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TECHNICAL PAPERS

Effects of Tip Clearance on Hot Streak Migration in a High-Subsonic Single-Stage Turbine

[+] Author and Article Information
Daniel J. Dorney

Virginia Commonwealth University, Department of Mechanical Engineering, Richmond, VA 23113

Douglas L. Sondak

Boston University, Office of Information Technology, Boston, MA 02215

J. Turbomach 122(4), 613-620 (Feb 01, 2000) (8 pages) doi:10.1115/1.1290399 History: Received February 01, 2000
Copyright © 2000 by ASME
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References

Figures

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CERTS total temperature profile
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CERTS total pressure profile
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Computational grid and hot streak definition
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Computational grid: spanwise view
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Computational grid: axial view
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Computational grid in tip clearance region
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Critical velocity ratio at the hub of the vane: baseline
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Critical velocity ratio at midspan of the vane: baseline
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Critical velocity ratio at the tip of the vane: baseline
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Absolute circumferential flow angle distribution at the exit of the stage: baseline
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Total pressure distribution at the exit of the stage: baseline
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Total temperature distribution at the exit of the stage: baseline
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Temperature history at 42 percent span: no clearance
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Temperature history at 42 percent span: clearance
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Time-averaged temperature—pressure surface—no clearance
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Time-averaged temperature—pressure surface—clearance
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Time-averaged temperature—suction surface—no clearance
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Time-averaged temperature—suction surface—clearance
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Total temperature distribution at the inlet of the vane
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Total temperature distribution at the exit of the vane
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Total temperature distribution at the exit of the rotor
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Total pressure distribution at the inlet of the vane
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Total pressure distribution at the exit of the vane
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Total pressure distribution at the exit of the rotor
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Circumferential absolute flow angle distribution at the exit of the vane
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Circumferential absolute flow angle distribution at the exit of the rotor

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