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TECHNICAL PAPERS

A Study of the Effects of Tip Clearance in a Supersonic Turbine

[+] Author and Article Information
Daniel J. Dorney

Department of Mechanical Engineering, Virginia Commonwealth University, Richmond, VA 23284-3015

Lisa W. Griffin

Fluids Dynamics Analysis Branch, NASA Marshall Space Flight Center, Marshall Space Flight Center, AL 35812

Frank W. Huber

Riverbend Design Services, Palm Beach Gardens, FL 33418

J. Turbomach 122(4), 674-683 (Feb 01, 2000) (10 pages) doi:10.1115/1.1290400 History: Received February 01, 2000
Copyright © 2000 by ASME
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References

Figures

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Midspan section of O–H grid topology for the turbine
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Axial-direction view of the computational grids for the turbine
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Tip clearance grids for the turbine
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Perspective view of the nozzle and rotor grids for the turbine
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Time-averaged entropy contours—50 percent span—Case 1
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Time-averaged entropy contours—50 percent span—Case 2
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Time-averaged entropy contours—75 percent span—Case 1
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Time-averaged entropy contours—75 percent span—Case 2
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Time-averaged entropy contours on rotor S.S.—Case 1
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Time-averaged entropy contours on rotor S.S.— Case 2
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Time-averaged total temperature contours at rotor passage exit—Case 1
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Time-averaged total temperature contours at rotor passage exit—Case 2
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Time-averaged pressure contours—50 percent span—Case 1
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Time-averaged pressure contours—50 percent span—Case 2
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Time-averaged pressure contours—75 percent span—Case 1
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Time-averaged pressure contours—75 percent span—Case 2
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Unsteady pressure history and decomposition—60 percent span leading edge—Case 1—rotor
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Unsteady pressure history and decomposition—60 percent span leading edge—Case 2—rotor
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Unsteady pressure envelope—Case 1—vane; –– min, —– avg, - - - max
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Unsteady pressure envelope—Case 2—vane; –– min, —– avg, - - - max
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Unsteady pressure envelope—Case 1—rotor; –– min, —– avg, - - - max
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Unsteady pressure envelope—Case 2—rotor; –– min, —– avg, - - - max
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Radial profile of circumferentially averaged absolute Mach number—vane exit
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Radial profile of circumferentially averaged absolute Mach number—rotor exit
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Radial profile of circumferentially averaged absolute circumferential flow angle—vane exit
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Radial profile of circumferentially averaged absolute circumferential flow angle—rotor exit
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Radial profile of circumferentially averaged absolute total pressure—vane exit
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Radial profile of circumferentially averaged absolute total pressure—rotor exit
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Radial profile of circumferentially averaged absolute total temperature—vane exit
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Radial profile of circumferentially averaged absolute total temperature—rotor exit

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