Pressure dependence of the mutual diffusion coefficients of the binary systems N2 + Ar, N2 + O2, O2 + Ar and Ar + Kr at 300 and 323 K

Ian R. Shankland and Peter J. Dunlop

Physica A: Statistical Mechanics and its Applications, 1980, vol. 100, issue 1, 64-84

Abstract: The Loschmidt technique has been used to measure the pressure dependence at two temperatures of the binary diffusion coefficients of the systems N2-Ar, N2-O2, O2-Ar and Ar-Kr; gas mixtures were analysed with a mass spectrometer. The results for the first three systems indicate that the first term of the Thorne-Enskog theory for moderately dense gases is not adequate to describe binary diffusion in these systems. Because the quantity (nD12) is a linear function of the number density in all cases, higher order terms need not be considered.

Date: 1980
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:100:y:1980:i:1:p:64-84

DOI: 10.1016/0378-4371(80)90150-8

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