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chapensk  

Estimation of Gas Properties from the Lennard-Jones Potential
View on CRAN: Click here


Download and install chapensk package within the R console
Install from CRAN:
install.packages("chapensk")

Install from Github:
library("remotes")
install_github("cran/chapensk")

Install by package version:
library("remotes")
install_version("chapensk", "0.4")



Attach the package and use:
library("chapensk")
Maintained by
Stefan Langenberg
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2025-07-29
Latest Update: 2025-07-29
Description:
Estimation of gas transport properties (viscosity, diffusion, thermal conductivity) using Chapman-Enskok theory (Chapman and Larmor 1918, <doi:10.1098/rsta.1918.0005>) and of the second virial coefficient (Vargas et al. 2001, <doi:10.1016/s0378-4371(00)00362-9>) using the Lennard-Jones (12-6) potential. Up to the third order correction is taken into account for viscosity and thermal conductivity. It is also possible to calculate the binary diffusion coefficients of polar and non-polar gases in non-polar bath gases (Brown et al. 2011, <doi:10.1016/j.pecs.2010.12.001>). 16 collision integrals are calculated with four digit accuracy over the reduced temperature range [0.3, 400] using an interpolation function of Kim and Monroe (2014, <doi:10.1016/j.jcp.2014.05.018>).
How to cite:
Stefan Langenberg (2025). chapensk: Estimation of Gas Properties from the Lennard-Jones Potential. R package version 0.4, https://cran.r-project.org/web/packages/chapensk. Accessed 21 Aug. 2026.
Previous versions and publish date:
(2026-07-09 07:25), 0.4 (2025-07-29 15:50)
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