RESEARCH PAPERS: Forced Convection and Heat Exchangers

Enhanced Heat Transfer, Missing Pin, and Optimization for Cylindrical Pin Fin Arrays

[+] Author and Article Information
B. A. Jubran, M. A. Hamdan, R. M. Abdualh

Department of Mechanical Engineering, University of Jordan, Amman, Jordan

J. Heat Transfer 115(3), 576-583 (Aug 01, 1993) (8 pages) doi:10.1115/1.2910727 History: Received October 01, 1991; Revised January 01, 1993; Online May 23, 2008


This paper reports an experimental investigation on the effects of interfin spacing, shroud clearance, and missing pin on the heat transfer from cylindrical pin fins arranged in staggered and in-line arrays. The interfin spacing in the span wise direction was so small that the pins were almost touching each other. It was found that the optimum interfin spacing in both spanwise and streamwise directions is 2.5 D regardless of both type of array and shroud clearance used. The effect of missing pin for various interfin spacing arrays was found to be negligible for the in-line array but more significant for the staggered arrays.

Copyright © 1993 by The American Society of Mechanical Engineers
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