A semiphenomenological droplet model of homogeneous nucleation from the vapor phase
Date
1993
Authors
Delale, C.F.
Meier G.E.A.
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Abstract
A semiphenomenological droplet model, which corrects for the macroscopic surface tension and monomer-monomer interactions from real gas behavior (second virial coefficient) and for the correlation between the mean surface area of a cluster and the number of molecules constituting the cluster over all ranges of temperature below the critical point, is proposed by modifying Fisher's droplet theory of condensation. A steady-state nucleation rate equation is derived and compared with expansion and diffusion cloud chamber data for a variety of substances. An overall good agreement is achieved for the range of temperatures investigated in contrast to comparison with the classical nucleation rate equation. © 1993 American Institute of Physics.
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The Journal of Chemical Physics
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English