Vaporization of Drops of a Denser, Volatile Liquid Dropped Onto a Surface of Another Liquid

[+] Author and Article Information
T. Nosoko, Y. H. Mori

Department of Mechanical Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223, Japan

J. Heat Transfer 107(2), 384-391 (May 01, 1985) (8 pages) doi:10.1115/1.3247426 History: Received January 05, 1984; Online October 20, 2009


Experiments were performed with single R 113 (C2 Cl3 F3 ) drops dropped onto the surface of immiscible ethylene glycol or water, or miscible n-tridecane in contact with the common vapors of the two liquids. Five different vaporization modes were distinguished in the immiscible systems: film boiling on the surface, film boiling in the bulk (only in R 113/ethylene glycol system), and three other modes in which the two liquids make direct contact. The latter three were replaced, in the miscible system, by an immediate dissolving of drops into the medium. The details of dynamic process in each mode have been revealed with the aid of high-speed cinephotography. Operational conditions required for the occurrence of respective modes and heat transfer characteristics in those modes have also been discussed.

Copyright © 1985 by ASME
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