Volume 123 Issue 2 | J. Turbomach. | ASME Digital Collection

Technical Papers

High Lift and Aft-Loaded Profiles for Low-Pressure Turbines

R. J. Howell, O. N. Ramesh, H. P. Hodson, N. W. Harvey, V. Schulte

J. Turbomach. April 2001, 123(2): 181–188. doi: https://doi.org/10.1115/1.1350409

View articletitled, High Lift and Aft-Loaded Profiles for Low-Pressure Turbines

Topics: Blades , Boundary layers , Cascades (Fluid dynamics) , Flow (Dynamics) , Pressure , Reynolds number , Separation (Technology) , Suction , Turbines , Wakes

Measurements in Separated and Transitional Boundary Layers Under Low-Pressure Turbine Airfoil Conditions

Ralph J. Volino, Lennart S. Hultgren

J. Turbomach. April 2001, 123(2): 189–197. doi: https://doi.org/10.1115/1.1350408

Abstract

View articletitled, Measurements in Separated and Transitional Boundary Layers Under Low-Pressure Turbine Airfoil Conditions

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

Turbine Separation Control Using Pulsed Vortex Generator Jets

Jeffrey P. Bons, Rolf Sondergaard, Richard B. Rivir

J. Turbomach. April 2001, 123(2): 198–206. doi: https://doi.org/10.1115/1.1350410

Abstract

View articletitled, Turbine Separation Control Using Pulsed Vortex Generator Jets

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Topics: Blades , Boundary layers , Chords (Trusses) , Cycles , Flow (Dynamics) , Jets , Separation (Technology) , Turbines , Vortices , Wakes

Reduction of Secondary Flow Losses in Turbine Cascades by Leading Edge Modifications at the Endwall

H. Sauer, R. Mu¨ller, K. Vogeler

J. Turbomach. April 2001, 123(2): 207–213. doi: https://doi.org/10.1115/1.1354142

Abstract

View articletitled, Reduction of Secondary Flow Losses in Turbine Cascades by Leading Edge Modifications at the Endwall

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Topics: Boundary layers , Cascades (Fluid dynamics) , Flow (Dynamics) , Numerical analysis , Pressure , Turbines , Vortices , Suction , Wind tunnels , Blades

An Experimental Study of the Effect of Wake Passing on Turbine Blade Film Cooling

James D. Heidmann, Barbara L. Lucci, Eli Reshotko

J. Turbomach. April 2001, 123(2): 214–221. doi: https://doi.org/10.1115/1.1354621

Abstract

View articletitled, An Experimental Study of the Effect of Wake Passing on Turbine Blade Film Cooling

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Topics: Blades , Film cooling , Pressure , Suction , Turbine blades , Wakes , Flow (Dynamics) , Cooling , Turbines

Film Cooling Downstream of a Row of Discrete Holes With Compound Angle

R. J. Goldstein, P. Jin

J. Turbomach. April 2001, 123(2): 222–230. doi: https://doi.org/10.1115/1.1344905

Abstract

View articletitled, Film Cooling Downstream of a Row of Discrete Holes With Compound Angle

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Topics: Film cooling , Jets , Mass transfer , Flow (Dynamics) , Heat transfer coefficients , Heat transfer , Density , Vortex motion

Scaling of Performance for Varying Density Ratio Coolants on an Airfoil With Strong Curvature and Pressure Gradient Effects

Marcia I. Ethridge, J. Michael Cutbirth, David G. Bogard

J. Turbomach. April 2001, 123(2): 231–237. doi: https://doi.org/10.1115/1.1343457

Abstract

View articletitled, Scaling of Performance for Varying Density Ratio Coolants on an Airfoil With Strong Curvature and Pressure Gradient Effects

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Topics: Airfoils , Coolants , Density , Film cooling , Momentum , Pressure gradient , Suction , Turbines , Turbulence , Flat plates

Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 1—Effect of Cut-Back Length, Spanwise Rib Spacing, Free-Stream Reynolds Number, and Chordwise Rib Length on Discharge Coefficients

Oguz Uzol, Cengiz Camci, Boris Glezer

J. Turbomach. April 2001, 123(2): 238–248. doi: https://doi.org/10.1115/1.1348017

Abstract

View articletitled, Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 1—Effect of Cut-Back Length, Spanwise Rib Spacing, Free-Stream Reynolds Number, and Chordwise Rib Length on Discharge Coefficients

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Topics: Coolants , Discharge coefficient , Flow (Dynamics) , Pressure , Reynolds number

Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 2—External Aerodynamics, Total Pressure Losses, and Predictions

Oguz Uzol, Cengiz Camci

J. Turbomach. April 2001, 123(2): 249–257. doi: https://doi.org/10.1115/1.1351817

Abstract

View articletitled, Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 2—External Aerodynamics, Total Pressure Losses, and Predictions

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Topics: Blades , Coolants , Flow (Dynamics) , Pressure , Turbine blades , Turbulence , Wakes , Aerodynamics , Simulation , Momentum

A Method for Correlating the Influence of External Crossflow on the Discharge Coefficients of Film Cooling Holes

D. A. Rowbury, M. L. G. Oldfield, G. D. Lock

J. Turbomach. April 2001, 123(2): 258–265. doi: https://doi.org/10.1115/1.1354137

Abstract

View articletitled, A Method for Correlating the Influence of External Crossflow on the Discharge Coefficients of Film Cooling Holes

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Topics: Coolants , Discharge coefficient , Engines , Film cooling , Flow (Dynamics) , Mach number , Pressure , Design , Geometry , Cooling

Flow Characteristics Inside Circular Injection Holes Normally Oriented to a Crossflow: Part I — Flow Visualizations and Flow Data in the Symmetry Plane

Sang Woo Lee, Sang Won Park, Joon Sik Lee

J. Turbomach. April 2001, 123(2): 266–273. doi: https://doi.org/10.1115/1.1344876

Abstract

View articletitled, Flow Characteristics Inside Circular Injection Holes Normally Oriented to a Crossflow: Part I — Flow Visualizations and Flow Data in the Symmetry Plane

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Topics: Flow (Dynamics) , Flow visualization , Bubbles , Boundary layers , Separation (Technology) , Flow measurement

Flow Characteristics Inside Circular Injection Holes Normally Oriented to a Crossflow: Part II—Three-Dimensional Flow Data and Aerodynamic Loss

Sang Woo Lee, Seong Kuk Joo, Joon Sik Lee

J. Turbomach. April 2001, 123(2): 274–280. doi: https://doi.org/10.1115/1.1348016

Abstract

View articletitled, Flow Characteristics Inside Circular Injection Holes Normally Oriented to a Crossflow: Part II—Three-Dimensional Flow Data and Aerodynamic Loss

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Topics: Flow (Dynamics) , Bubbles , Separation (Technology)

Influence of Crossflow-Induced Swirl and Impingement on Heat Transfer in a Two-Pass Channel Connected by Two Rows of Holes

Gautam Pamula, Srinath V. Ekkad, Sumanta Acharya

J. Turbomach. April 2001, 123(2): 281–287. doi: https://doi.org/10.1115/1.1343467

Abstract

View articletitled, Influence of Crossflow-Induced Swirl and Impingement on Heat Transfer in a Two-Pass Channel Connected by Two Rows of Holes

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Topics: Flow (Dynamics) , Heat transfer , Reynolds number , Cooling , Liquid crystals

Heat Transfer in Rotating Narrow Rectangular Ducts With Heated Sides Oriented at 60° to the $r - z$ Plane

Fred T. Willett, Arthur E. Bergles

J. Turbomach. April 2001, 123(2): 288–295. doi: https://doi.org/10.1115/1.1354189

Abstract

View articletitled, Heat Transfer in Rotating Narrow Rectangular Ducts With Heated Sides Oriented at 60° to the <span class="inline-formula no-formula-id"><span class="mathFormula"></span><math xmlns="http://www.w3.org/1998/Math/MathML"><mrow xmlns=""><mi>r</mi><mo>-</mo><mi>z</mi></mrow></math></span> Plane

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Topics: Ducts , Heat transfer , Rotation , Buoyancy

Tip Clearance Effects in a Turbine Rotor: Part I—Pressure Field and Loss

Xinwen Xiao, Graduate Assistant, Andrew A. McCarter, Graduate Assistant, Budugur Lakshminarayana, Evan Pugh Professor and Director

J. Turbomach. April 2001, 123(2): 296–304. doi: https://doi.org/10.1115/1.1368365

Abstract

View articletitled, Tip Clearance Effects in a Turbine Rotor: Part I—Pressure Field and Loss

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Topics: Blades , Clearances (Engineering) , Flow (Dynamics) , Pressure , Rotors , Vortices , Suction , Turbines , Leakage

Tip Clearance Effects in a Turbine Rotor: Part II—Velocity Field and Flow Physics

Andrew A. McCarter, Graduate Assistant, Xinwen Xiao, Graduate Assistant, Budugur Lakshminarayana, Evan Pugh Professor and Director

J. Turbomach. April 2001, 123(2): 305–313. doi: https://doi.org/10.1115/1.1368880

Abstract

View articletitled, Tip Clearance Effects in a Turbine Rotor: Part II—Velocity Field and Flow Physics

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Topics: Blades , Chords (Trusses) , Flow (Dynamics) , Leakage , Leakage flows , Rotors , Vortices , Clearances (Engineering) , Turbulence , Suction

Numerical Simulation of Tip Leakage Flows in Axial Flow Turbines, With Emphasis on Flow Physics: Part I—Effect of Tip Clearance Height

J. Tallman, Graduate Research Assistant, B. Lakshminarayana, Evan Pugh Professor and Director

J. Turbomach. April 2001, 123(2): 314–323. doi: https://doi.org/10.1115/1.1368881

Abstract

View articletitled, Numerical Simulation of Tip Leakage Flows in Axial Flow Turbines, With Emphasis on Flow Physics: Part I—Effect of Tip Clearance Height

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Topics: Blades , Clearances (Engineering) , Flow (Dynamics) , Leakage , Leakage flows , Vortices , Pressure , Fluids , Turbines

Numerical Simulation of Tip Leakage Flows in Axial Flow Turbines, With Emphasis on Flow Physics: Part II—Effect of Outer Casing Relative Motion

J. Tallman, Graduate Research Assistant, B. Lakshminarayana, Evan Pugh Professor and Director

J. Turbomach. April 2001, 123(2): 324–333. doi: https://doi.org/10.1115/1.1369113

Abstract

View articletitled, Numerical Simulation of Tip Leakage Flows in Axial Flow Turbines, With Emphasis on Flow Physics: Part II—Effect of Outer Casing Relative Motion

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Topics: Blades , Flow (Dynamics) , Leakage , Leakage flows , Pressure , Vortices , Turbines , Fluids

The Control of Shroud Leakage Flows to Reduce Aerodynamic Losses in a Low Aspect Ratio, Shrouded Axial Flow Turbine

A. M. Wallis, J. D. Denton, A. A. J. Demargne

J. Turbomach. April 2001, 123(2): 334–341. doi: https://doi.org/10.1115/1.1354143

Abstract

View articletitled, The Control of Shroud Leakage Flows to Reduce Aerodynamic Losses in a Low Aspect Ratio, Shrouded Axial Flow Turbine

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Topics: Blades , Cavities , Flow (Dynamics) , Fluids , Leakage , Leakage flows , Rotors , Turbines , Turning , Sealing (Process)

Flow Interaction From the Exit Cavity of an Axial Turbine Blade Row Labyrinth Seal

A. Pfau, M. Treiber, M. Sell, G. Gyarmathy

J. Turbomach. April 2001, 123(2): 342–352. doi: https://doi.org/10.1115/1.1368124

Abstract

View articletitled, Flow Interaction From the Exit Cavity of an Axial Turbine Blade Row Labyrinth Seal

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Topics: Cavities , Flow (Dynamics) , Pressure , Blades , Fluids

Experimental and Theoretical Comparison of Two Swirl Brake Designs

K. K. Nielsen, D. W. Childs, C. M. Myllerup

J. Turbomach. April 2001, 123(2): 353–358. doi: https://doi.org/10.1115/1.1354140

Abstract

View articletitled, Experimental and Theoretical Comparison of Two Swirl Brake Designs

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Topics: Brakes , Flow (Dynamics) , Rotors , Design

Mixed Flow Turbines: Inlet and Exit Flow Under Steady and Pulsating Conditions

N. Karamanis, R. F. Martinez-Botas, C. C. Su

J. Turbomach. April 2001, 123(2): 359–371. doi: https://doi.org/10.1115/1.1354141

Abstract

View articletitled, Mixed Flow Turbines: Inlet and Exit Flow Under Steady and Pulsating Conditions

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Topics: Flow (Dynamics) , Rotors , Turbines , Blades , Design

Some Aspects of Modeling Compressor Behavior in Gas Turbine Performance Calculations

Claus Riegler, Michael Bauer, Joachim Kurzke

J. Turbomach. April 2001, 123(2): 372–378. doi: https://doi.org/10.1115/1.1368123

Abstract

View articletitled, Some Aspects of Modeling Compressor Behavior in Gas Turbine Performance Calculations

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Topics: Compressors , Pressure , Flow (Dynamics) , Geometry , Gas turbines , Algorithms

Steady Performance Measurements of a Turbofan Engine With Inlet Distortions Containing Co- and Counterrotating Swirl From an Intake Diffuser for Hypersonic Flight

Norbert R. Schmid, Dirk C. Leinhos, Leonhard Fottner

J. Turbomach. April 2001, 123(2): 379–385. doi: https://doi.org/10.1115/1.1343466

Abstract

View articletitled, Steady Performance Measurements of a Turbofan Engine With Inlet Distortions Containing Co- and Counterrotating Swirl From an Intake Diffuser for Hypersonic Flight

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Topics: Engines , Flow (Dynamics) , Pressure , Turbofans , Compressors , Thrust , Flight , Ducts

Implementation of a Compressor Face Boundary Condition Based on Small Disturbances

John W. Slater, Gerald C. Paynter

J. Turbomach. April 2001, 123(2): 386–391. doi: https://doi.org/10.1115/1.1344884

Abstract

View articletitled, Implementation of a Compressor Face Boundary Condition Based on Small Disturbances

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Topics: Acoustics , Boundary-value problems , Compressors , Pressure , Blades , Flow (Dynamics)

Natural Transition Phenomena on an Axial Compressor Blade

J. D. Hughes, G. J. Walker

J. Turbomach. April 2001, 123(2): 392–401. doi: https://doi.org/10.1115/1.1351816

Abstract

View articletitled, Natural Transition Phenomena on an Axial Compressor Blade

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Topics: Blades , Compressors , Flow (Dynamics) , Stators , Turbulence , Waves , Wakes

Numerical Investigation of Nonlinear Fluid-Structure Interaction in Vibrating Compressor Blades

Volker Carstens, Joachim Belz

J. Turbomach. April 2001, 123(2): 402–408. doi: https://doi.org/10.1115/1.1354138

Abstract

View articletitled, Numerical Investigation of Nonlinear Fluid-Structure Interaction in Vibrating Compressor Blades

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Topics: Blades , Compressors , Flutter (Aerodynamics) , Vibration , Cascades (Fluid dynamics) , Computation , Transonic flow , Flow (Dynamics) , Subsonic flow , Aerodynamics

The Impact of Viscous Effects on the Aerodynamic Damping of Vibrating Transonic Compressor Blades—A Numerical Study

Bjo¨rn Gru¨ber, Volker Carstens

J. Turbomach. April 2001, 123(2): 409–417. doi: https://doi.org/10.1115/1.1354139

Abstract

View articletitled, The Impact of Viscous Effects on the Aerodynamic Damping of Vibrating Transonic Compressor Blades—A Numerical Study

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Topics: Blades , Compressors , Damping , Flow (Dynamics) , Oscillations , Shock (Mechanics) , Vibration , Pressure , Viscosity , Turbulence

An Investigation of Surge in a High-Speed Centrifugal Compressor Using Digital PIV

Mark P. Wernet, Michelle M. Bright, Gary J. Skoch

J. Turbomach. April 2001, 123(2): 418–428. doi: https://doi.org/10.1115/1.1343465

Abstract

View articletitled, An Investigation of Surge in a High-Speed Centrifugal Compressor Using Digital PIV

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Topics: Compressors , Diffusers , Flow (Dynamics) , Impellers , Pressure , Surges

Technical Papers

High Lift and Aft-Loaded Profiles for Low-Pressure Turbines

Measurements in Separated and Transitional Boundary Layers Under Low-Pressure Turbine Airfoil Conditions

Turbine Separation Control Using Pulsed Vortex Generator Jets

Reduction of Secondary Flow Losses in Turbine Cascades by Leading Edge Modifications at the Endwall

An Experimental Study of the Effect of Wake Passing on Turbine Blade Film Cooling

Film Cooling Downstream of a Row of Discrete Holes With Compound Angle

Scaling of Performance for Varying Density Ratio Coolants on an Airfoil With Strong Curvature and Pressure Gradient Effects

Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 1—Effect of Cut-Back Length, Spanwise Rib Spacing, Free-Stream Reynolds Number, and Chordwise Rib Length on Discharge Coefficients

Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 2—External Aerodynamics, Total Pressure Losses, and Predictions

A Method for Correlating the Influence of External Crossflow on the Discharge Coefficients of Film Cooling Holes

Flow Characteristics Inside Circular Injection Holes Normally Oriented to a Crossflow: Part I — Flow Visualizations and Flow Data in the Symmetry Plane

Flow Characteristics Inside Circular Injection Holes Normally Oriented to a Crossflow: Part II—Three-Dimensional Flow Data and Aerodynamic Loss

Influence of Crossflow-Induced Swirl and Impingement on Heat Transfer in a Two-Pass Channel Connected by Two Rows of Holes

Heat Transfer in Rotating Narrow Rectangular Ducts With Heated Sides Oriented at 60° to the $r - z$ Plane

Tip Clearance Effects in a Turbine Rotor: Part I—Pressure Field and Loss

Tip Clearance Effects in a Turbine Rotor: Part II—Velocity Field and Flow Physics

Numerical Simulation of Tip Leakage Flows in Axial Flow Turbines, With Emphasis on Flow Physics: Part I—Effect of Tip Clearance Height

Numerical Simulation of Tip Leakage Flows in Axial Flow Turbines, With Emphasis on Flow Physics: Part II—Effect of Outer Casing Relative Motion

The Control of Shroud Leakage Flows to Reduce Aerodynamic Losses in a Low Aspect Ratio, Shrouded Axial Flow Turbine

Flow Interaction From the Exit Cavity of an Axial Turbine Blade Row Labyrinth Seal

Experimental and Theoretical Comparison of Two Swirl Brake Designs

Mixed Flow Turbines: Inlet and Exit Flow Under Steady and Pulsating Conditions

Some Aspects of Modeling Compressor Behavior in Gas Turbine Performance Calculations

Steady Performance Measurements of a Turbofan Engine With Inlet Distortions Containing Co- and Counterrotating Swirl From an Intake Diffuser for Hypersonic Flight

Implementation of a Compressor Face Boundary Condition Based on Small Disturbances

Natural Transition Phenomena on an Axial Compressor Blade

Numerical Investigation of Nonlinear Fluid-Structure Interaction in Vibrating Compressor Blades

The Impact of Viscous Effects on the Aerodynamic Damping of Vibrating Transonic Compressor Blades—A Numerical Study

An Investigation of Surge in a High-Speed Centrifugal Compressor Using Digital PIV

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