Efficient approximation of the cluster size distribution in binary condensation

D.S. van Putten, R.S.R. Sidin, Rob Hagmeijer

    Research output: Contribution to journalArticleAcademicpeer-review

    8 Citations (Scopus)


    We propose a computationally efficient method for the calculation of the binary cluster size distribution. This method is based on the phase path analysis algorithm, which was originally derived for single-component condensation. We extend this method by constructing the binary general dynamic equation, which introduces clusters at a point in two component n1, n2 -space. The location of this source point is determined by the Gibbs free energy of formation and the impingement rates of the two constituents. The resulting model describes the binary cluster size distribution along a line in n1, n2 -space. The solution of the binary general dynamic equation is compared with the solution of formally exact binary Becker-Döring equations for a typical nucleation pulse experiment. The results show good agreement for the cluster composition and size and the integral properties of the size distribution.
    Original languageEnglish
    Article number184511
    Pages (from-to)1-9
    Number of pages9
    JournalThe Journal of chemical physics
    Issue number18
    Publication statusPublished - 2010


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