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The microphysical effects in nonisothermal nucleation

Author

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  • Kuni, F.M
  • Grinin, A.P
  • Shchekin, A.K

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.

Suggested Citation

  • Kuni, F.M & Grinin, A.P & Shchekin, A.K, 1998. "The microphysical effects in nonisothermal nucleation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 252(1), pages 67-84.
    • Handle: RePEc:eee:phsmap:v:252:y:1998:i:1:p:67-84
    DOI: 10.1016/S0378-4371(97)00615-8
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    Cited by:

    1. Djikaev, Yuri S. & Ruckenstein, Eli & Swihart, Mark, 2022. "On the Fokker–Planck approximation in the kinetic equation of multicomponent classical nucleation theory," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 585(C).

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