Volume 124 Issue 4 | J. Turbomach. | ASME Digital Collection

Technical Papers

The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part I: University Research and Methods Development

Simon J. Gallimore, John J. Bolger, Nicholas A. Cumpsty, Mem. ASME, Mark J. Taylor, Peter I. Wright, James M. M. Place

J. Turbomach. October 2002, 124(4): 521–532. doi: https://doi.org/10.1115/1.1507333

View articletitled, The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part I: University Research and Methods Development

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Topics: Blades , Compressors , Computational fluid dynamics , Design , Flow (Dynamics) , Rotors , Pressure , Stators

The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part II: Low and High-Speed Designs and Test Verification

Simon J. Gallimore, John J. Bolger, Nicholas A. Cumpsty, Mem. Asme, Mark J. Taylor, Peter I. Wright, James M. M. Place

J. Turbomach. October 2002, 124(4): 533–541. doi: https://doi.org/10.1115/1.1507334

Abstract

View articletitled, The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part II: Low and High-Speed Designs and Test Verification

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Topics: Compressors , Design , Rotors , Stators , Blades , Computational fluid dynamics

Experimental Investigation of Unsteady Flow Field Within a Two-Stage Axial Turbomachine Using Particle Image Velocimetry

Oguz Uzol, Mem. ASME, Yi-Chih Chow, Mem. ASME, Joseph Katz, Mem. ASME, Charles Meneveau, Mem. ASME

J. Turbomach. October 2002, 124(4): 542–552. doi: https://doi.org/10.1115/1.1509077

Abstract

View articletitled, Experimental Investigation of Unsteady Flow Field Within a Two-Stage Axial Turbomachine Using Particle Image Velocimetry

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Topics: Blades , Flow (Dynamics) , Rotors , Stators , Stress , Turbomachinery , Turbulence , Wakes , Kinetic energy , Shear stress

Flow Nonuniformities and Turbulent “Hot Spots” Due to Wake-Blade and Wake-Wake Interactions in a Multi-Stage Turbomachine

Yi-Chih Chow, Mem. ASME, Oguz Uzol, Mem. ASME, Joseph Katz, Mem. ASME

J. Turbomach. October 2002, 124(4): 553–563. doi: https://doi.org/10.1115/1.1509078

Abstract

View articletitled, Flow Nonuniformities and Turbulent “Hot Spots” Due to Wake-Blade and Wake-Wake Interactions in a Multi-Stage Turbomachine

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Topics: Blades , Flow (Dynamics) , Rotors , Stators , Turbulence , Wakes

Analysis of Rotor-Rotor and Stator-Stator Interferences in Multi-Stage Turbomachines

L. He, T. Chen, R. G. Wells, Y. S. Li, W. Ning

J. Turbomach. October 2002, 124(4): 564–571. doi: https://doi.org/10.1115/1.1508382

Abstract

View articletitled, Analysis of Rotor-Rotor and Stator-Stator Interferences in Multi-Stage Turbomachines

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

Micro Air Injection and Its Unsteady Response in a Low-Speed Axial Compressor

Chaoqun Nie, Gang Xu, Xiaobin Cheng, Jingyi Chen

J. Turbomach. October 2002, 124(4): 572–579. doi: https://doi.org/10.1115/1.1508383

Abstract

View articletitled, Micro Air Injection and Its Unsteady Response in a Low-Speed Axial Compressor

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Topics: Compressors , Ejectors , Flow (Dynamics) , Blades

Turbofan Performance Deterioration Tracking Using Nonlinear Models and Optimization Techniques

K. Mathioudakis, Associate Professor, Ph. Kamboukos, Research Assistant, A. Stamatis, Research Associate

J. Turbomach. October 2002, 124(4): 580–587. doi: https://doi.org/10.1115/1.1512678

Abstract

View articletitled, Turbofan Performance Deterioration Tracking Using Nonlinear Models and Optimization Techniques

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Topics: Engines , Optimization , Algorithms , Turbofans

Effects of the Nature of Excitation on the Response of a Mistuned Bladed Disk Assembly

D. Cha, A. Sinha

J. Turbomach. October 2002, 124(4): 588–596. doi: https://doi.org/10.1115/1.1508385

Abstract

View articletitled, Effects of the Nature of Excitation on the Response of a Mistuned Bladed Disk Assembly

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Topics: Excitation , Random excitation , Disks , Manufacturing , Engines

A Fundamental Model of Mistuning for a Single Family of Modes

D. M. Feiner, J. H. Griffin

J. Turbomach. October 2002, 124(4): 597–605. doi: https://doi.org/10.1115/1.1508384

Abstract

View articletitled, A Fundamental Model of Mistuning for a Single Family of Modes

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Topics: Blades , Disks

Optimum Strain Gage Application to Bladed Assemblies

J. Szwedowicz, S. M. Senn, R. S. Abhari

J. Turbomach. October 2002, 124(4): 606–613. doi: https://doi.org/10.1115/1.1506957

Abstract

View articletitled, Optimum Strain Gage Application to Bladed Assemblies

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Topics: Gages , Optimization , Strain gages , Disks

Unsteady Rotor Heat Transfer in a Transonic Turbine Stage

F. Didier, R. De´nos, Mem. ASME, T. Arts

J. Turbomach. October 2002, 124(4): 614–622. doi: https://doi.org/10.1115/1.1505850

Abstract

View articletitled, Unsteady Rotor Heat Transfer in a Transonic Turbine Stage

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Topics: Blades , Fluctuations (Physics) , Heat transfer , Mach number , Pressure , Rotors , Shock (Mechanics) , Turbines , Flow (Dynamics) , Gages

Effect of Nonuniform Inlet Conditions on Endwall Secondary Flows

K. S. Hermanson, K. A. Thole, Mem. ASME,

J. Turbomach. October 2002, 124(4): 623–631. doi: https://doi.org/10.1115/1.1505849

Abstract

View articletitled, Effect of Nonuniform Inlet Conditions on Endwall Secondary Flows

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Topics: Flow (Dynamics) , Pressure , Computational fluid dynamics , Turbines , Stators , Combustion chambers , Temperature

St and $c_{f}$ Augmentation for Real Turbine Roughness With Elevated Freestream Turbulence

Jeffrey P. Bons

J. Turbomach. October 2002, 124(4): 632–644. doi: https://doi.org/10.1115/1.1505851

Abstract

View articletitled, St and <span class="inline-formula no-formula-id"><span class="mathFormula"></span><math xmlns="http://www.w3.org/1998/Math/MathML"><mrow xmlns=""><msub><mi>c</mi><mrow><mi>f</mi></mrow></msub></mrow></math></span> Augmentation for Real Turbine Roughness With Elevated Freestream Turbulence

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Topics: Surface roughness , Turbulence , Turbines

Separated Flow Transition Under Simulated Low-Pressure Turbine Airfoil Conditions—Part 1: Mean Flow and Turbulence Statistics

Ralph J. Volino, Mem. ASME,

J. Turbomach. October 2002, 124(4): 645–655. doi: https://doi.org/10.1115/1.1506938

Abstract

View articletitled, Separated Flow Transition Under Simulated Low-Pressure Turbine Airfoil Conditions—Part 1: Mean Flow and Turbulence Statistics

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Topics: Airfoils , Boundary layers , Flow (Dynamics) , Pressure , Separation (Technology) , Turbines , Turbulence , Bubbles , Reynolds number , Shear stress

Separated Flow Transition Under Simulated Low-Pressure Turbine Airfoil Conditions—Part 2: Turbulence Spectra

Ralph J. Volino, Mem. ASME,

J. Turbomach. October 2002, 124(4): 656–664. doi: https://doi.org/10.1115/1.1506939

Abstract

View articletitled, Separated Flow Transition Under Simulated Low-Pressure Turbine Airfoil Conditions—Part 2: Turbulence Spectra

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Topics: Boundary layers , Flow (Dynamics) , Spectra (Spectroscopy) , Turbulence , Airfoils , Pressure , Shear (Mechanics) , Separation (Technology) , Turbines , Shear stress

Predicting Transition Without Empiricism or DNS

Mark W. Johnson

J. Turbomach. October 2002, 124(4): 665–669. doi: https://doi.org/10.1115/1.1506940

Abstract

View articletitled, Predicting Transition Without Empiricism or DNS

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Topics: Boundary layers , Fluctuations (Physics) , Turbulence , Vortices

Evaluation of Pressure Side Film Cooling With Flow and Thermal Field Measurements—Part I: Showerhead Effects

J. Michael Cutbirth, David G. Bogard

J. Turbomach. October 2002, 124(4): 670–677. doi: https://doi.org/10.1115/1.1504441

Abstract

View articletitled, Evaluation of Pressure Side Film Cooling With Flow and Thermal Field Measurements—Part I: Showerhead Effects

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Topics: Coolants , Film cooling , Flow (Dynamics) , Jets , Pressure , Flow visualization , Turbulence

Evaluation of Pressure Side Film Cooling With Flow and Thermal Field Measurements—Part II: Turbulence Effects

J. Michael Cutbirth, David G. Bogard

J. Turbomach. October 2002, 124(4): 678–685. doi: https://doi.org/10.1115/1.1504442

Abstract

View articletitled, Evaluation of Pressure Side Film Cooling With Flow and Thermal Field Measurements—Part II: Turbulence Effects

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Topics: Film cooling , Pressure , Turbulence , Flow visualization , Coolants , Flow (Dynamics) , Jets

Correlation of Film-Cooling Effectiveness From Thermographic Measurements at Enginelike Conditions

S. Baldauf, M. Scheurlen, A. Schulz, S. Wittig

J. Turbomach. October 2002, 124(4): 686–698. doi: https://doi.org/10.1115/1.1504443

Abstract

View articletitled, Correlation of Film-Cooling Effectiveness From Thermographic Measurements at Enginelike Conditions

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Topics: Coolants , Cooling , Density , Film cooling , Flow (Dynamics) , Geometry , Jets , Turbulence , Temperature

Heat Flux Reduction From Film Cooling and Correlation of Heat Transfer Coefficients From Thermographic Measurements at Enginelike Conditions

S. Baldauf, M. Scheurlen, A. Schulz, S. Wittig

J. Turbomach. October 2002, 124(4): 699–709. doi: https://doi.org/10.1115/1.1505848

Abstract

View articletitled, Heat Flux Reduction From Film Cooling and Correlation of Heat Transfer Coefficients From Thermographic Measurements at Enginelike Conditions

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Topics: Density , Heat flux , Heat transfer , Heat transfer coefficients , Flow (Dynamics) , Film cooling , Cooling , Coolants

Combined 3-D Flow and Heat Transfer Measurements in a 2-Pass Internal Coolant Passage of Gas Turbine Airfoils

D. Chanteloup, Y. Juaneda, A. Bo¨lcs

J. Turbomach. October 2002, 124(4): 710–718. doi: https://doi.org/10.1115/1.1506176

Abstract

View articletitled, Combined 3-D Flow and Heat Transfer Measurements in a 2-Pass Internal Coolant Passage of Gas Turbine Airfoils

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Topics: Flow (Dynamics) , Heat transfer , Coolants , Exterior walls

Technical Papers

The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part I: University Research and Methods Development

The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part II: Low and High-Speed Designs and Test Verification

Experimental Investigation of Unsteady Flow Field Within a Two-Stage Axial Turbomachine Using Particle Image Velocimetry

Flow Nonuniformities and Turbulent “Hot Spots” Due to Wake-Blade and Wake-Wake Interactions in a Multi-Stage Turbomachine

Analysis of Rotor-Rotor and Stator-Stator Interferences in Multi-Stage Turbomachines

Micro Air Injection and Its Unsteady Response in a Low-Speed Axial Compressor

Turbofan Performance Deterioration Tracking Using Nonlinear Models and Optimization Techniques

Effects of the Nature of Excitation on the Response of a Mistuned Bladed Disk Assembly

A Fundamental Model of Mistuning for a Single Family of Modes

Optimum Strain Gage Application to Bladed Assemblies

Unsteady Rotor Heat Transfer in a Transonic Turbine Stage

Effect of Nonuniform Inlet Conditions on Endwall Secondary Flows

St and $c_{f}$ Augmentation for Real Turbine Roughness With Elevated Freestream Turbulence

Separated Flow Transition Under Simulated Low-Pressure Turbine Airfoil Conditions—Part 1: Mean Flow and Turbulence Statistics

Separated Flow Transition Under Simulated Low-Pressure Turbine Airfoil Conditions—Part 2: Turbulence Spectra

Predicting Transition Without Empiricism or DNS

Evaluation of Pressure Side Film Cooling With Flow and Thermal Field Measurements—Part I: Showerhead Effects

Evaluation of Pressure Side Film Cooling With Flow and Thermal Field Measurements—Part II: Turbulence Effects

Correlation of Film-Cooling Effectiveness From Thermographic Measurements at Enginelike Conditions

Heat Flux Reduction From Film Cooling and Correlation of Heat Transfer Coefficients From Thermographic Measurements at Enginelike Conditions

Combined 3-D Flow and Heat Transfer Measurements in a 2-Pass Internal Coolant Passage of Gas Turbine Airfoils

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