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RESEARCH PAPERS

Artificial Transformation of the Direct-Contact Condensation Pattern of Steam Bubbles in a Hydrophobic Liquid Medium

[+] Author and Article Information
Y. H. Mori

Department of Mechanical Engineering, Keio University, Yokohama 223, Japan

J. Heat Transfer 109(4), 1007-1012 (Nov 01, 1987) (6 pages) doi:10.1115/1.3248170 History: Received June 07, 1985; Online October 20, 2009

Abstract

When steam bubbles are released into a medium of a hydrophobic coolant, the condensate is scattered through the coolant in the form of tiny droplets. This condensation pattern is unfavorable for direct-contact condensers because it is difficult to separate the condensate and the coolant. This paper proposes a novel bubble-release device by which the condensation pattern is so transformed that the condensate remains within the confines of the bubble wall. An experimental examination with single steam bubbles released into a medium of liquid paraffin is demonstrated.

Copyright © 1987 by ASME
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