TECHNICAL PAPERS: Forced Convection

Film Cooling of a Cylindrical Leading Edge With Injection Through Rows of Compound-Angle Holes

[+] Author and Article Information
Y.-L. Lin, T. I.-P. Shih

Department of Mechanical Engineering, Michigan State University, East Lansing, MI 48824-1226

J. Heat Transfer 123(4), 645-654 (Jan 09, 2001) (10 pages) doi:10.1115/1.1370513 History: Received April 28, 1999; Revised January 09, 2001
Copyright © 2001 by ASME
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Schematic of experimental setup 7
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Schematic of computational model
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Grid system used: overall grid and grid about film-cooling holes
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Coarsest grid used for grid-independence study
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Computed and measured normalized temperature Θ as a function of Z/D and Y/D at three X/D locations
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Adiabatic effectiveness η: (a) computed; (b) computed, averaged over 0.43D×0.43D; and (c) measured with resolution of 0.43D×0.43D7.
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Adiabatic effectiveness, local and laterally averaged
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Velocity-vector field about the middle of a symmetry-plane hole and the middle of a second-row hole in two x-y planes
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Pressure contours on the cylindrical surface (X-Z plane at Y=0) and two Y-Z planes (P1:X/D=0,P3:X/D=3.50; see Fig. 10)
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Projected streamlines at selected Y-Z and X-Y planes. P1, [[ellipsis]], P6 correspond to X/D=0, 1.84, 3.50, 5.47, 8.47, and 12.72, respectively. S1, [[ellipsis]], S6 correspond to Z/D=1.10, 2.24, 3.37, 4.27, 5.73, and 7.64, respectively.
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Normalized temperature Θ at the symmetry plane and the leading-edge surface




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