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RESEARCH PAPERS

Heat Transfer in an LTV Falling Film Evaporator: A Theoretical and Experimental Analysis

[+] Author and Article Information
J. E. Kroll, J. W. McCutchan

Department of Engineering, University of California, Los Angeles, Calif.

J. Heat Transfer 90(2), 201-210 (May 01, 1968) (10 pages) doi:10.1115/1.3597477 History: Received September 23, 1966; Online August 25, 2011

Abstract

Two slightly differing mathematical models were developed to describe the heat transfer in the long tube vertical falling film process. The process was investigated experimentally with a 3/4 in. dia tube for various lengths up to 13 ft, for flow rate Reynold’s numbers from 1000 to 13000, for temperature differences of the order of 20 deg F, and for vacuum conditions down to 160 deg F. A comparison of theoretical and experimental results was made and was found to be in good agreement; that is, within 10 percent.

Copyright © 1968 by ASME
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