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RESEARCH PAPERS

Two-Dimensional Study of Heat Transfer and Fluid Flow in a Natural Convection Loop

[+] Author and Article Information
A. Mertol, R. Greif

Department of Mechanical Engineering, University of California, Berkeley, Calif. 94720

Y. Zvirin

Technion, Israel Institute of Technology, Haifa, Israel

J. Heat Transfer 104(3), 508-514 (Aug 01, 1982) (7 pages) doi:10.1115/1.3245122 History: Received July 20, 1981; Online October 20, 2009

Abstract

A study has been made of the heat transfer and fluid flow in a natural convection loop. Previous studies of these systems have utilized a one-dimensional approach which requires a priori specifications of the friction and the heat-transfer coefficients. The present work carries out a two-dimensional analysis for the first time. The results yield the friction and the heat-transfer coefficients and give their variation along the loop with the Graetz number as a parameter. Comparison is also made with experimental data for the heat flux and good agreement is obtained.

Copyright © 1982 by ASME
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