Collision integrals within the Chapman–Enskog theory for a generalized Lennard-Jones potential

J Joseph R. Perko (Advanced Computing, Mathematics and Data Division, Pacific Northwest National Laboratory 1 , 902 Battelle Boulevard, P.O. Box 999, MS J7-10, Richland, Washington 99352,) S Sotiris S. Xantheas (Department of Chemistry)

Abstract

We report the values of the collision integrals, needed for the calculation of the macroscopic transport properties such as viscosity (η) and diffusion coefficient (D) of gases within the Chapman–Enskog kinetic gas theory, for a generalized Lennard-Jones potential (gLJ), a more general potential with an adjustable long range 1/r dependence that can describe a wide range of intermolecular interactions.

Article Details

Volume / Issue Vol. 162, Issue 3
Published January 21, 2025
ISSN 0021-9606
Publisher American Institute of Physics

Journal Info

The Journal of Chemical Physics

American Institute of Physics

ISSN: 0021-9606 Physical Sciences

Authors (2)

J

Joseph R. Perko

Advanced Computing, Mathematics and Data Division, Pacific Northwest National Laboratory 1 , 902 Battelle Boulevard, P.O. Box 999, MS J7-10, Richland, Washington 99352,

S

Sotiris S. Xantheas

Department of Chemistry