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RESEARCH PAPERS

Homogeneous Bubble Nucleation Predicted by a Molecular Interaction Model

[+] Author and Article Information
Ho-Young Kwak, Sangbum Lee

Mechanical Engineering Department, Chung-Ang University, Seoul 156-756, Korea

J. Heat Transfer 113(3), 714-721 (Aug 01, 1991) (8 pages) doi:10.1115/1.2910622 History: Received April 02, 1990; Revised November 21, 1990; Online May 23, 2008

Abstract

The homogeneous bubble nucleation of various hydrocarbons was estimated by the modified classical nucleation theory. In this modification, the kinetic formalism of the classical theory is retained while the surface energy needed for the bubble formation is calculated from the interaction energy between molecules. With a nucleation rate value of Jnc =1022 nuclei/cm3 s, this modified model gives a very good prediction of the superheat limit of liquids. In another test of the model the complete evaporation time of a butane droplet at its superheat limit is compared with experiments and found to be in good agreement.

Copyright © 1991 by The American Society of Mechanical Engineers
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