Chemical Physics, ( ISI ), Year (2006-3)

Title : Prediction of surface tension of HFD-like fluids using the Fowler's approximation ( Prediction of surface tension of HFD-like fluids using the Fowler s approximation )

Authors: Elaheh Kafshdare Goharshadi , Mohsen Abbaspour ,

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The Fowler’s expression for calculation of the reduced surface tension has been used for simple fluids using the Hartree-Fock Dispersion (HFD)-like potential (HFD-like fluids) obtained from the inversion of the viscosity collision integrals at zero pressure. In order to obtain the RDFs values needed for calculation of the surface tension, we have performed the MD simulation at different temperatures and densities and then fitted with an expression and compared the resulting RDFs with the experiment. Our results are in excellent accordance with experimental values when the vapor density has been considered, especially at high temperatures. We have also calculated the surface tension using a RDF’s expression based on the Lennard–Jones (LJ) potential which was in good agreement with the molecular dynamics simulations. In this work, we have shown that our results based on HFD-like potential can describe the temperature dependence of the surface tension superior than that of LJ potential.

Keywords

, Fowler’s approximation; Surface tension; HFD, like fluids; RDF; MD
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@article{paperid:202487,
author = {Kafshdare Goharshadi, Elaheh and Abbaspour, Mohsen},
title = {Prediction of surface tension of HFD-like fluids using the Fowler's approximation},
journal = {Chemical Physics},
year = {2006},
month = {March},
issn = {0301-0104},
keywords = {Fowler’s approximation; Surface tension; HFD-like fluids; RDF; MD simulation},
}

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%0 Journal Article
%T Prediction of surface tension of HFD-like fluids using the Fowler's approximation
%A Kafshdare Goharshadi, Elaheh
%A Abbaspour, Mohsen
%J Chemical Physics
%@ 0301-0104
%D 2006

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