Volume 103 Issue 2 | J. Eng. Gas Turbines Power

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Research Papers

Influence of Mach Number and End Wall Cooling on Secondary Flows in a Straight Nozzle Cascade

C. H. Sieverding, Ph. Wilputte

J. Eng. Power. April 1981, 103(2): 257–263. doi: https://doi.org/10.1115/1.3230713

Abstract

View articletitled, Influence of Mach Number and End Wall Cooling on Secondary Flows in a Straight Nozzle Cascade

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Topics: Cascades (Fluid dynamics) , Cooling , Flow (Dynamics) , Mach number , Nozzles , Pressure , Blades , Probes

A New Approach for Erosion Prediction Due To Fly Ash

R. Kotwal, W. Tabakoff

J. Eng. Power. April 1981, 103(2): 265–270. doi: https://doi.org/10.1115/1.3230716

Abstract

View articletitled, A New Approach for Erosion Prediction Due To Fly Ash

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Topics: Erosion , Fly ash , Coal , Combustion , Alloys , Industrial gases , Iron , Metals , Nickel , Particle size

On the Pressure Losses Due to the Tip Clearance of Centrifugal Blowers

M. Ishida, Y. Senoo

J. Eng. Power. April 1981, 103(2): 271–278. doi: https://doi.org/10.1115/1.3230717

Abstract

View articletitled, On the Pressure Losses Due to the Tip Clearance of Centrifugal Blowers

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Topics: Clearances (Engineering) , Pressure , Impellers , Pressure gradient , Flow (Dynamics)

Vorticity Modeling of Blade Wakes behind Isolated Annular Blade-Rows: Induced Disturbances in Swirling Flows

C. S. Tan

J. Eng. Power. April 1981, 103(2): 279–287. doi: https://doi.org/10.1115/1.3230718

Abstract

View articletitled, Vorticity Modeling of Blade Wakes behind Isolated Annular Blade-Rows: Induced Disturbances in Swirling Flows

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Topics: Blades , Modeling , Swirling flow , Vorticity , Wakes , Pressure , Vortices , Centrifugal force , Coriolis force , Flow (Dynamics)

Rotordynamic Instability in Centrifugal Compressors—Are All the Excitations Understood?

J. M. Vance, F. J. Laudadio

J. Eng. Power. April 1981, 103(2): 288–293. doi: https://doi.org/10.1115/1.3230719

Abstract

View articletitled, Rotordynamic Instability in Centrifugal Compressors—Are All the Excitations Understood?

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Topics: Compressors , Excitation , Impellers , Stiffness , Damping , Fluids , Journal bearings , Stability

Effect of Sodium, Potassium, Magnesium, Calcium, and Chlorine on the High Temperature Corrosion of In-100, U-700, IN-792, and MAR M-509

C. E. Lowell, S. M. Sidik, D. L. Deadmore

J. Eng. Power. April 1981, 103(2): 294–307. doi: https://doi.org/10.1115/1.3230720

Abstract

View articletitled, Effect of Sodium, Potassium, Magnesium, Calcium, and Chlorine on the High Temperature Corrosion of In-100, U-700, IN-792, and MAR M-509

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Topics: Corrosion , High temperature , Magnesium (Metal) , Potassium , Sodium , Design , Fuels , Coal , Combustion chambers , Composite materials

Advances in Labyrinth Seal Aeroelastic Instability Prediction and Prevention

D. R. Abbott

J. Eng. Power. April 1981, 103(2): 308–312. doi: https://doi.org/10.1115/1.3230721

Abstract

View articletitled, Advances in Labyrinth Seal Aeroelastic Instability Prediction and Prevention

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Topics: Acoustics , Air flow , Aircraft engines , Dampers , Damping , Fatigue cracks , Flight , Fluctuations (Physics) , Friction , Leakage

The Effect of Aerodynamic Phase Lag on the Twin Vibration Mode Model of Aeroengine Fan Flutter

R. A. J. Ford

J. Eng. Power. April 1981, 103(2): 313–318. doi: https://doi.org/10.1115/1.3230722

Abstract

View articletitled, The Effect of Aerodynamic Phase Lag on the Twin Vibration Mode Model of Aeroengine Fan Flutter

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Topics: Flutter (Aerodynamics) , Vibration , Damping , Aerodynamics , Blades , Fluid-dynamic forces

Redesign of Structural Vibration Modes by Finite-Element Inverse Perturbation

K. A. Stetson, I. R. Harrison

J. Eng. Power. April 1981, 103(2): 319–325. doi: https://doi.org/10.1115/1.3230723

Abstract

View articletitled, Redesign of Structural Vibration Modes by Finite-Element Inverse Perturbation

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Topics: Finite element analysis , Vibration , Cantilevers , Blades , Compressors , Cylinders , Equations of motion , Jet engines , Plates (structures) , Shapes

Blade Excitation by Elliptical Whirling in Viscous-Damped Jet Engines

N. Klompas

J. Eng. Power. April 1981, 103(2): 326–330. doi: https://doi.org/10.1115/1.3230724

Abstract

View articletitled, Blade Excitation by Elliptical Whirling in Viscous-Damped Jet Engines

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Topics: Blades , Excitation , Jet engines , Whirls , Accounting , Dampers , Disks , Dynamics (Mechanics) , Engines

Creep Rupture Behavior of Selected Turbine Materials in Air, Ultra-High Purity Helium, and Simulated Closed Cycle Brayton Helium Working Fluids

R. L. Ammon, L. R. Eisenstatt, G. O. Yatsko

J. Eng. Power. April 1981, 103(2): 331–337. doi: https://doi.org/10.1115/1.3230725

Abstract

View articletitled, Creep Rupture Behavior of Selected Turbine Materials in Air, Ultra-High Purity Helium, and Simulated Closed Cycle Brayton Helium Working Fluids

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Topics: Creep , Cycles , Fluids , Helium , Rupture , Turbines , Alloys

Preliminary Design Analysis of a Catalytic Ceramic Structure in a Turbine Combustor

W. S. Y. Hung, W. H. Dickson, S. M. DeCorso

J. Eng. Power. April 1981, 103(2): 338–344. doi: https://doi.org/10.1115/1.3230726

Abstract

View articletitled, Preliminary Design Analysis of a Catalytic Ceramic Structure in a Turbine Combustor

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Topics: Ceramics , Combustion chambers , Design , Turbines , Conceptual design , Emissions , Steady state , Thermomechanics , Transients (Dynamics)

Averaging Methods for Determining the Performance of Large Fans from Field Measurements

P. M. Gerhart

J. Eng. Power. April 1981, 103(2): 345–347. doi: https://doi.org/10.1115/1.3230727

Abstract

View articletitled, Averaging Methods for Determining the Performance of Large Fans from Field Measurements

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Topics: Fans , Pressure , Temperature , Density , Flow (Dynamics) , Testing

Utility Operations: An Effective and Economic Approach to Operator Training

B. C. Studley

J. Eng. Power. April 1981, 103(2): 348–357. doi: https://doi.org/10.1115/1.3230728

Abstract

View articletitled, Utility Operations: An Effective and Economic Approach to Operator Training

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Topics: Control rooms , Errors , Fossil fuels , Inspection

Vibration in Nuclear Heat Exchangers Due to Liquid and Two-Phase Flow

W. J. Heilker, R. Q. Vincent

J. Eng. Power. April 1981, 103(2): 358–366. doi: https://doi.org/10.1115/1.3230729

Abstract

View articletitled, Vibration in Nuclear Heat Exchangers Due to Liquid and Two-Phase Flow

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Topics: Heat exchangers , Two-phase flow , Vibration , Flow (Dynamics) , Water , Boilers , Damping , Displacement , Fluids , Testing

Calculations of Three-Dimensional, Viscous Flow and Wake Development in a Centrifugal Impeller

J. Moore, J. G. Moore

J. Eng. Power. April 1981, 103(2): 367–372. doi: https://doi.org/10.1115/1.3230730

Abstract

View articletitled, Calculations of Three-Dimensional, Viscous Flow and Wake Development in a Centrifugal Impeller

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Topics: Impellers , Viscous flow , Wakes , Pressure , Flow (Dynamics) , Boundary layers , Boundary-value problems , Ducts , Geometry , Inviscid flow

Symposium Papers: Measurement Methods in Rotating Components of Turbomachinery

Techniques for Aerodynamic and Turbulence Measurements in Turbomachinery Rotors

B. Lakshminarayana

J. Eng. Power. April 1981, 103(2): 374–392. doi: https://doi.org/10.1115/1.3230732

Abstract

View articletitled, Techniques for Aerodynamic and Turbulence Measurements in Turbomachinery Rotors

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Topics: Rotors , Turbomachinery , Turbulence , Probes , Blades , Flow (Dynamics) , Flow measurement , Stress , Wire

Measurements of the Mean Flow Velocity and Velocity Fluctuations at the Exit of an FC Centrifugal Fan Rotor

D. Raj, W. B. Swim

J. Eng. Power. April 1981, 103(2): 393–399. doi: https://doi.org/10.1115/1.3230733

Abstract

View articletitled, Measurements of the Mean Flow Velocity and Velocity Fluctuations at the Exit of an FC Centrifugal Fan Rotor

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Topics: Flow (Dynamics) , Fluctuations (Physics) , Rotors , Blades , Design , Fans , Air conditioning , Suction , Turbulence , Visualization

Measurement of Turbine Rotor Blade Flows

R. P. Dring, H. D. Joslyn

J. Eng. Power. April 1981, 103(2): 400–405. doi: https://doi.org/10.1115/1.3230734

Abstract

View articletitled, Measurement of Turbine Rotor Blade Flows

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Topics: Blades , Flow (Dynamics) , Rotors , Turbines , Pressure , Airfoils , Flow visualization , Probes , Radial flow

Conventional Probes for the Relative Flow Measurement in a Turbomachinery Rotor Blade Passage

N. Sitaram, B. Lakshminarayana, A. Ravindranath

J. Eng. Power. April 1981, 103(2): 406–414. doi: https://doi.org/10.1115/1.3230735

Abstract

View articletitled, Conventional Probes for the Relative Flow Measurement in a Turbomachinery Rotor Blade Passage

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Topics: Blades , Flow measurement , Probes , Rotors , Turbomachinery , Flow (Dynamics) , Axial flow , Disks , Errors , Boundary layers

Experimental Analysis Methods for Unsteady Flows in Turbomachines

R. Larguier

J. Eng. Power. April 1981, 103(2): 415–423. doi: https://doi.org/10.1115/1.3230736

Abstract

View articletitled, Experimental Analysis Methods for Unsteady Flows in Turbomachines

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Topics: Experimental analysis , Turbomachinery , Unsteady flow , Probes , Rotors , Aerodynamics , Blades , Boundary layers , Flow (Dynamics) , Gages

Efficient Laser Anemometer for Intra-Rotor Flow Mapping in Turbomachinery

J. A. Powell, A. J. Strazisar, R. G. Seasholtz

J. Eng. Power. April 1981, 103(2): 424–429. doi: https://doi.org/10.1115/1.3230737

Abstract

View articletitled, Efficient Laser Anemometer for Intra-Rotor Flow Mapping in Turbomachinery

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Topics: Flow (Dynamics) , Lasers , Rotors , Turbomachinery , Axial flow , Blades , Compressors , Data acquisition , Flow measurement , Laser beams

Laser Anemometer Measurements in a Transonic Axial Flow Compressor Rotor

A. J. Strazisar, J. A. Powell

J. Eng. Power. April 1981, 103(2): 430–437. doi: https://doi.org/10.1115/1.3230738

Abstract

View articletitled, Laser Anemometer Measurements in a Transonic Axial Flow Compressor Rotor

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Topics: Axial flow , Lasers , Rotors , Flow (Dynamics) , Blades , Boundary layers , Compressors , Data acquisition , Instrumentation , Laser beams

Optical Advances in Laser Transit Anemometry

A. E. Smart, D. C. Wisler, W. T. Mayo, Jr.

J. Eng. Power. April 1981, 103(2): 438–444. doi: https://doi.org/10.1115/1.3230739

Abstract

View articletitled, Optical Advances in Laser Transit Anemometry

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Topics: Lasers , Flow (Dynamics) , Blades , Compressors , Computers , Data collection , Rotating blades , Turbomachinery , Turbulence

Mean Flow Measurements Near the Plane of an Open Rotor Operating with an Inlet Velocity Gradient

M. L. Billet

J. Eng. Power. April 1981, 103(2): 445–450. doi: https://doi.org/10.1115/1.3230740

Abstract

View articletitled, Mean Flow Measurements Near the Plane of an Open Rotor Operating with an Inlet Velocity Gradient

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Topics: Flow measurement , Rotors , Flow (Dynamics) , Wake turbulence , Lasers , Vortex motion , Vortices , Water tunnels

Flow Instability at the Inlet of a Centrifugal Compressor

G. Flueckiger, A. Melling

J. Eng. Power. April 1981, 103(2): 451–456. doi: https://doi.org/10.1115/1.3230741

Abstract

View articletitled, Flow Instability at the Inlet of a Centrifugal Compressor

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Topics: Compressors , Flow instability , Flow (Dynamics) , Blades , Compressor impellers , Laser Doppler anemometry , Suction , Surges , Turbochargers

Laser-Optical Blade Tip Clearance Measurement System

J. P. Barranger, M. J. Ford

J. Eng. Power. April 1981, 103(2): 457–460. doi: https://doi.org/10.1115/1.3230742

Abstract

View articletitled, Laser-Optical Blade Tip Clearance Measurement System

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Topics: Blades , Clearances (Engineering) , Lasers , Measurement systems , Engines , Gas turbines , Compressors , Instrumentation , Probes , Rotors

Flutter Spectral Measurements Using Stationary Pressure Transducers

A. P. Kurkov

J. Eng. Power. April 1981, 103(2): 461–467. doi: https://doi.org/10.1115/1.3230743

Abstract

View articletitled, Flutter Spectral Measurements Using Stationary Pressure Transducers

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Topics: Flutter (Aerodynamics) , Pressure transducers , Blades , Pressure , Spectra (Spectroscopy) , Displacement , Engines , Vibration

Temperature and Pressure Measurement Techniques for an Advanced Turbine Test Facility

F. G. Pollack, R. P. Cochran

J. Eng. Power. April 1981, 103(2): 468–472. doi: https://doi.org/10.1115/1.3230744

Abstract

View articletitled, Temperature and Pressure Measurement Techniques for an Advanced Turbine Test Facility

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Topics: Pressure measurement , Temperature , Test facilities , Turbines , Cooling , High pressure (Physics) , High temperature , NASA , Photography , Pressure