Further property of Lennard–Jones fluid: Thermal conductivity

M.M. Papari, R. Khordad and Z. Akbari

Physica A: Statistical Mechanics and its Applications, 2009, vol. 388, issue 5, 585-592

Abstract: In this paper, we calculate the thermal conductivity of noble gases, methane, and three noble gas mixtures including He+Kr, He+Xe, and Kr+Xe assuming they obey Lennard–Jones (LJ) (12–6) model potential. One of the required quantities to calculate the thermal conductivity of these systems is the pair correlation function. Therefore, we solve numerically the Ornstein–Zernike (OZ) integral equation using the mean spherical approximation (MSA) to obtain the pair correlation functions. We use these functions to obtain the thermal conductivity, then compare our results with the available data. According to the results obtained from the present work for pure and mixtures of LJ fluids reveals that the integral equations method is suitable for predicting the thermal conductivity of this class of fluid.

Keywords: Thermal conductivity; Lennard–Jones fluid; Ornstein–Zernike (OZ) integral equation; Mean spherical approximation (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:388:y:2009:i:5:p:585-592

DOI: 10.1016/j.physa.2008.11.003

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