Volume 131 Issue 1 | J. Turbomach. | ASME Digital Collection

Research Papers

Numerical Investigations of the Coupled Flow Through a Subsonic Compressor Rotor and Axial Skewed Slot

Xingen Lu, Wuli Chu, Junqiang Zhu, Yangfeng Zhang

J. Turbomach. January 2009, 131(1): 011001. doi: https://doi.org/10.1115/1.2948959

View articletitled, Numerical Investigations of the Coupled Flow Through a Subsonic Compressor Rotor and Axial Skewed Slot

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

Interstage Flow Interactions and Loss Generation in a Two-Stage Shrouded Axial Turbine

L. Porreca, A. I. Kalfas, R. S. Abhari, Y. I. Yun, S. J. Song

J. Turbomach. January 2009, 131(1): 011002. doi: https://doi.org/10.1115/1.2948961

Abstract

View articletitled, Interstage Flow Interactions and Loss Generation in a Two-Stage Shrouded Axial Turbine

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

Effect of Trench Width and Depth on Film Cooling From Cylindrical Holes Embedded in Trenches

Yiping Lu, Alok Dhungel, Srinath V. Ekkad, Ronald S. Bunker

J. Turbomach. January 2009, 131(1): 011003. doi: https://doi.org/10.1115/1.2950057

Abstract

View articletitled, Effect of Trench Width and Depth on Film Cooling From Cylindrical Holes Embedded in Trenches

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Topics: Computational fluid dynamics , Coolants , Film cooling , Heat transfer coefficients , Temperature , Flow (Dynamics) , Blades , Cooling , Thermography , Transients (Dynamics)

Effect of the Leakage Flows and the Upstream Platform Geometry on the Endwall Flows of a Turbine Cascade

E. de la Rosa Blanco, H. P. Hodson, R. Vazquez

J. Turbomach. January 2009, 131(1): 011004. doi: https://doi.org/10.1115/1.2950052

Abstract

View articletitled, Effect of the Leakage Flows and the Upstream Platform Geometry on the Endwall Flows of a Turbine Cascade

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Topics: Blades , Cavities , Flow (Dynamics) , Leakage , Leakage flows , Pressure , Turbines , Bubbles , Boundary layers , Separation (Technology)

Film Cooling Measurements for Cratered Cylindrical Inclined Holes

Yiping Lu, Alok Dhungel, Srinath V. Ekkad, Ronald S. Bunker

J. Turbomach. January 2009, 131(1): 011005. doi: https://doi.org/10.1115/1.2950055

Abstract

View articletitled, Film Cooling Measurements for Cratered Cylindrical Inclined Holes

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Topics: Blades , Computational fluid dynamics , Coolants , Film cooling , Heat transfer coefficients , Jets , Temperature , Thermal barrier coatings , Spraying (Coating processes) , Cooling

Aerothermal Investigations of Tip Leakage Flow in Axial Flow Turbines—Part I: Effect of Tip Geometry and Tip Clearance Gap

S. K. Krishnababu, P. J. Newton, W. N. Dawes, G. D. Lock, H. P. Hodson, J. Hannis, C. Whitney

J. Turbomach. January 2009, 131(1): 011006. doi: https://doi.org/10.1115/1.2950068

Abstract

View articletitled, Aerothermal Investigations of Tip Leakage Flow in Axial Flow Turbines—Part I: Effect of Tip Geometry and Tip Clearance Gap

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Topics: Blades , Cavities , Clearances (Engineering) , Flow (Dynamics) , Geometry , Heat transfer , Leakage , Leakage flows , Pressure , Suction

Aerothermal Investigations of Tip Leakage Flow in Axial Flow Turbines—Part II: Effect of Relative Casing Motion

S. K. Krishnababu, W. N. Dawes, H. P. Hodson, G. D. Lock, J. Hannis, C. Whitney

J. Turbomach. January 2009, 131(1): 011007. doi: https://doi.org/10.1115/1.2952378

Abstract

View articletitled, Aerothermal Investigations of Tip Leakage Flow in Axial Flow Turbines—Part II: Effect of Relative Casing Motion

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Topics: Axial flow , Blades , Cavities , Computation , Flow (Dynamics) , Heat transfer , Leakage , Leakage flows , Pressure , Suction

Aerothermal Investigations of Tip Leakage Flow in Axial Flow Turbines—Part III: TIP Cooling

P. J. Newton, G. D. Lock, S. K. Krishnababu, H. P. Hodson, W. N. Dawes, J. Hannis, C. Whitney

J. Turbomach. January 2009, 131(1): 011008. doi: https://doi.org/10.1115/1.2950060

Abstract

View articletitled, Aerothermal Investigations of Tip Leakage Flow in Axial Flow Turbines—Part III: TIP Cooling

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Topics: Blades , Coolants , Cooling , Film cooling , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Pressure , Turbines , Leakage flows

Identification of the Stability Margin Between Safe Operation and the Onset of Blade Flutter

Tim Rice, David Bell, Gurnam Singh

J. Turbomach. January 2009, 131(1): 011009. doi: https://doi.org/10.1115/1.2812339

Abstract

View articletitled, Identification of the Stability Margin Between Safe Operation and the Onset of Blade Flutter

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Topics: Blades , Computational fluid dynamics , Damping , Flutter (Aerodynamics) , Stability , Vibration , Flow (Dynamics) , Magnets , Steam turbines

Effects of Obstructions and Surface Roughness on Film Cooling Effectiveness With and Without a Transverse Trench

Ruwan P. Somawardhana, David G. Bogard

J. Turbomach. January 2009, 131(1): 011010. doi: https://doi.org/10.1115/1.2950063

Abstract

View articletitled, Effects of Obstructions and Surface Roughness on Film Cooling Effectiveness With and Without a Transverse Trench

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Topics: Surface roughness , Film cooling

Aeroelastic Analysis of Rotors With Flexible Disks and Alternate Blade Mistuning

James M. Bleeg, Ming-Ta Yang, James A. Eley

J. Turbomach. January 2009, 131(1): 011011. doi: https://doi.org/10.1115/1.2812957

Abstract

View articletitled, Aeroelastic Analysis of Rotors With Flexible Disks and Alternate Blade Mistuning

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Topics: Blades , Damping , Disks , Flutter (Aerodynamics) , Rotors , Shapes , Amperes , Computational fluid dynamics

Turbine Airfoil Net Heat Flux Reduction With Cylindrical Holes Embedded in a Transverse Trench

Katharine L. Harrison, John R. Dorrington, Jason E. Dees, David G. Bogard, Ronald S. Bunker

J. Turbomach. January 2009, 131(1): 011012. doi: https://doi.org/10.1115/1.2812967

Abstract

View articletitled, Turbine Airfoil Net Heat Flux Reduction With Cylindrical Holes Embedded in a Transverse Trench

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Topics: Airfoils , Boundary layers , Coolants , Film cooling , Flow (Dynamics) , Heat flux , Heat transfer , Heat transfer coefficients , Heating , Turbines

Blade Tip Clearance Flow and Compressor Nonsynchronous Vibrations: The Jet Core Feedback Theory as the Coupling Mechanism

Jean Thomassin, Huu Duc Vo, Njuki W. Mureithi

J. Turbomach. January 2009, 131(1): 011013. doi: https://doi.org/10.1115/1.2812979

Abstract

View articletitled, Blade Tip Clearance Flow and Compressor Nonsynchronous Vibrations: The Jet Core Feedback Theory as the Coupling Mechanism

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Topics: Blades , Feedback , Flow (Dynamics) , Resonance , Rotors , Vibration , Waves , Compressors , Clearances (Engineering) , Pressure

Film-Cooling Effectiveness on a Rotating Blade Platform

A. Suryanarayanan, S. P. Mhetras, M. T. Schobeiri, J. C. Han

J. Turbomach. January 2009, 131(1): 011014. doi: https://doi.org/10.1115/1.2752184

Abstract

View articletitled, Film-Cooling Effectiveness on a Rotating Blade Platform

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

Boundary Layer Influence on the Unsteady Horseshoe Vortex Flow and Surface Heat Transfer

D. R. Sabatino, C. R. Smith

J. Turbomach. January 2009, 131(1): 011015. doi: https://doi.org/10.1115/1.2813001

Abstract

View articletitled, Boundary Layer Influence on the Unsteady Horseshoe Vortex Flow and Surface Heat Transfer

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Topics: Boundary layer turbulence , Boundary layers , Cascades (Fluid dynamics) , Cylinders , Heat transfer , Vickers hardness testing , Vortices , Airfoils , Flow (Dynamics) , Turbines

Gill Slot Trailing Edge Aerodynamics: Effects of Blowing Rate, Reynolds Number, and External Turbulence on Aerodynamic Losses and Pressure Distribution

J. D. Johnson, N. J. Fiala, F. E. Ames

J. Turbomach. January 2009, 131(1): 011016. doi: https://doi.org/10.1115/1.2813002

Abstract

View articletitled, Gill Slot Trailing Edge Aerodynamics: Effects of Blowing Rate, Reynolds Number, and External Turbulence on Aerodynamic Losses and Pressure Distribution

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Topics: Flow (Dynamics) , Pressure , Reynolds number , Turbulence , Design , Cascades (Fluid dynamics) , Coolants

Endwall Boundary Layer Development in an Engine Representative Four-Stage Low Pressure Turbine Rig

Maria Vera, Elena de la Rosa Blanco, Howard Hodson, Raul Vazquez

J. Turbomach. January 2009, 131(1): 011017. doi: https://doi.org/10.1115/1.2952382

Abstract

View articletitled, Endwall Boundary Layer Development in an Engine Representative Four-Stage Low Pressure Turbine Rig

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Topics: Blades , Boundary layers , Cascades (Fluid dynamics) , Flow (Dynamics) , Pressure , Sensors , Shear stress , Turbines , Turbulence , Engines

Time Resolved Experimental Investigations of an Axial Compressor With Casing Treatment

R. Emmrich, H. Hönen, R. Niehuis

J. Turbomach. January 2009, 131(1): 011018. doi: https://doi.org/10.1115/1.2813005

Abstract

View articletitled, Time Resolved Experimental Investigations of an Axial Compressor With Casing Treatment

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Topics: Blades , Compressors , Flow (Dynamics) , Pressure , Rotors , Design , Separation (Technology)

Film-Cooling on a Gas Turbine Blade Pressure Side or Suction Side With Compound Angle Shaped Holes

Zhihong Gao, Diganta P. Narzary, Je-Chin Han

J. Turbomach. January 2009, 131(1): 011019. doi: https://doi.org/10.1115/1.2813012

Abstract

View articletitled, Film-Cooling on a Gas Turbine Blade Pressure Side or Suction Side With Compound Angle Shaped Holes

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Topics: Blades , Coolants , Film cooling , Pressure , Wakes , Suction , Mach number , Cooling , Vortices

Effect of End Wall Contouring on Performance of Ultra-Low Aspect Ratio Transonic Turbine Inlet Guide Vanes

Toyotaka Sonoda, Martina Hasenjäger, Toshiyuki Arima, Bernhard Sendhoff

J. Turbomach. January 2009, 131(1): 011020. doi: https://doi.org/10.1115/1.2813015

Abstract

View articletitled, Effect of End Wall Contouring on Performance of Ultra-Low Aspect Ratio Transonic Turbine Inlet Guide Vanes

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

Experimental and Numerical Impingement Heat Transfer in an Airfoil Leading-Edge Cooling Channel With Cross-Flow

M. E. Taslim, D. Bethka

J. Turbomach. January 2009, 131(1): 011021. doi: https://doi.org/10.1115/1.2950058

Abstract

View articletitled, Experimental and Numerical Impingement Heat Transfer in an Airfoil Leading-Edge Cooling Channel With Cross-Flow

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Topics: Airfoils , Cooling , Cross-flow , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Jets , Reynolds number , Pressure , Channel flow

Research Papers

Numerical Investigations of the Coupled Flow Through a Subsonic Compressor Rotor and Axial Skewed Slot

Interstage Flow Interactions and Loss Generation in a Two-Stage Shrouded Axial Turbine

Effect of Trench Width and Depth on Film Cooling From Cylindrical Holes Embedded in Trenches

Effect of the Leakage Flows and the Upstream Platform Geometry on the Endwall Flows of a Turbine Cascade

Film Cooling Measurements for Cratered Cylindrical Inclined Holes

Aerothermal Investigations of Tip Leakage Flow in Axial Flow Turbines—Part I: Effect of Tip Geometry and Tip Clearance Gap

Aerothermal Investigations of Tip Leakage Flow in Axial Flow Turbines—Part II: Effect of Relative Casing Motion

Aerothermal Investigations of Tip Leakage Flow in Axial Flow Turbines—Part III: TIP Cooling

Identification of the Stability Margin Between Safe Operation and the Onset of Blade Flutter

Effects of Obstructions and Surface Roughness on Film Cooling Effectiveness With and Without a Transverse Trench

Aeroelastic Analysis of Rotors With Flexible Disks and Alternate Blade Mistuning

Turbine Airfoil Net Heat Flux Reduction With Cylindrical Holes Embedded in a Transverse Trench

Blade Tip Clearance Flow and Compressor Nonsynchronous Vibrations: The Jet Core Feedback Theory as the Coupling Mechanism

Film-Cooling Effectiveness on a Rotating Blade Platform

Boundary Layer Influence on the Unsteady Horseshoe Vortex Flow and Surface Heat Transfer

Gill Slot Trailing Edge Aerodynamics: Effects of Blowing Rate, Reynolds Number, and External Turbulence on Aerodynamic Losses and Pressure Distribution

Endwall Boundary Layer Development in an Engine Representative Four-Stage Low Pressure Turbine Rig

Time Resolved Experimental Investigations of an Axial Compressor With Casing Treatment

Film-Cooling on a Gas Turbine Blade Pressure Side or Suction Side With Compound Angle Shaped Holes

Effect of End Wall Contouring on Performance of Ultra-Low Aspect Ratio Transonic Turbine Inlet Guide Vanes

Experimental and Numerical Impingement Heat Transfer in an Airfoil Leading-Edge Cooling Channel With Cross-Flow

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