Volume 134 Issue 3 | J. Turbomach. | ASME Digital Collection

Research Papers

PIV Measurement of Secondary Flow in a Rotating Two-Pass Cooling System With an Improved Sequencer Technique

Martin Elfert, Michael Schroll, Wolfgang Förster

J. Turbomach. May 2012, 134(3): 031001. doi: https://doi.org/10.1115/1.4003222

View articletitled, PIV Measurement of Secondary Flow in a Rotating Two-Pass Cooling System With an Improved Sequencer Technique

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Topics: Flow (Dynamics) , Rotation , Vortices , Cooling systems

Transient Thermal Field Measurements in a High Aspect Ratio Channel Related to Transient Thermochromic Liquid Crystal Experiments

Sean C. Jenkins, Igor V. Shevchuk, Jens von Wolfersdorf, Bernhard Weigand

J. Turbomach. May 2012, 134(3): 031002. doi: https://doi.org/10.1115/1.3106028

Abstract

View articletitled, Transient Thermal Field Measurements in a High Aspect Ratio Channel Related to Transient Thermochromic Liquid Crystal Experiments

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Topics: Fluids , Heat transfer , Liquid crystals , Temperature , Temperature distribution , Transients (Dynamics)

Blade Lean and Shroud Leakage Flows in Low Aspect Ratio Turbines

Budimir Rosic, Liping Xu

J. Turbomach. May 2012, 134(3): 031003. doi: https://doi.org/10.1115/1.3106002

Abstract

View articletitled, Blade Lean and Shroud Leakage Flows in Low Aspect Ratio Turbines

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Topics: Blades , Stators , Turbines , Flow (Dynamics) , Leakage flows , Rotors

Three-Dimensional Aerodynamic Optimization for Axial-Flow Compressors Based on the Inverse Design and the Aerodynamic Parameters

Liu He, Peng Shan

J. Turbomach. May 2012, 134(3): 031004. doi: https://doi.org/10.1115/1.4003252

Abstract

View articletitled, Three-Dimensional Aerodynamic Optimization for Axial-Flow Compressors Based on the Inverse Design and the Aerodynamic Parameters

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Topics: Design , Optimization , Compressors , Blades , Rotors

Integrated Combustor and Vane Concept in Gas Turbines

Budimir Rosic, John D. Denton, John H. Horlock, Sumiu Uchida

J. Turbomach. May 2012, 134(3): 031005. doi: https://doi.org/10.1115/1.4003023

Abstract

View articletitled, Integrated Combustor and Vane Concept in Gas Turbines

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Topics: Combustion chambers , Cooling , Flow (Dynamics) , Gas turbines , Film cooling

Investigation of Coriolis Forces Effect of Flow Structure and Heat Transfer Distribution in a Rotating Dimpled Channel

Mohammad A. Elyyan, Danesh K. Tafti

J. Turbomach. May 2012, 134(3): 031007. doi: https://doi.org/10.1115/1.4003027

Abstract

View articletitled, Investigation of Coriolis Forces Effect of Flow Structure and Heat Transfer Distribution in a Rotating Dimpled Channel

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Topics: Coriolis force , Flow (Dynamics) , Heat transfer , Rotation , Turbulence , Friction

Assessment of URANS and DES for Prediction of Leading Edge Film Cooling

Toshihiko Takahashi, Ken-ichi Funazaki, Hamidon Bin Salleh, Eiji Sakai, Kazunori Watanabe

J. Turbomach. May 2012, 134(3): 031008. doi: https://doi.org/10.1115/1.4003054

Abstract

View articletitled, Assessment of URANS and DES for Prediction of Leading Edge Film Cooling

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

The Application of Flow Control to an Aft-Loaded Low Pressure Turbine Cascade With Unsteady Wakes

Jeffrey P. Bons, Jon Pluim, Kyle Gompertz, Matthew Bloxham, John P. Clark

J. Turbomach. May 2012, 134(3): 031009. doi: https://doi.org/10.1115/1.4000488

Abstract

View articletitled, The Application of Flow Control to an Aft-Loaded Low Pressure Turbine Cascade With Unsteady Wakes

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Topics: Blades , Pressure , Wakes , Flow control , Cascades (Fluid dynamics) , Flow (Dynamics) , Separation (Technology) , Turbines

Prediction of Ingress Through Turbine Rim Seals—Part I: Externally Induced Ingress

J. Michael Owen, Kunyuan Zhou, Oliver Pountney, Mike Wilson, Gary Lock

J. Turbomach. May 2012, 134(3): 031012. doi: https://doi.org/10.1115/1.4003070

Abstract

View articletitled, Prediction of Ingress Through Turbine Rim Seals—Part I: Externally Induced Ingress

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Topics: Annulus , Computational fluid dynamics , Flow (Dynamics) , Pressure , Sealing (Process) , Wheels , Clearances (Engineering) , Turbines , Blades

Prediction of Ingress Through Turbine Rim Seals—Part II: Combined Ingress

J. Michael Owen, Oliver Pountney, Gary Lock

J. Turbomach. May 2012, 134(3): 031013. doi: https://doi.org/10.1115/1.4003071

Abstract

View articletitled, Prediction of Ingress Through Turbine Rim Seals—Part II: Combined Ingress

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Topics: Annulus , Discharge coefficient , Engines , Flow (Dynamics) , Pressure , Turbines , Sealing (Process) , Clearances (Engineering) , Fluids , Wheels

Heat Transfer for the Blade of a Cooled Stage and One-Half High-Pressure Turbine—Part I: Influence of Cooling Variation

R. M. Mathison, C. W. Haldeman, M. G. Dunn

J. Turbomach. May 2012, 134(3): 031014. doi: https://doi.org/10.1115/1.4003173

Abstract

View articletitled, Heat Transfer for the Blade of a Cooled Stage and One-Half High-Pressure Turbine—Part I: Influence of Cooling Variation

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Topics: Blades , Cooling , Temperature , Temperature profiles , Flow (Dynamics) , Pressure

Heat Transfer for the Blade of a Cooled Stage and One-Half High-Pressure Turbine—Part II: Independent Influences of Vane Trailing Edge and Purge Cooling

R. M. Mathison, C. W. Haldeman, M. G. Dunn

J. Turbomach. May 2012, 134(3): 031015. doi: https://doi.org/10.1115/1.4003174

Abstract

View articletitled, Heat Transfer for the Blade of a Cooled Stage and One-Half High-Pressure Turbine—Part II: Independent Influences of Vane Trailing Edge and Purge Cooling

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Topics: Blades , Cooling , Flow (Dynamics) , Heat transfer , Pressure , Cavities

Effect of Blade Inclination Angle on a Darrieus Wind Turbine

Marco Raciti Castelli, Ernesto Benini

J. Turbomach. May 2012, 134(3): 031016. doi: https://doi.org/10.1115/1.4003212

Abstract

View articletitled, Effect of Blade Inclination Angle on a Darrieus Wind Turbine

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Topics: Blades , Rotors , Torque

CFD Analysis of Flow and Heat Transfer in a Direct Transfer Preswirl System

Umesh Javiya, John W. Chew, Nicholas J. Hills, Leisheng Zhou, Mike Wilson, Gary D. Lock

J. Turbomach. May 2012, 134(3): 031017. doi: https://doi.org/10.1115/1.4003229

Abstract

View articletitled, CFD Analysis of Flow and Heat Transfer in a Direct Transfer Preswirl System

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Topics: Computational fluid dynamics , Flow (Dynamics) , Heat transfer , Nozzles , Turbulence , Disks , Modeling

The Internal Structure of the Tip Leakage Vortex Within the Rotor of an Axial Waterjet Pump

Rinaldo L. Miorini, Huixuan Wu, Joseph Katz

J. Turbomach. May 2012, 134(3): 031018. doi: https://doi.org/10.1115/1.4003065

Abstract

View articletitled, The Internal Structure of the Tip Leakage Vortex Within the Rotor of an Axial Waterjet Pump

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Topics: Blades , Flow (Dynamics) , Leakage , Pumps , Rotors , Turbulence , Vortices , Vorticity , Statistics

Instability and Transition in a Separation Bubble Under a Three-Dimensional Freestream Pressure Distribution

M. I. Yaras

J. Turbomach. May 2012, 134(3): 031019. doi: https://doi.org/10.1115/1.4000533

Abstract

View articletitled, Instability and Transition in a Separation Bubble Under a Three-Dimensional Freestream Pressure Distribution

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Topics: Boundary layers , Bubbles , Flow (Dynamics) , Pressure , Separation (Technology) , Shear (Mechanics) , Turbulence , Wire , Suction

Minimizing Inlet Distortion for Hybrid Wing Body Aircraft

Meng-Sing Liou, Byung Joon Lee

J. Turbomach. May 2012, 134(3): 031020. doi: https://doi.org/10.1115/1.4003072

Abstract

View articletitled, Minimizing Inlet Distortion for Hybrid Wing Body Aircraft

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Topics: Boundary layers , Design , Flow (Dynamics) , Geometry , Optimization , Pressure , Aircraft , Wings , Shapes

A Redesign Strategy to Improve the Efficiency of a 17-Stage Steam Turbine

Filippo Rubechini, Andrea Schneider, Andrea Arnone, Stefano Cecchi, Francesco Malavasi

J. Turbomach. May 2012, 134(3): 031021. doi: https://doi.org/10.1115/1.4003082

Abstract

View articletitled, A Redesign Strategy to Improve the Efficiency of a 17-Stage Steam Turbine

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Topics: Flow (Dynamics) , Geometry , Leakage , Optimization , Rotors , Stators , Steam turbines , Turbines , Computation , Boundary-value problems

Heat Transfer Characteristics of an Oblique Jet Impingement Configuration in a Passage With Ribbed Surfaces

Florian Hoefler, Simon Schueren, Jens von Wolfersdorf, Shailendra Naik

J. Turbomach. May 2012, 134(3): 031022. doi: https://doi.org/10.1115/1.4003084

Abstract

View articletitled, Heat Transfer Characteristics of an Oblique Jet Impingement Configuration in a Passage With Ribbed Surfaces

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Topics: Geometry , Heat transfer , Jets , Reynolds number , Transients (Dynamics) , Flow (Dynamics)

Research Papers

Influence of Coolant Density on Turbine Blade Film-Cooling Using Pressure Sensitive Paint Technique

Diganta P. Narzary, Kuo-Chun Liu, Akhilesh P. Rallabandi, Je-Chin Han

J. Turbomach. May 2012, 134(3): 031006. doi: https://doi.org/10.1115/1.4003025

Abstract

View articletitled, Influence of Coolant Density on Turbine Blade Film-Cooling Using Pressure Sensitive Paint Technique

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Topics: Blades , Coolants , Density , Film cooling , Pressure , Turbulence , Suction , Turbine blades

Fully Cooled Single Stage HP Transonic Turbine—Part I: Influence of Cooling Mass Flow Variations and Inlet Temperature Profiles on Blade Internal and External Aerodynamics

C. W. Haldeman, M. G. Dunn, R. M. Mathison

J. Turbomach. May 2012, 134(3): 031010. doi: https://doi.org/10.1115/1.4002967

Abstract

View articletitled, Fully Cooled Single Stage HP Transonic Turbine—Part I: Influence of Cooling Mass Flow Variations and Inlet Temperature Profiles on Blade Internal and External Aerodynamics

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Topics: Blades , Cooling , Flow (Dynamics) , Pressure , Temperature profiles , Temperature , Rotors , Suction , Turbines , Aerodynamics

Fully Cooled Single Stage HP Transonic Turbine—Part II: Influence of Cooling Mass Flow Changes and Inlet Temperature Profiles on Blade and Shroud Heat-Transfer

C. W. Haldeman, M. G. Dunn, R. M. Mathison

J. Turbomach. May 2012, 134(3): 031011. doi: https://doi.org/10.1115/1.4002968

Abstract

View articletitled, Fully Cooled Single Stage HP Transonic Turbine—Part II: Influence of Cooling Mass Flow Changes and Inlet Temperature Profiles on Blade and Shroud Heat-Transfer

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

Technical Briefs

Turbine Efficiency for Unsteady, Periodic Flows

Ambady Suresh, Douglas C. Hofer, Venkat E. Tangirala

J. Turbomach. May 2012, 134(3): 034501. doi: https://doi.org/10.1115/1.4003246

Abstract

View articletitled, Turbine Efficiency for Unsteady, Periodic Flows

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

Research Papers

PIV Measurement of Secondary Flow in a Rotating Two-Pass Cooling System With an Improved Sequencer Technique

Transient Thermal Field Measurements in a High Aspect Ratio Channel Related to Transient Thermochromic Liquid Crystal Experiments

Blade Lean and Shroud Leakage Flows in Low Aspect Ratio Turbines

Three-Dimensional Aerodynamic Optimization for Axial-Flow Compressors Based on the Inverse Design and the Aerodynamic Parameters

Integrated Combustor and Vane Concept in Gas Turbines

Investigation of Coriolis Forces Effect of Flow Structure and Heat Transfer Distribution in a Rotating Dimpled Channel

Assessment of URANS and DES for Prediction of Leading Edge Film Cooling

The Application of Flow Control to an Aft-Loaded Low Pressure Turbine Cascade With Unsteady Wakes

Prediction of Ingress Through Turbine Rim Seals—Part I: Externally Induced Ingress

Prediction of Ingress Through Turbine Rim Seals—Part II: Combined Ingress

Heat Transfer for the Blade of a Cooled Stage and One-Half High-Pressure Turbine—Part I: Influence of Cooling Variation

Heat Transfer for the Blade of a Cooled Stage and One-Half High-Pressure Turbine—Part II: Independent Influences of Vane Trailing Edge and Purge Cooling

Effect of Blade Inclination Angle on a Darrieus Wind Turbine

CFD Analysis of Flow and Heat Transfer in a Direct Transfer Preswirl System

The Internal Structure of the Tip Leakage Vortex Within the Rotor of an Axial Waterjet Pump

Instability and Transition in a Separation Bubble Under a Three-Dimensional Freestream Pressure Distribution

Minimizing Inlet Distortion for Hybrid Wing Body Aircraft

A Redesign Strategy to Improve the Efficiency of a 17-Stage Steam Turbine

Heat Transfer Characteristics of an Oblique Jet Impingement Configuration in a Passage With Ribbed Surfaces

Research Papers

Influence of Coolant Density on Turbine Blade Film-Cooling Using Pressure Sensitive Paint Technique

Fully Cooled Single Stage HP Transonic Turbine—Part I: Influence of Cooling Mass Flow Variations and Inlet Temperature Profiles on Blade Internal and External Aerodynamics

Fully Cooled Single Stage HP Transonic Turbine—Part II: Influence of Cooling Mass Flow Changes and Inlet Temperature Profiles on Blade and Shroud Heat-Transfer

Technical Briefs

Turbine Efficiency for Unsteady, Periodic Flows

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