Homogeneous Vapor Nucleation and Superheat Limits of Liquid Mixtures

[+] Author and Article Information
E. L. Pinnes, W. K. Mueller

Department of Mechanical and Aerospace Engineering, Polytechnic Institute of New York, Brooklyn, NY 11201

J. Heat Transfer 101(4), 617-621 (Nov 01, 1979) (5 pages) doi:10.1115/1.3451046 History: Received January 19, 1979; Online August 11, 2010


Two features distinguish vapor nucleation in multicomponent liquids from the single component case. Both result from the unequal volatilities of the species. One is that the vapor phase may contain several components; the other is that nucleus formation alters the composition of the nearby liquid. These two features are incorporated into the classical theory of homogeneous nucleation to yield a general theory applicable to multicomponent liquids. The theory is applied to binary hydrocarbon mixtures by using an equation of state extrapolated into the metastable region. Superheat limits thus calculated are compared with published experimental results.

Copyright © 1979 by ASME
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