Volume 131 Issue 2 | J. Turbomach. | ASME Digital Collection

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Volume 131, Issue 2

April 2009

ISSN 0889-504X

EISSN 1528-8900

Research Papers

Heat Transfer Measurements and Predictions for a Modern, High-Pressure, Transonic Turbine, Including Endwalls

James A. Tallman, Charles W. Haldeman, Michael G. Dunn, Anil K. Tolpadi, Robert F. Bergholz

J. Turbomach. April 2009, 131(2): 021001. doi: https://doi.org/10.1115/1.2985072

Abstract

View articletitled, Heat Transfer Measurements and Predictions for a Modern, High-Pressure, Transonic Turbine, Including Endwalls

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Topics: Airfoils , Computational fluid dynamics , Flow (Dynamics) , Heat transfer , Pressure , Turbines , High pressure (Physics)

Mass∕Heat Transfer in Rotating, Smooth, High-Aspect Ratio (4:1) Coolant Channels With Curved Walls

Eashwar Sethuraman, Sumanta Acharya, Dimitris E. Nikitopoulos

J. Turbomach. April 2009, 131(2): 021002. doi: https://doi.org/10.1115/1.2812327

Abstract

View articletitled, Mass∕Heat Transfer in Rotating, Smooth, High-Aspect Ratio (4:1) Coolant Channels With Curved Walls

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Topics: Blades , Coolants , Curved walls , Ducts , Flow (Dynamics) , Heat transfer , Mass transfer , Rotation , Cross section (Physics)

A Method for Estimating the Influence of Time-Dependent Vane and Blade Pressure Fields on Turbine Rim Seal Ingestion

Bruce V. Johnson, Ralf Jakoby, Dieter E. Bohn, Didier Cunat

J. Turbomach. April 2009, 131(2): 021005. doi: https://doi.org/10.1115/1.2950053

Abstract

View articletitled, A Method for Estimating the Influence of Time-Dependent Vane and Blade Pressure Fields on Turbine Rim Seal Ingestion

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Topics: Blades , Cavities , Flow (Dynamics) , Pressure , Cooling , Turbines , Disks , Airfoils

On the Response of a Strongly Diffusing Flow to Propagating Wakes

J. P. Gostelow, R. L. Thomas, D. S. Adebayo

J. Turbomach. April 2009, 131(2): 021006. doi: https://doi.org/10.1115/1.2950054

Abstract

View articletitled, On the Response of a Strongly Diffusing Flow to Propagating Wakes

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Topics: Turbulence , Wakes , Flow (Dynamics)

Film Cooling From a Row of Holes Supplemented With Antivortex Holes

Alok Dhungel, Yiping Lu, Wynn Phillips, Srinath V. Ekkad, James Heidmann

J. Turbomach. April 2009, 131(2): 021007. doi: https://doi.org/10.1115/1.2950059

Abstract

View articletitled, Film Cooling From a Row of Holes Supplemented With Antivortex Holes

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Topics: Coolants , Cooling , Film cooling , Geometry , Heat transfer coefficients , Temperature , Transients (Dynamics) , Vortices , Heat flux , Turbulence

Effects of Combustor Exit Profiles on Vane Aerodynamic Loading and Heat Transfer in a High Pressure Turbine

M. D. Barringer, K. A. Thole, M. D. Polanka

J. Turbomach. April 2009, 131(2): 021008. doi: https://doi.org/10.1115/1.2950051

Abstract

View articletitled, Effects of Combustor Exit Profiles on Vane Aerodynamic Loading and Heat Transfer in a High Pressure Turbine

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Topics: Combustion chambers , Flow (Dynamics) , Heat transfer , High pressure (Physics) , Pressure , Temperature , Turbines , Temperature profiles

An Experimental Study of Combustor Exit Profile Shapes on Endwall Heat Transfer in High Pressure Turbine Vanes

M. D. Barringer, K. A. Thole, M. D. Polanka

J. Turbomach. April 2009, 131(2): 021009. doi: https://doi.org/10.1115/1.2950072

Abstract

View articletitled, An Experimental Study of Combustor Exit Profile Shapes on Endwall Heat Transfer in High Pressure Turbine Vanes

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Topics: Flow (Dynamics) , Gages , Heat transfer , Pressure , Shapes , Temperature , Turbines , Combustion chambers , High pressure (Physics) , Convection

Migration of Combustor Exit Profiles Through High Pressure Turbine Vanes

M. D. Barringer, K. A. Thole, M. D. Polanka, J. P. Clark, P. J. Koch

J. Turbomach. April 2009, 131(2): 021010. doi: https://doi.org/10.1115/1.2950076

Abstract

View articletitled, Migration of Combustor Exit Profiles Through High Pressure Turbine Vanes

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Topics: Flow (Dynamics) , Pressure , Turbines , Temperature , High pressure (Physics) , Combustion chambers , Turbulence , Shapes

Analysis of Turbulent Flow in 180 deg Turning Ducts With and Without Guide Vanes

Jiang Luo, Eli H. Razinsky

J. Turbomach. April 2009, 131(2): 021011. doi: https://doi.org/10.1115/1.2987239

Abstract

View articletitled, Analysis of Turbulent Flow in 180 deg Turning Ducts With and Without Guide Vanes

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Topics: Ducts , Flow (Dynamics) , Turbulence , Exterior walls , Pressure , Guide vanes , Flow separation , Separation (Technology)

Forced Convection Heat Transfer in Channels With Rib Turbulators Inclined at 45 deg

Giovanni Tanda, Roberto Abram, Ph.D. student

J. Turbomach. April 2009, 131(2): 021012. doi: https://doi.org/10.1115/1.2987241

Abstract

View articletitled, Forced Convection Heat Transfer in Channels With Rib Turbulators Inclined at 45 deg

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Topics: Flow (Dynamics) , Friction , Heat transfer , Heat transfer coefficients , Liquid crystals , Reynolds number , Heat flux , Heating , Temperature , Pressure drop

Unsteady Simulation of an Axial Compressor Stage With Casing and Blade Passive Treatments

Nicolas Gourdain, Francis Leboeuf

J. Turbomach. April 2009, 131(2): 021013. doi: https://doi.org/10.1115/1.2988156

Abstract

View articletitled, Unsteady Simulation of an Axial Compressor Stage With Casing and Blade Passive Treatments

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Topics: Compressors , Flow (Dynamics) , Rotors , Simulation , Blades

On the Coupling of Inverse Design and Optimization Techniques for the Multiobjective, Multipoint Design of Turbomachinery Blades

Duccio Bonaiuti, Mehrdad Zangeneh

J. Turbomach. April 2009, 131(2): 021014. doi: https://doi.org/10.1115/1.2950065

Abstract

View articletitled, On the Coupling of Inverse Design and Optimization Techniques for the Multiobjective, Multipoint Design of Turbomachinery Blades

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Topics: Blades , Design , Compressors , Optimization , Flow (Dynamics)

A Conceptual Flutter Analysis of a Packet of Vanes Using a Mass-Spring Model

Roque Corral, Juan Manuel Gallardo, Carlos Martel

J. Turbomach. April 2009, 131(2): 021016. doi: https://doi.org/10.1115/1.2952364

Abstract

View articletitled, A Conceptual Flutter Analysis of a Packet of Vanes Using a Mass-Spring Model

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Topics: Aerodynamics , Damping , Flutter (Aerodynamics) , Springs , Stators

Effect of Upstream Wake With Vortex on Turbine Blade Platform Film Cooling With Simulated Stator-Rotor Purge Flow

Lesley M. Wright, Sarah A. Blake, Dong-Ho Rhee, Je-Chin Han

J. Turbomach. April 2009, 131(2): 021017. doi: https://doi.org/10.1115/1.2952365

Abstract

View articletitled, Effect of Upstream Wake With Vortex on Turbine Blade Platform Film Cooling With Simulated Stator-Rotor Purge Flow

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Topics: Blades , Film cooling , Flow (Dynamics) , Vortices , Wakes , Wings , Rotors , Stators , Coolants , Cascades (Fluid dynamics)

Numerical Investigation of Tandem Airfoils for Subsonic Axial-Flow Compressor Blades

Jonathan McGlumphy, Wing-Fai Ng, Steven R. Wellborn, Severin Kempf

J. Turbomach. April 2009, 131(2): 021018. doi: https://doi.org/10.1115/1.2952366

Abstract

View articletitled, Numerical Investigation of Tandem Airfoils for Subsonic Axial-Flow Compressor Blades

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

Synchronizing Separation Flow Control With Unsteady Wakes in a Low-Pressure Turbine Cascade

M. Bloxham, D. Reimann, K. Crapo, J. Pluim, J. P. Bons

J. Turbomach. April 2009, 131(2): 021019. doi: https://doi.org/10.1115/1.2952376

Abstract

View articletitled, Synchronizing Separation Flow Control With Unsteady Wakes in a Low-Pressure Turbine Cascade

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

Reduced Rough-Surface Parametrization for Use With the Discrete-Element Model

Stephen T. McClain, Jason M. Brown

J. Turbomach. April 2009, 131(2): 021020. doi: https://doi.org/10.1115/1.2952379

Abstract

View articletitled, Reduced Rough-Surface Parametrization for Use With the Discrete-Element Model

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Topics: Surface roughness , Discrete element methods , Heat transfer , Flow (Dynamics)

Effects of Large Scale High Freestream Turbulence and Exit Reynolds Number on Turbine Vane Heat Transfer in a Transonic Cascade

Shakeel Nasir, Jeffrey S. Carullo, Wing-Fai Ng, Karen A. Thole, Hong Wu, Luzeng J. Zhang, Hee Koo Moon

J. Turbomach. April 2009, 131(2): 021021. doi: https://doi.org/10.1115/1.2952381

Abstract

View articletitled, Effects of Large Scale High Freestream Turbulence and Exit Reynolds Number on Turbine Vane Heat Transfer in a Transonic Cascade

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Topics: Heat transfer , Pressure , Reynolds number , Turbulence , Suction , Flow (Dynamics) , Cascades (Fluid dynamics) , Mach number

Research Papers

Experimental Investigation of the Clocking Effect in a 1.5-Stage Axial Turbine—Part I: Time-Averaged Results

Sven König, Bernd Stoffel, M. Taher Schobeiri

J. Turbomach. April 2009, 131(2): 021003. doi: https://doi.org/10.1115/1.2948968

Abstract

View articletitled, Experimental Investigation of the Clocking Effect in a 1.5-Stage Axial Turbine—Part I: Time-Averaged Results

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Topics: Flow (Dynamics) , Fluctuations (Physics) , Pressure , Rotors , Stators , Turbines , Turbulence , Wakes , Suction , Probes

Experimental Investigation of the Clocking Effect in a 1.5-Stage Axial Turbine—Part II: Unsteady Results and Boundary Layer Behavior

Sven König, Bernd Stoffel, M. Taher Schobeiri

J. Turbomach. April 2009, 131(2): 021004. doi: https://doi.org/10.1115/1.2948969

Abstract

View articletitled, Experimental Investigation of the Clocking Effect in a 1.5-Stage Axial Turbine—Part II: Unsteady Results and Boundary Layer Behavior

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Topics: Boundary layers , Bubbles , Rotors , Separation (Technology) , Signals , Stators , Suction , Turbines , Wakes , Fluctuations (Physics)

Experiments on the Physical Mechanism of Heat Transfer Augmentation by Freestream Turbulence at a Cylinder Stagnation Point

A. C. Nix, T. E. Diller

J. Turbomach. April 2009, 131(2): 021015. doi: https://doi.org/10.1115/1.2950079

Abstract

View articletitled, Experiments on the Physical Mechanism of Heat Transfer Augmentation by Freestream Turbulence at a Cylinder Stagnation Point

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Topics: Cylinders , Heat flux , Heat transfer , Turbulence , Wire

Research Papers

Heat Transfer Measurements and Predictions for a Modern, High-Pressure, Transonic Turbine, Including Endwalls

Mass∕Heat Transfer in Rotating, Smooth, High-Aspect Ratio (4:1) Coolant Channels With Curved Walls

A Method for Estimating the Influence of Time-Dependent Vane and Blade Pressure Fields on Turbine Rim Seal Ingestion

On the Response of a Strongly Diffusing Flow to Propagating Wakes

Film Cooling From a Row of Holes Supplemented With Antivortex Holes

Effects of Combustor Exit Profiles on Vane Aerodynamic Loading and Heat Transfer in a High Pressure Turbine

An Experimental Study of Combustor Exit Profile Shapes on Endwall Heat Transfer in High Pressure Turbine Vanes

Migration of Combustor Exit Profiles Through High Pressure Turbine Vanes

Analysis of Turbulent Flow in 180 deg Turning Ducts With and Without Guide Vanes

Forced Convection Heat Transfer in Channels With Rib Turbulators Inclined at 45 deg

Unsteady Simulation of an Axial Compressor Stage With Casing and Blade Passive Treatments

On the Coupling of Inverse Design and Optimization Techniques for the Multiobjective, Multipoint Design of Turbomachinery Blades

A Conceptual Flutter Analysis of a Packet of Vanes Using a Mass-Spring Model

Effect of Upstream Wake With Vortex on Turbine Blade Platform Film Cooling With Simulated Stator-Rotor Purge Flow

Numerical Investigation of Tandem Airfoils for Subsonic Axial-Flow Compressor Blades

Synchronizing Separation Flow Control With Unsteady Wakes in a Low-Pressure Turbine Cascade

Reduced Rough-Surface Parametrization for Use With the Discrete-Element Model

Effects of Large Scale High Freestream Turbulence and Exit Reynolds Number on Turbine Vane Heat Transfer in a Transonic Cascade

Research Papers

Experimental Investigation of the Clocking Effect in a 1.5-Stage Axial Turbine—Part I: Time-Averaged Results

Experimental Investigation of the Clocking Effect in a 1.5-Stage Axial Turbine—Part II: Unsteady Results and Boundary Layer Behavior

Experiments on the Physical Mechanism of Heat Transfer Augmentation by Freestream Turbulence at a Cylinder Stagnation Point

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