Volume 134 Issue 1 | J. Turbomach. | ASME Digital Collection

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Volume 134, Issue 1

January 2012

ISSN 0889-504X

EISSN 1528-8900

Research Papers

A Time-Domain Harmonic Balance Method for Rotor/Stator Interactions

Frédéric Sicot, Guillaume Dufour, Nicolas Gourdain

J. Turbomach. January 2012, 134(1): 011001. doi: https://doi.org/10.1115/1.4003210

Abstract

View articletitled, A Time-Domain Harmonic Balance Method for Rotor/Stator Interactions

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Topics: Blades , Computation , Flow (Dynamics) , Reynolds-averaged Navier–Stokes equations , Rotors , Simulation , Stators , Turbomachinery , Interpolation , Compressors

Rotor Interaction Noise in Counter-Rotating Propfan Propulsion Systems

Andreas Peters, Zoltán S. Spakovszky

J. Turbomach. January 2012, 134(1): 011002. doi: https://doi.org/10.1115/1.4003223

Abstract

View articletitled, Rotor Interaction Noise in Counter-Rotating Propfan Propulsion Systems

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Topics: Carbon reinforced plastics , Design , Noise (Sound) , Rotors , Aircraft , Acoustics , Blades

Simulations of Multiphase Particle Deposition on Endwall Film-Cooling

Seth A. Lawson, Karen A. Thole

J. Turbomach. January 2012, 134(1): 011003. doi: https://doi.org/10.1115/1.4002962

Abstract

View articletitled, Simulations of Multiphase Particle Deposition on Endwall Film-Cooling

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Topics: Cooling , Film cooling , Momentum , Particulate matter , Simulation , Temperature , Turbines , Flow (Dynamics) , Coolants , Gas turbines

Effect of Flow Parameter Variations on Full Coverage Film-Cooling Effectiveness for a Gas Turbine Blade

Shantanu Mhetras, Je-Chin Han, Ron Rudolph

J. Turbomach. January 2012, 134(1): 011004. doi: https://doi.org/10.1115/1.4003228

Abstract

View articletitled, Effect of Flow Parameter Variations on Full Coverage Film-Cooling Effectiveness for a Gas Turbine Blade

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Topics: Blades , Coolants , Film cooling , Flow (Dynamics) , Pressure , Suction , Gas turbines , Mach number

Effect of Temperature Nonuniformity on Heat Transfer in an Unshrouded Transonic HP Turbine: An Experimental and Computational Investigation

Imran Qureshi, Andy D. Smith, Kam S. Chana, Thomas Povey

J. Turbomach. January 2012, 134(1): 011005. doi: https://doi.org/10.1115/1.4002987

Abstract

View articletitled, Effect of Temperature Nonuniformity on Heat Transfer in an Unshrouded Transonic HP Turbine: An Experimental and Computational Investigation

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Topics: Heat transfer , Rotors , Temperature , Turbines

Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine—Part I: Vane Inlet Temperature Profile Generation and Migration

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

J. Turbomach. January 2012, 134(1): 011006. doi: https://doi.org/10.1115/1.4002994

Abstract

View articletitled, Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine—Part I: Vane Inlet Temperature Profile Generation and Migration

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Topics: Blades , Cooling , Flow (Dynamics) , Heat flux , Heat transfer , Pressure , Temperature , Temperature profiles , Thermocouples , Turbines

Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine–Part II: Influence of Inlet Temperature Profile on Blade Row and Shroud

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

J. Turbomach. January 2012, 134(1): 011007. doi: https://doi.org/10.1115/1.4002995

Abstract

View articletitled, Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine–Part II: Influence of Inlet Temperature Profile on Blade Row and Shroud

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

Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine—Part III: Impact of Hot-Streak Characteristics on Blade Row Heat Flux

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

J. Turbomach. January 2012, 134(1): 011008. doi: https://doi.org/10.1115/1.4002996

Abstract

View articletitled, Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine—Part III: Impact of Hot-Streak Characteristics on Blade Row Heat Flux

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

Axial Transonic Rotor and Stage Behavior Near the Stability Limit

Anthony J. Gannon, Garth V. Hobson, William L. Davis

J. Turbomach. January 2012, 134(1): 011009. doi: https://doi.org/10.1115/1.4003225

Abstract

View articletitled, Axial Transonic Rotor and Stage Behavior Near the Stability Limit

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Topics: Rotors , Flow (Dynamics) , Signals , Pressure , Stability

Influence of Radial Rotation on Heat Transfer in a Rectangular Channel With Two Opposite Walls Roughened by Hemispherical Protrusions at High Rotation Numbers

Shyy Woei Chang, Tong-Miin. Liou, Wei-Chun Chen

J. Turbomach. January 2012, 134(1): 011010. doi: https://doi.org/10.1115/1.4003231

Abstract

View articletitled, Influence of Radial Rotation on Heat Transfer in a Rectangular Channel With Two Opposite Walls Roughened by Hemispherical Protrusions at High Rotation Numbers

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Topics: Heat transfer , Rotation , Flow (Dynamics) , Buoyancy , High temperature steam , Rotors

Effect of Unsteady Wakes on Boundary Layer Separation on a Very High Lift Low Pressure Turbine Airfoil

Ralph J. Volino

J. Turbomach. January 2012, 134(1): 011011. doi: https://doi.org/10.1115/1.4003232

Abstract

View articletitled, Effect of Unsteady Wakes on Boundary Layer Separation on a Very High Lift Low Pressure Turbine Airfoil

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Topics: Airfoils , Boundary layers , Cascades (Fluid dynamics) , Pressure , Separation (Technology) , Turbulence , Wakes , Flow (Dynamics) , Turbines , Blades

Analysis on the Effect of a Nonuniform Inlet Profile on Heat Transfer and Fluid Flow in Turbine Stages

Salvadori Simone, Francesco Montomoli, Francesco Martelli, Kam S. Chana, Imran Qureshi, Tom Povey

J. Turbomach. January 2012, 134(1): 011012. doi: https://doi.org/10.1115/1.4003233

Abstract

View articletitled, Analysis on the Effect of a Nonuniform Inlet Profile on Heat Transfer and Fluid Flow in Turbine Stages

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Topics: Blades , Flow (Dynamics) , Heat transfer , Pressure , Rotors , Stators , Temperature , Turbines , Computational fluid dynamics , Temperature profiles

Aerodynamic Analysis of an Innovative Low Pressure Vane Placed in an s-Shape Duct

Sergio Lavagnoli, Tolga Yasa, Guillermo Paniagua, Lionel Castillon, Simone Duni

J. Turbomach. January 2012, 134(1): 011013. doi: https://doi.org/10.1115/1.4003241

Abstract

View articletitled, Aerodynamic Analysis of an Innovative Low Pressure Vane Placed in an s-Shape Duct

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Topics: Flow (Dynamics) , Pressure , Rotors , Struts (Engineering) , Turbines , Blades , Stators , Airfoils

Coupled Aerothermomechanical Simulation for a Turbine Disk Through a Full Transient Cycle

Zixiang Sun, John W. Chew, Nicholas J. Hills, Leo Lewis, Christophe Mabilat

J. Turbomach. January 2012, 134(1): 011014. doi: https://doi.org/10.1115/1.4003242

Abstract

View articletitled, Coupled Aerothermomechanical Simulation for a Turbine Disk Through a Full Transient Cycle

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Topics: Computational fluid dynamics , Cycles , Disks , Finite element analysis , Simulation , Temperature , Transients (Dynamics) , Modeling , Turbines , Flow (Dynamics)

Influence of Chord Length and Inlet Boundary Layer on the Secondary Losses of Turbine Blades

Helmut Sauer, Robin Schmidt, Konrad Vogeler

J. Turbomach. January 2012, 134(1): 011015. doi: https://doi.org/10.1115/1.4003244

Abstract

View articletitled, Influence of Chord Length and Inlet Boundary Layer on the Secondary Losses of Turbine Blades

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Topics: Boundary layers , Cascades (Fluid dynamics) , Chords (Trusses) , Flow (Dynamics) , Displacement , Blades

Temperature Predictions and Comparison With Measurements for the Blade Leading Edge and Platform of a 1 1/2 Stage Transonic HP Turbine

Randall M. Mathison, Mark B. Wishart, Charles W. Haldeman, Michael G. Dunn

J. Turbomach. January 2012, 134(1): 011016. doi: https://doi.org/10.1115/1.4002992

Abstract

View articletitled, Temperature Predictions and Comparison With Measurements for the Blade Leading Edge and Platform of a 1 1/2 Stage Transonic HP Turbine

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Topics: Blades , Boundary-value problems , Temperature , Turbines , Flow (Dynamics) , Turbochargers , Temperature profiles , Pressure

Toward a High Order Throughflow––Investigation of the Nonlinear Harmonic Method Coupled With an Immersed Boundary Method for the Modeling of the Circumferential Stresses

J. P. Thomas, O. Léonard

J. Turbomach. January 2012, 134(1): 011017. doi: https://doi.org/10.1115/1.4003256

Abstract

View articletitled, Toward a High Order Throughflow––Investigation of the Nonlinear Harmonic Method Coupled With an Immersed Boundary Method for the Modeling of the Circumferential Stresses

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Topics: Blades , Cylinders , Flow (Dynamics) , Fourier series , Hoop stress , Modeling , Turbomachinery , Computation

Airfoil Deflection Characteristics During Rub Events

Kevin E. Turner, Michael Dunn, Corso Padova

J. Turbomach. January 2012, 134(1): 011018. doi: https://doi.org/10.1115/1.4003257

Abstract

View articletitled, Airfoil Deflection Characteristics During Rub Events

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Topics: Airfoils , Blades , Deflection , Magnification , Stiffness , Stress , Turbomachinery , Transients (Dynamics) , Flat plates

Geometrical Uncertainty and Film Cooling: Fillet Radii

Francesco Montomoli, Michela Massini, Simone Salvadori, Francesco Martelli

J. Turbomach. January 2012, 134(1): 011019. doi: https://doi.org/10.1115/1.4003287

Abstract

View articletitled, Geometrical Uncertainty and Film Cooling: Fillet Radii

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Topics: Computational fluid dynamics , Coolants , Discharge coefficient , Ducts , Film cooling , Flow (Dynamics) , Mach number , Manufacturing , Pressure , Simulation

Experimental and Numerical Investigation on the Film Cooling of Waist-Shaped Slot Holes Comparing With Converging Slot Holes

Cun-liang Liu, Hui-ren Zhu, Jiang-tao Bai, Du-chun Xu

J. Turbomach. January 2012, 134(1): 011021. doi: https://doi.org/10.1115/1.4003074

Abstract

View articletitled, Experimental and Numerical Investigation on the Film Cooling of Waist-Shaped Slot Holes Comparing With Converging Slot Holes

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Topics: Film cooling , Computer simulation , Heat transfer coefficients , Turbulence , Flow (Dynamics) , Cooling , Discharge coefficient , Jets , Momentum

Influence of Channel Orientation on Heat Transfer in a Two-Pass Smooth and Ribbed Rectangular Channel $(AR = 2 : 1)$ Under Large Rotation Numbers

Michael Huh, Jiang Lei, Je-Chin Han

J. Turbomach. January 2012, 134(1): 011022. doi: https://doi.org/10.1115/1.4003172

Abstract

View articletitled, Influence of Channel Orientation on Heat Transfer in a Two-Pass Smooth and Ribbed Rectangular Channel <span class="inline-formula no-formula-id"><span class="mathFormula"></span><math xmlns="http://www.w3.org/1998/Math/MathML"><mrow xmlns=""><mrow><mo>(</mo><mrow><mtext>AR</mtext><mo>=</mo><mn>2</mn><mo>:</mo><mn>1</mn></mrow><mo>)</mo></mrow></mrow></math></span> Under Large Rotation Numbers

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Topics: Flow (Dynamics) , Heat transfer , Rotation

The Application of Low-Profile Vortex Generators in an Intermediate Turbine Diffuser

C. Santner, E. Göttlich, A. Marn, J. Hubinka, B. Paradiso

J. Turbomach. January 2012, 134(1): 011023. doi: https://doi.org/10.1115/1.4003718

Abstract

View articletitled, The Application of Low-Profile Vortex Generators in an Intermediate Turbine Diffuser

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Topics: Ducts , Flow (Dynamics) , Turbines , Vortices , Pressure , Separation (Technology) , Flow visualization , Generators , Diffusers

Research Papers

Aerothermodynamics of a High-Pressure Turbine Blade With Very High Loading and Vortex Generators

Reinaldo A. Gomes, Reinhard Niehuis

J. Turbomach. January 2012, 134(1): 011020. doi: https://doi.org/10.1115/1.4003052

Abstract

View articletitled, Aerothermodynamics of a High-Pressure Turbine Blade With Very High Loading and Vortex Generators

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Topics: Blades , Cascades (Fluid dynamics) , Film cooling , Flow (Dynamics) , Flow separation , Generators , Heat transfer , Mach number , Pressure , Shock (Mechanics)

Research Papers

A Time-Domain Harmonic Balance Method for Rotor/Stator Interactions

Rotor Interaction Noise in Counter-Rotating Propfan Propulsion Systems

Simulations of Multiphase Particle Deposition on Endwall Film-Cooling

Effect of Flow Parameter Variations on Full Coverage Film-Cooling Effectiveness for a Gas Turbine Blade

Effect of Temperature Nonuniformity on Heat Transfer in an Unshrouded Transonic HP Turbine: An Experimental and Computational Investigation

Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine—Part I: Vane Inlet Temperature Profile Generation and Migration

Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine–Part II: Influence of Inlet Temperature Profile on Blade Row and Shroud

Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine—Part III: Impact of Hot-Streak Characteristics on Blade Row Heat Flux

Axial Transonic Rotor and Stage Behavior Near the Stability Limit

Influence of Radial Rotation on Heat Transfer in a Rectangular Channel With Two Opposite Walls Roughened by Hemispherical Protrusions at High Rotation Numbers

Effect of Unsteady Wakes on Boundary Layer Separation on a Very High Lift Low Pressure Turbine Airfoil

Analysis on the Effect of a Nonuniform Inlet Profile on Heat Transfer and Fluid Flow in Turbine Stages

Aerodynamic Analysis of an Innovative Low Pressure Vane Placed in an s-Shape Duct

Coupled Aerothermomechanical Simulation for a Turbine Disk Through a Full Transient Cycle

Influence of Chord Length and Inlet Boundary Layer on the Secondary Losses of Turbine Blades

Temperature Predictions and Comparison With Measurements for the Blade Leading Edge and Platform of a 1 1/2 Stage Transonic HP Turbine

Toward a High Order Throughflow––Investigation of the Nonlinear Harmonic Method Coupled With an Immersed Boundary Method for the Modeling of the Circumferential Stresses

Airfoil Deflection Characteristics During Rub Events

Geometrical Uncertainty and Film Cooling: Fillet Radii

Experimental and Numerical Investigation on the Film Cooling of Waist-Shaped Slot Holes Comparing With Converging Slot Holes

Influence of Channel Orientation on Heat Transfer in a Two-Pass Smooth and Ribbed Rectangular Channel $(AR = 2 : 1)$ Under Large Rotation Numbers

The Application of Low-Profile Vortex Generators in an Intermediate Turbine Diffuser

Research Papers

Aerothermodynamics of a High-Pressure Turbine Blade With Very High Loading and Vortex Generators

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