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RESEARCH PAPERS: Forced Convection

Conjugate Heat Transfer From a Single Surface-Mounted Block to Forced Convective Air Flow in a Channel

[+] Author and Article Information
W. Nakayama

Department of Mechanical & Intelligent Systems Engineering, Tokyo Institute of Technology, 2-12-1 Oh-Okayama, Meguro-ku, Tokyo 152, Japan

S.-H. Park

Department of Mechanical Engineering, Kum-Oh National University of Technology, 188 Shinpyung-Dong, Kumi, Kyungbuk 730-701, Korea

J. Heat Transfer 118(2), 301-309 (May 01, 1996) (9 pages) doi:10.1115/1.2825845 History: Received March 01, 1995; Revised November 01, 1995; Online December 05, 2007

Abstract

Conjugate heat transfer from a surface-mounted block (31 × 31 × 7 mm3 ) to forced convective air flow (1–7 m/s) in a parallel-plate channel was studied experimentally and analytically. Particular attention was directed to the heat flow from the block to the floor through the block support, which was eventually transferred to the air flow over the floor. The concepts of adiabatic wall temperature (Tad ) and adiabatic heat transfer coefficient (had ) were employed to account for the effect of thermal wake shed from the block on the heat transfer from the floor. The experimental data of Tad and had were used in setting the boundary condition for the numerical analysis of heat conduction in the floor. The accuracy of the numerical predictions of the thermal conductances for different heat flow paths was proven experimentally. The heat conduction analysis code was then used to find the heat transfer capability of various block-support/floor combinations.

Copyright © 1996 by The American Society of Mechanical Engineers
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