The microphysical effects in nonisothermal nucleation

F.m Kuni, A.p Grinin and A.k Shchekin

Physica A: Statistical Mechanics and its Applications, 1998, vol. 252, issue 1, 67-84

Abstract: The role of microphysical effects in the ability of a small new phase nucleus to emit molecules into the vapor is revealed on a thermodynamic basis. It is shown that dependence of the surface tension of a nucleus on its temperature and the dependence of the vaporisation heat on the nuclear surface curvature are insignificant in nonisothermal nucleation. The meaning of the quantities used in the one-dimensional theory of isothermal nucleation has been clarified from the point of the two-dimensional nonisothermal theory. Statistical and kinetic treatment of the microphysical effects in the emitting rate of a nucleus has been performed. An association of the microphysical effects with deviation of the kinetic equation of nonisothermal nucleation from the Fokker–Planck form has been examined.

Keywords: Nonisothermal nucleation; Latent heat; Drop; Evaporation rate (search for similar items in EconPapers)
Date: 1998
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:252:y:1998:i:1:p:67-84

DOI: 10.1016/S0378-4371(97)00615-8

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