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TECHNICAL PAPERS

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

[+] Author and Article Information
Andrew A. McCarter, Xinwen Xiao, Budugur Lakshminarayana

Center for Gas Turbines and Power, Pennsylvania State University, 153-J Hammond Bldg. University Park, PA 16802

J. Turbomach 123(2), 305-313 (Feb 01, 2000) (9 pages) doi:10.1115/1.1368880 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Relative secondary velocity vectors (Wsec) with axial vorticity (ωx/Ω) in background
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Loss coefficient (ζ) in rotor passage
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Relative total velocity (W/Um) in rotor passage
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Axial velocity (Wx/Um) in rotor passage
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Relative tangential velocity (Wθ/Um) in rotor passage
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Relative primary flow angle (β) in rotor passage
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Mass averaged relative primary flow angle
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Mass averaged axial velocity
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Area mass averaged vorticity shed by the tip leakage vortex
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Turbulence intensities in (s, n, r) coordinate
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Shear stresses in the streamwise and radial directions

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