidic Oscillators

J. Turbomach. October 2009, 131(4): 041001. doi: https://doi.org/10.1115/1.3066242

View articletitled, Boundary Layer Separation Control With Fluidic Oscillators

Topics: Boundary layers , Diffusers , Flow (Dynamics) , Flow control , Pressure , Separation (Technology) , Actuators , Turbomachinery , Pressure gradient , Valves

Superposition Predictions of the Reduction of Hot Streaks by Coolant From a Film-Cooled Guide Vane

Sean C. Jenkins, David G. Bogard

J. Turbomach. October 2009, 131(4): 041002. doi: https://doi.org/10.1115/1.2948964

Abstract

View articletitled, Superposition Predictions of the Reduction of Hot Streaks by Coolant From a Film-Cooled Guide Vane

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Topics: Coolants , Film cooling , Suction , Temperature , Turbulence , Pressure

Prediction of Film Cooling and Heat Transfer on a Rotating Blade Platform With Stator-Rotor Purge and Discrete Film-Hole Flows in a $1 - \frac{1}{2}$ Turbine Stage

H. Yang, Z. Gao, H. C. Chen, J. C. Han, M. T. Schobeir

J. Turbomach. October 2009, 131(4): 041003. doi: https://doi.org/10.1115/1.3068325

Abstract

View articletitled, Prediction of Film Cooling and Heat Transfer on a Rotating Blade Platform With Stator-Rotor Purge and Discrete Film-Hole Flows in a <span class="inline-formula no-formula-id"><span class="mathFormula"></span><math xmlns="http://www.w3.org/1998/Math/MathML"><mrow xmlns=""><mn>1</mn><mtext>-</mtext><mstyle scriptlevel="1"><mfrac bevelled="false"><mn>1</mn><mn>2</mn></mfrac></mstyle></mrow></math></span> Turbine Stage

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Topics: Blades , Coolants , Film cooling , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Rotors , Stators , Turbines , Rotating blades

Turbine Blade Platform Film Cooling With Typical Stator-Rotor Purge Flow and Discrete-Hole Film Cooling

Zhihong Gao, Diganta Narzary, Je-Chin Han

J. Turbomach. October 2009, 131(4): 041004. doi: https://doi.org/10.1115/1.3068327

Abstract

View articletitled, Turbine Blade Platform Film Cooling With Typical Stator-Rotor Purge Flow and Discrete-Hole Film Cooling

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Topics: Film cooling , Flow (Dynamics) , Pressure , Rotors , Stators , Blades , Cooling , Coolants

Heat Transfer Coefficients of Film Cooling on a Rotating Turbine Blade Model—Part I: Effect of Blowing Ratio

Zhi Tao, Zhenming Zhao, Shuiting Ding, Guoqiang Xu, Bin Yang, Hongwei Wu

J. Turbomach. October 2009, 131(4): 041005. doi: https://doi.org/10.1115/1.3068329

Abstract

View articletitled, Heat Transfer Coefficients of Film Cooling on a Rotating Turbine Blade Model—Part I: Effect of Blowing Ratio

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Topics: Blades , Coolants , Film cooling , Heat transfer coefficients , Carbon dioxide , Density , Pressure , Rotation

Film-Cooling Flowfields With Trenched Holes on an Endwall

N. Sundaram, K. A. Thole

J. Turbomach. October 2009, 131(4): 041007. doi: https://doi.org/10.1115/1.3068316

Abstract

View articletitled, Film-Cooling Flowfields With Trenched Holes on an Endwall

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Topics: Coolants , Film cooling , Flow (Dynamics) , Turbulence , Vortices , Cooling , Jets

The Effects of Aerodynamic Asymmetric Perturbations on Forced Response of Bladed Disks

Tomokazu Miyakozawa, Robert E. Kielb, Kenneth C. Hall

J. Turbomach. October 2009, 131(4): 041008. doi: https://doi.org/10.1115/1.3068319

Abstract

View articletitled, The Effects of Aerodynamic Asymmetric Perturbations on Forced Response of Bladed Disks

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Topics: Blades , Disks , Excitation , Aerodynamics

Sensitization of the SST Turbulence Model to Rotation and Curvature by Applying the Spalart–Shur Correction Term

Pavel E. Smirnov, Florian R. Menter

J. Turbomach. October 2009, 131(4): 041010. doi: https://doi.org/10.1115/1.3070573

Abstract

View articletitled, Sensitization of the SST Turbulence Model to Rotation and Curvature by Applying the Spalart–Shur Correction Term

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Topics: Flow (Dynamics) , Rotation , Turbulence

Effect of Unsteadiness on the Performance of a Transonic Centrifugal Compressor Stage

Isabelle Trébinjac, Pascale Kulisa, Nicolas Bulot, Nicolas Rochuon

J. Turbomach. October 2009, 131(4): 041011. doi: https://doi.org/10.1115/1.3070575

Abstract

View articletitled, Effect of Unsteadiness on the Performance of a Transonic Centrifugal Compressor Stage

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Topics: Blades , Compressors , Diffusers , Flow (Dynamics) , Impellers , Mach number , Pressure , Wakes , Shock (Mechanics) , Turbulence

Effect of Wakes and Secondary Flow on Re-attachment of Turbine Exit Annular Diffuser Flow

David Kluß, Horst Stoff, Alexander Wiedermann

J. Turbomach. October 2009, 131(4): 041012. doi: https://doi.org/10.1115/1.3070577

Abstract

View articletitled, Effect of Wakes and Secondary Flow on Re-attachment of Turbine Exit Annular Diffuser Flow

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Topics: Diffusers , Flow (Dynamics) , Wheels , Turbulence , Wakes

The Effect of Leading-Edge Geometry on Wake Interactions in Compressors

Andrew P. S. Wheeler, Alessandro Sofia, Robert J. Miller

J. Turbomach. October 2009, 131(4): 041013. doi: https://doi.org/10.1115/1.3104617

Abstract

View articletitled, The Effect of Leading-Edge Geometry on Wake Interactions in Compressors

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Topics: Blades , Boundary layers , Wakes , Compressors , Turbulence , Suction , Computational fluid dynamics , Flow (Dynamics) , Bubbles

Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept

A. Marn, E. Göttlich, D. Cadrecha, H. P. Pirker

J. Turbomach. October 2009, 131(4): 041014. doi: https://doi.org/10.1115/1.3070578

Abstract

View articletitled, Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept

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Topics: Design , Ducts , Flow (Dynamics) , Pressure , Struts (Engineering) , Turbines , Mach number , Probes , Blades , Yaw

Aerothermal Performance of Streamwise and Compound Angled Pulsating Film Cooling Jets

Vipluv Aga, Michel Mansour, Reza S. Abhari

J. Turbomach. October 2009, 131(4): 041015. doi: https://doi.org/10.1115/1.3072489

Abstract

View articletitled, Aerothermal Performance of Streamwise and Compound Angled Pulsating Film Cooling Jets

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Topics: Entropy , Film cooling , Flow (Dynamics) , Jets , Pressure , Temperature , Kinetic energy , Probes , Turbines

Influence of Wake Structure on Unsteady Flow in a Low Pressure Turbine Blade Passage

S. Sarkar

J. Turbomach. October 2009, 131(4): 041016. doi: https://doi.org/10.1115/1.3072490

Abstract

View articletitled, Influence of Wake Structure on Unsteady Flow in a Low Pressure Turbine Blade Passage

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

Heat Transfer in Leading Edge, Triangular Shaped Cooling Channels With Angled Ribs Under High Rotation Numbers

Yao-Hsien Liu, Michael Huh, Dong-Ho Rhee, Je-Chin Han, Hee-Koo Moon

J. Turbomach. October 2009, 131(4): 041017. doi: https://doi.org/10.1115/1.3072493

Abstract

View articletitled, Heat Transfer in Leading Edge, Triangular Shaped Cooling Channels With Angled Ribs Under High Rotation Numbers

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Topics: Cooling , Flow (Dynamics) , Heat transfer , Rotation , Buoyancy , Blades , Reynolds number

The Effects of Manufacturing Tolerances on Gas Turbine Cooling

Ronald S. Bunker

J. Turbomach. October 2009, 131(4): 041018. doi: https://doi.org/10.1115/1.3072494

Abstract

View articletitled, The Effects of Manufacturing Tolerances on Gas Turbine Cooling

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Topics: Airfoils , Blades , Cooling , Design , Manufacturing , Heat transfer , Temperature , Metals , Flow (Dynamics)

Windage Power Losses From Spiral Bevel Gears With Varying Oil Flows and Shroud Configurations

Graham Johnson, Budi Chandra, Colin Foord, Kathy Simmons

J. Turbomach. October 2009, 131(4): 041019. doi: https://doi.org/10.1115/1.3072519

Abstract

View articletitled, Windage Power Losses From Spiral Bevel Gears With Varying Oil Flows and Shroud Configurations

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Topics: Flow (Dynamics) , Gears , Torque , Spiral bevel gears

Simplified Approach to Predicting Rough Surface Transition

R. J. Boyle, M. Stripf

J. Turbomach. October 2009, 131(4): 041020. doi: https://doi.org/10.1115/1.3072521

Abstract

View articletitled, Simplified Approach to Predicting Rough Surface Transition

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Topics: Heat transfer , Surface roughness , Turbulence , Reynolds number

Research Papers

Investigations on the Discharge and Total Temperature Increase Characteristics of the Labyrinth Seals With Honeycomb and Smooth Lands

Xin Yan, Jun Li, Liming Song, Zhenping Feng

J. Turbomach. October 2009, 131(4): 041009. doi: https://doi.org/10.1115/1.3068320

Abstract

View articletitled, Investigations on the Discharge and Total Temperature Increase Characteristics of the Labyrinth Seals With Honeycomb and Smooth Lands

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Topics: Flow (Dynamics) , Heating , Honeycomb structures , Pressure , Temperature , Clearances (Engineering) , Sealing (Process) , Leakage flows , Numerical analysis

Technical Briefs

Experimental Study of Heat Transfer Augmentation Near the Entrance to a Film Cooling Hole in a Turbine Blade Cooling Passage

Gerard Scheepers, R. M. Morris

J. Turbomach. October 2009, 131(4): 044501. doi: https://doi.org/10.1115/1.3066294

Abstract

View articletitled, Experimental Study of Heat Transfer Augmentation Near the Entrance to a Film Cooling Hole in a Turbine Blade Cooling Passage

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Topics: Coolants , Cooling , Film cooling , Flow (Dynamics) , Heat transfer , Suction , Turbine blades , Temperature , Blades , Thin films

Research Papers

Boundary Layer Separation Control With Fluidic Oscillators

Superposition Predictions of the Reduction of Hot Streaks by Coolant From a Film-Cooled Guide Vane

Prediction of Film Cooling and Heat Transfer on a Rotating Blade Platform With Stator-Rotor Purge and Discrete Film-Hole Flows in a $1 - \frac{1}{2}$ Turbine Stage

Turbine Blade Platform Film Cooling With Typical Stator-Rotor Purge Flow and Discrete-Hole Film Cooling

Heat Transfer Coefficients of Film Cooling on a Rotating Turbine Blade Model—Part I: Effect of Blowing Ratio

Film-Cooling Flowfields With Trenched Holes on an Endwall

The Effects of Aerodynamic Asymmetric Perturbations on Forced Response of Bladed Disks

Sensitization of the SST Turbulence Model to Rotation and Curvature by Applying the Spalart–Shur Correction Term

Effect of Unsteadiness on the Performance of a Transonic Centrifugal Compressor Stage

Effect of Wakes and Secondary Flow on Re-attachment of Turbine Exit Annular Diffuser Flow

The Effect of Leading-Edge Geometry on Wake Interactions in Compressors

Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept

Aerothermal Performance of Streamwise and Compound Angled Pulsating Film Cooling Jets

Influence of Wake Structure on Unsteady Flow in a Low Pressure Turbine Blade Passage

Heat Transfer in Leading Edge, Triangular Shaped Cooling Channels With Angled Ribs Under High Rotation Numbers

The Effects of Manufacturing Tolerances on Gas Turbine Cooling

Windage Power Losses From Spiral Bevel Gears With Varying Oil Flows and Shroud Configurations

Simplified Approach to Predicting Rough Surface Transition

Research Papers

Investigations on the Discharge and Total Temperature Increase Characteristics of the Labyrinth Seals With Honeycomb and Smooth Lands

Technical Briefs

Experimental Study of Heat Transfer Augmentation Near the Entrance to a Film Cooling Hole in a Turbine Blade Cooling Passage

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