Condensation of Freon-114 in the Presence of a Strong Nonuniform, Alternating Electric Field

[+] Author and Article Information
R. E. Holmes

Battelle Memorial Institute, Columbus Laboratories, Columbus, Ohio

A. J. Chapman

Rice University, Houston, Texas

J. Heat Transfer 92(4), 616-620 (Nov 01, 1970) (5 pages) doi:10.1115/1.3449731 History: Received April 04, 1968; Revised August 19, 1969; Online August 11, 2010


The condensation of Freon-114 in the presence of a nonuniform, alternating, 60-cycle, electric field was examined experimentally. The condensing surface was a grounded, cooled flat plate, and the electric field was produced by applying a voltage to a second plate placed above the first. Voltages up to 60 kv were imposed, and nonuniformities in the field were created by varying the angle between the plates. Analytical predictions were made of the expected heat-transfer rate, and reasonable agreement with the experimental data was obtained for voltages less than 40 kv. Above 40 kv the results were unpredictable, but increases in the heat-transfer coefficient as high as ten times that for no field were obtained.

Copyright © 1970 by ASME
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