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Modified Transition State Theory for Evaporation and Condensation

Wang Zun-Jing, Chen Min and Guo Zeng-Yuan

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A modification of the transition state theory for evaporation and condensation is presented by analysing the kinetic characteristics of liquid-vapour interphase transport. In the modified transition state theory, the moving orientation of molecules is introduced into the calculation of the free volume of the activated complex. The condensation coefficients of argon at different temperatures are calculated with the modified transition state theory. The results agree well with those from molecular dynamics simulations.


PACS

64.70.F- Liquid–vapor transitions

Subjects

Condensed matter: structural, mechanical & thermal

Dates

Issue 4 (April 2002)

Received 1 October 2001



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