TECHNICAL PAPERS: Forced Convection

Effect of Tip Clearance on the Thermal and Hydrodynamic Performance of a Shrouded Pin Fin Array

[+] Author and Article Information
Kevin A. Moores

CALCE Electronic Products and Systems Center, Mechanical Engineering Dept., University of Maryland, College Park, MD 20742

Yogendra K. Joshi

George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Heat Transfer 125(6), 999-1006 (Nov 19, 2003) (8 pages) doi:10.1115/1.1621897 History: Received September 19, 2002; Revised July 03, 2003; Online November 19, 2003
Copyright © 2003 by ASME
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Typical shrouded pin fin arrangement; (A) without and (B) with tip clearance
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AlSiC base plate pin fin array and geometry definitions
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Primary test assembly, side and end cross-sectional views
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Schematic of closed loop test facility
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Energy balance of heat transfer trial data
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Relative effect of clearance on Nup
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Nu based array projected area
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Nu based on total wetted area of array
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Evaluation of Nuw-100 correlation
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Correlation of friction factor (f ) data
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Relative effect of clearance on heat transfer to pressure ratio





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