Water nucleation on aerosol particles containing both soluble and insoluble substances

Gorbunov, B. and Hamilton, Ron (1997) Water nucleation on aerosol particles containing both soluble and insoluble substances. Journal of Aerosol Science, 28 (2). pp. 239-248. ISSN 0021-8502

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Official URL: http://dx.doi.org/10.1016/S0021-8502(96)00070-5

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Abstract

A theory of heterogeneous water nucleation on aerosol particles consisting of soluble and insoluble substances has been developed. The case of partially wettable spherical insoluble core is considered. The theory links interfacial free energies of the surfaces, size of an insoluble core and chemical characteristics of the soluble substances with the ability of the aerosols to form water droplets. It is shown that water nucleation on such aerosols is strongly influenced by insoluble substances. The theory is compared with Kohler's theory and major differences in equilibrium pressure of water vapour and nucleation rate were found. These differences are explained by the influence of the insoluble substances on the free energy of embryo formation.

Item Type:Article
Research Areas:Science & Technology > Environmental Science
ID Code:3867
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Deposited On:28 Jan 2010 07:59
Last Modified:22 Oct 2013 08:16

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