Volume 119 Issue 3 | J. Turbomach. | ASME Digital Collection

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Volume 119, Issue 3

July 1997

ISSN 0889-504X

EISSN 1528-8900

Research Papers

Heat Transfer Committee and Turbomachinery Committee Best Paper of 1996 Award: The Path to Predicting Bypass Transition

R. E. Mayle, A. Schulz

J. Turbomach. July 1997, 119(3): 405–411. doi: https://doi.org/10.1115/1.2841138

Abstract

View articletitled, Heat Transfer Committee and Turbomachinery Committee Best Paper of 1996 Award: The Path to Predicting Bypass Transition

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Topics: Boundary layers , Computers , Energy dissipation , Fluctuations (Physics) , Heat transfer , Kinetic energy , Turbomachinery , Turbulence

Transition Over C4 Leading Edge and Measurement of Intermittency Factor Using PDF of Hot-Wire Signal

B. K. Hazarika, C. Hirsch

J. Turbomach. July 1997, 119(3): 412–425. doi: https://doi.org/10.1115/1.2841141

Abstract

View articletitled, Transition Over C4 Leading Edge and Measurement of Intermittency Factor Using PDF of Hot-Wire Signal

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Topics: Signals , Wire , Turbulence , Boundary layers , Flat plates , Flow (Dynamics) , Sensors , Suction

Boundary Layer Development in Axial Compressors and Turbines: Part 2 of 4—Compressors

D. E. Halstead, D. C. Wisler, T. H. Okiishi, G. J. Walker, H. P. Hodson, H.-W. Shin

J. Turbomach. July 1997, 119(3): 426–444. doi: https://doi.org/10.1115/1.2841142

Abstract

View articletitled, Boundary Layer Development in Axial Compressors and Turbines: Part 2 of 4—Compressors

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Topics: Boundary layers , Compressors , Turbines , Airfoils , Wakes , Composite materials , Flow (Dynamics) , Gages , Reynolds number , Rods

Evaluation of Flow Field Approximations for Transonic Compressor Stages

D. J. Dorney, O. P. Sharma

J. Turbomach. July 1997, 119(3): 445–451. doi: https://doi.org/10.1115/1.2841143

Abstract

View articletitled, Evaluation of Flow Field Approximations for Transonic Compressor Stages

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Topics: Approximation , Compressors , Flow (Dynamics) , Blades , Computers , Gas turbines , Rotors , Stators

A Three-Dimensional Shock Loss Model Applied to an Aft-Swept, Transonic Compressor Rotor

S. L. Puterbaugh, W. W. Copenhaver, C. Hah, A. J. Wennerstrom

J. Turbomach. July 1997, 119(3): 452–459. doi: https://doi.org/10.1115/1.2841144

Abstract

View articletitled, A Three-Dimensional Shock Loss Model Applied to an Aft-Swept, Transonic Compressor Rotor

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Topics: Compressors , Rotors , Shock (Mechanics) , Design , Flow (Dynamics) , Geometry , Pressure , Airfoils , Design methodology

Experimental Study of Tip Clearance Losses and Noise in Axial Turbomachines and Their Reduction

F. Kameier, W. Neise

J. Turbomach. July 1997, 119(3): 460–471. doi: https://doi.org/10.1115/1.2841145

Abstract

View articletitled, Experimental Study of Tip Clearance Losses and Noise in Axial Turbomachines and Their Reduction

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Topics: Clearances (Engineering) , Noise (Sound) , Turbomachinery , Blades , Acoustics , Electromagnetic spectrum , Flow instability , Fluctuations (Physics) , Generators , Pressure

Navier–Stokes and Potential Calculations of Axial Spacing Effect on Vortical and Potential Disturbances and Gust Response in an Axial Compressor

M.-H. Chung, A. M. Wo

J. Turbomach. July 1997, 119(3): 472–481. doi: https://doi.org/10.1115/1.2841146

Abstract

View articletitled, Navier–Stokes and Potential Calculations of Axial Spacing Effect on Vortical and Potential Disturbances and Gust Response in an Axial Compressor

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Topics: Compressors , Stators , Rotors , Blades , Chords (Trusses) , Approximation , Design

Vortical Gust Response of a Low-Solidity Vane Row Including Steady Loading and Dynamic Stall Effects

G. H. Henderson, S. Fleeter

J. Turbomach. July 1997, 119(3): 482–490. doi: https://doi.org/10.1115/1.2841147

Abstract

View articletitled, Vortical Gust Response of a Low-Solidity Vane Row Including Steady Loading and Dynamic Stall Effects

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Topics: Blades , Flow (Dynamics) , Plates (structures) , Rotors , Stators , Turbomachinery , Unsteady flow

Stall Precursor Identification in High-Speed Compressor Stages Using Chaotic Time Series Analysis Methods

M. M. Bright, H. K. Qammar, H. J. Weigl, J. D. Paduano

J. Turbomach. July 1997, 119(3): 491–499. doi: https://doi.org/10.1115/1.2841148

Abstract

View articletitled, Stall Precursor Identification in High-Speed Compressor Stages Using Chaotic Time Series Analysis Methods

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Topics: Compressors , Time series , Traveling waves , NASA , Data acquisition , Dynamics (Mechanics) , Fluctuations (Physics) , Pressure , Pressure transducers , Rotors

Development of a High-Specific-Speed Centrifugal Compressor

C. Rodgers

J. Turbomach. July 1997, 119(3): 501–505. doi: https://doi.org/10.1115/1.2841151

Abstract

View articletitled, Development of a High-Specific-Speed Centrifugal Compressor

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Topics: Compressors , Impellers , Calibration , Computational fluid dynamics , Design , Flow (Dynamics) , Geometry , Performance characterization , Pressure

Effect of Modification to Tongue and Impeller Geometry on Unsteady Flow, Pressure Fluctuations, and Noise in a Centrifugal Pump

R. Dong, S. Chu, J. Katz

J. Turbomach. July 1997, 119(3): 506–515. doi: https://doi.org/10.1115/1.2841152

Abstract

View articletitled, Effect of Modification to Tongue and Impeller Geometry on Unsteady Flow, Pressure Fluctuations, and Noise in a Centrifugal Pump

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Topics: Centrifugal pumps , Fluctuations (Physics) , Geometry , Impellers , Noise (Sound) , Pressure , Unsteady flow , Wakes , Oscillations , Blades

Three-Dimensional Navier–Stokes Computation of Turbine Nozzle Flow With Advanced Turbulence Models

J. Luo, B. Lakshminarayana

J. Turbomach. July 1997, 119(3): 516–530. doi: https://doi.org/10.1115/1.2841153

Abstract

View articletitled, Three-Dimensional Navier–Stokes Computation of Turbine Nozzle Flow With Advanced Turbulence Models

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Topics: Computation , Flow (Dynamics) , Nozzles , Turbines , Turbulence , Algebra , Stress , Anisotropy , Viscous flow , Vortices

Development of Blade Profiles for Low-Pressure Turbine Applications

E. M. Curtis, H. P. Hodson, M. R. Banieghbal, J. D. Denton, R. J. Howell, N. W. Harvey

J. Turbomach. July 1997, 119(3): 531–538. doi: https://doi.org/10.1115/1.2841154

Abstract

View articletitled, Development of Blade Profiles for Low-Pressure Turbine Applications

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Topics: Blades , Pressure , Turbines , Cascades (Fluid dynamics) , Boundary layers , Suction , Wakes , Aircraft engines , Design , Geometry

Design Method for Turbomachine Blades With Finite Thickness by the Circulation Method

J. Jiang, T. Dang

J. Turbomach. July 1997, 119(3): 539–543. doi: https://doi.org/10.1115/1.2841155

Abstract

View articletitled, Design Method for Turbomachine Blades With Finite Thickness by the Circulation Method

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Topics: Blades , Design methodology , Turbomachinery , Design , Flow (Dynamics) , Compressors , Impulse (Physics) , Inlet guide vanes , Pressure , Shapes

Analysis of Hot Streak Effects on Turbine Rotor Heat Load

T. Shang, A. H. Epstein

J. Turbomach. July 1997, 119(3): 544–553. doi: https://doi.org/10.1115/1.2841156

Abstract

View articletitled, Analysis of Hot Streak Effects on Turbine Rotor Heat Load

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Topics: Heat , Rotors , Stress , Turbines , Blades , Design , Geometry , Temperature , Axial flow , Buoyancy

High-Temperature Reactive Flow of Combustion Gases in an Expansion Turbine

T. Godin, S. Harvey, P. Stouffs

J. Turbomach. July 1997, 119(3): 554–561. doi: https://doi.org/10.1115/1.2841157

Abstract

View articletitled, High-Temperature Reactive Flow of Combustion Gases in an Expansion Turbine

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Topics: Chemically reactive flow , Combustion gases , High temperature , Turbines , Gas turbines , Combustion chambers , Heat , Nozzles , Temperature , Engineering design processes

Film Cooling From Spanwise-Oriented Holes in Two Staggered Rows

P. M. Ligrani, A. E. Ramsey

J. Turbomach. July 1997, 119(3): 562–567. doi: https://doi.org/10.1115/1.2841158

Abstract

View articletitled, Film Cooling From Spanwise-Oriented Holes in Two Staggered Rows

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Topics: Film cooling , Density , Heat transfer coefficients

Bulk Flow Pulsations and Film Cooling: Flow Structure Just Downstream of the Holes

P. M. Ligrani, R. Gong, J. M. Cuthrell

J. Turbomach. July 1997, 119(3): 568–573. doi: https://doi.org/10.1115/1.2841159

Abstract

View articletitled, Bulk Flow Pulsations and Film Cooling: Flow Structure Just Downstream of the Holes

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Topics: Film cooling , Flow (Dynamics) , Pressure , Blades , Engines , Shear (Mechanics) , Shear stress , Shock waves , Stress tensors , Turbines

Row-of-Holes Film Cooling of Curved Walls at Low Injection Angles

R. J. Goldstein, L. D. Stone

J. Turbomach. July 1997, 119(3): 574–579. doi: https://doi.org/10.1115/1.2841160

Abstract

View articletitled, Row-of-Holes Film Cooling of Curved Walls at Low Injection Angles

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Topics: Curved walls , Film cooling , Vortices , Boundary layers , Density , Flow visualization , Jets

Heat Transfer Coefficients Over a Flat Surface With Air and CO₂ Injection Through Compound Angle Holes Using a Transient Liquid Crystal Image Method

S. V. Ekkad, D. Zapata, J. C. Han

J. Turbomach. July 1997, 119(3): 580–586. doi: https://doi.org/10.1115/1.2841161

Abstract

View articletitled, Heat Transfer Coefficients Over a Flat Surface With Air and CO2 Injection Through Compound Angle Holes Using a Transient Liquid Crystal Image Method

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Topics: Heat transfer coefficients , Liquid crystals , Tertiary petroleum recovery , Transients (Dynamics) , Coolants , Density , Carbon dioxide , Coating processes , Coatings , Film cooling

Film Effectiveness Over a Flat Surface With Air and CO₂ Injection Through Compound Angle Holes Using a Transient Liquid Crystal Image Method

S. V. Ekkad, D. Zapata, J. C. Han

J. Turbomach. July 1997, 119(3): 587–593. doi: https://doi.org/10.1115/1.2841162

Abstract

View articletitled, Film Effectiveness Over a Flat Surface With Air and CO2 Injection Through Compound Angle Holes Using a Transient Liquid Crystal Image Method

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Topics: Liquid crystals , Tertiary petroleum recovery , Transients (Dynamics) , Coolants , Density , Carbon dioxide , Film cooling , Gas turbines , Heat transfer coefficients , Turbulence

Combined Effect of Grid Turbulence and Unsteady Wake on Film Effectiveness and Heat Transfer Coefficient of a Gas Turbine Blade With Air and CO₂ Film Injection

S. V. Ekkad, A. B. Mehendale, J. C. Han, C. P. Lee

J. Turbomach. July 1997, 119(3): 594–600. doi: https://doi.org/10.1115/1.2841163

Abstract

View articletitled, Combined Effect of Grid Turbulence and Unsteady Wake on Film Effectiveness and Heat Transfer Coefficient of a Gas Turbine Blade With Air and CO2 Film Injection

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Topics: Blades , Carbon dioxide , Gas turbines , Heat transfer coefficients , Turbulence , Wakes , Cascades (Fluid dynamics) , Chords (Trusses) , Density , Pressure

Measurements of Heat Transfer Coefficients and Friction Factors in Rib-Roughened Channels Simulating Leading-Edge Cavities of a Modern Turbine Blade

M. E. Taslim, T. Li, S. D. Spring

J. Turbomach. July 1997, 119(3): 601–609. doi: https://doi.org/10.1115/1.2841164

Abstract

View articletitled, Measurements of Heat Transfer Coefficients and Friction Factors in Rib-Roughened Channels Simulating Leading-Edge Cavities of a Modern Turbine Blade

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Topics: Cavities , Friction , Heat transfer coefficients , Turbine blades , Blades , Flow (Dynamics) , Cooling , Shapes , Airfoils , Design

Effects of Rib Arrangements on Pressure Drop and Heat Transfer in a Rib-Roughened Channel With a Sharp 180 deg Turn

S. Mochizuki, A. Murata, M. Fukunaga

J. Turbomach. July 1997, 119(3): 610–616. doi: https://doi.org/10.1115/1.2841165

Abstract

View articletitled, Effects of Rib Arrangements on Pressure Drop and Heat Transfer in a Rib-Roughened Channel With a Sharp 180 deg Turn

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Topics: Heat transfer , Pressure drop , Flow (Dynamics) , Heat transfer coefficients , Reynolds number

Heat Transfer Augmentation in a Rectangular Channel With Slit Rib-Turbulators on Two Opposite Walls

Jenn-Jiang Hwang, Tong-Miin Liou

J. Turbomach. July 1997, 119(3): 617–623. doi: https://doi.org/10.1115/1.2841167

Abstract

View articletitled, Heat Transfer Augmentation in a Rectangular Channel With Slit Rib-Turbulators on Two Opposite Walls

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Topics: Heat transfer , Friction , Cooling , Design , Flow (Dynamics) , Heat transfer coefficients , Holographic interferometry , Lasers , Reynolds number , Turbine blades

Experimental Investigation of Steady and Unsteady Flow Field Downstream of an Automotive Torque Converter Turbine and Inside the Stator: Part I—Flow at Exit of Turbine

B. V. Marathe, B. Lakshminarayana, D. G. Maddock

J. Turbomach. July 1997, 119(3): 624–633. doi: https://doi.org/10.1115/1.2841168

Abstract

View articletitled, Experimental Investigation of Steady and Unsteady Flow Field Downstream of an Automotive Torque Converter Turbine and Inside the Stator: Part I—Flow at Exit of Turbine

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Topics: Flow (Dynamics) , Stators , Torque converters , Turbines , Unsteady flow , Pressure , Fluctuations (Physics) , Separation (Technology) , Emission spectroscopy , Flow separation

Experimental Investigation of Steady and Unsteady Flow Field Downstream of an Automotive Torque Converter Turbine and Inside the Stator: Part II—Unsteady Pressure on the Stator Blade Surface

B. V. Marathe, B. Lakshminarayana, D. G. Maddock

J. Turbomach. July 1997, 119(3): 634–645. doi: https://doi.org/10.1115/1.2841169

Abstract

View articletitled, Experimental Investigation of Steady and Unsteady Flow Field Downstream of an Automotive Torque Converter Turbine and Inside the Stator: Part II—Unsteady Pressure on the Stator Blade Surface

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Topics: Blades , Pressure , Stators , Torque converters , Turbines , Unsteady flow , Rotors , Flow (Dynamics) , Design , Emission spectroscopy

Laser Velocimeter Measurements in the Turbine of an Automotive Torque Converter: Part I—Average Measurements

K. Brun, R. D. Flack

J. Turbomach. July 1997, 119(3): 646–654. doi: https://doi.org/10.1115/1.2841170

Abstract

View articletitled, Laser Velocimeter Measurements in the Turbine of an Automotive Torque Converter: Part I—Average Measurements

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Topics: Lasers , Torque converters , Turbines , Velocimeters , Flow (Dynamics) , Blades , Pumps , Shaft angle encoders , Corners (Structural elements) , Energy dissipation