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RESEARCH PAPERS

Thermal Performance Deterioration in Crossflow Heat Exchanger due to the Flow Nonuniformity

[+] Author and Article Information
J. P. Chiou

Department of Mechanical Engineering, University of Detroit, Detroit, Mich. 48221

J. Heat Transfer 100(4), 580-587 (Nov 01, 1978) (8 pages) doi:10.1115/1.3450860 History: Received December 09, 1977; Online August 11, 2010

Abstract

A mathematical method to determine the effectiveness of the crossflow heat exchanger accounting for the effect of two-dimensional nonuniform fluid flow distribution is presented. By using a successive substitution technique, the exchanger effectiveness and its deterioration due to the fluid flow nonuniformity effect have been calculated for four typical fluid flow maldistributions. A Flow Nonuniformity Factor has been developed as the principal parameter for predicting the degree of deterioration of the exchanger effectiveness.

Copyright © 1978 by ASME
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