Heat Transfer Mechanisms and Performance in Multiple Parallel Disk Assemblies

[+] Author and Article Information
S. Mochizuki, Wen-Jei Yang

Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, Mich. 48109

Y. Yagi, M. Ueno

Department of Mechanical Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan

J. Heat Transfer 105(3), 598-604 (Aug 01, 1983) (7 pages) doi:10.1115/1.3245627 History: Received March 19, 1982; Online October 20, 2009


Heat transfer and frictional loss performance in radial flow through multiple parallel disk assemblies are experimentally studied by a modified single-blow transient test method. The mechanisms of heat transfer enhancement are determined in the four flow regimes which are characterized by different combinations of flow patterns: pure laminar, laminar-oscillating-laminar, laminar-oscillating-turbulent-laminar, and laminar-oscillating-turbulent type convection. The fifth convective regime is predicted. The results of a condensation-heated disk core are incorporated for discussion and performance comparison. The effects of the disk spacing and size and influx disturbance on the transfer performance are investigated. It is concluded that the disk device has the performance characteristics comparable to high-performance plate-fin type surfaces that are commonly employed in compact heat exchangers.

Copyright © 1983 by ASME
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