Hydrodynamic Transition in Electrolysis

[+] Author and Article Information
A. Bhattacharya, J. H. Lienhard

Department of Mechanical Engineering, University of Kentucky, Lexington, Ky.

J. Basic Eng 94(4), 804-810 (Dec 01, 1972) (7 pages) doi:10.1115/1.3425562 History: Received December 22, 1971; Online October 27, 2010


The gas removal process during electrolysis is studied with the aim of identifying hydrodynamic transitions, analogous to those which occur in boiling. The local peak in the electrolysis gas flux is observed during electrolysis from a horizontal cylindrical cathode. This transition point is shown to correspond with Moissis and Berenson’s “first transition” in nucleate pool boiling. A prediction of the transition, applicable to either boiling or electrolysis, is developed for the cylindrical heater (or cathode) arrangement. It is compared with 12 experimental data for boiling and electrolysis, and its limitations are discussed. Finally, some attributes of the regime of film electrolysis are identified and discussed.

Copyright © 1972 by ASME
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