Research Papers

The Use of Thin Films for Increasing Evaporation and Condensation Rates in Process Equipment

[+] Author and Article Information
E. L. Lustenader, F. J. Neugebauer

General Engineering Laboratory, General Electric Company, Schenectady, N. Y.

R. Richter

Knolls Atomic Power Laboratory, General Electric Company, Schenectady, N. Y.

J. Heat Transfer 81(4), 297-306 (Nov 01, 1959) (10 pages) doi:10.1115/1.4008213 History: Received March 02, 1959; Published November 01, 1959; Online February 19, 2019


This paper describes an experimental investigation of an evaporating and condensing test apparatus in which over-all heat-transfer coefficients as high as 8000 Btu/(hr) (sq ft) (deg F) were obtained with water by utilizing thin films both in evaporation and condensation. The films were obtained by wiping on the evaporating surface and utilizing surface tension effects on the condensing surface. The phenomena on both the evaporating and the condensing surfaces are amenable to theory.

Copyright © 1959 by ASME
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