Abstract
A steady-state solution is found for the distributions of concentration, pressure, and mass-average velocity along a capillary joining two gas-filled volumes with and without an account of diffusive “slip.” Despite the mass-average motion, experimental data can be analyzed on the basis of the ordinary Fick's law. The experimental results are compared with equations for the mutual-diffusion coefficient given by the rigorous Chapman-Enskog kinetic theory.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii Fizika, No. 1, pp. 113–118, January, 1970.
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Suetin, P.E., Ivakin, B.A. Experimental determination of mutual-diffusion coefficients in gases. Soviet Physics Journal 13, 90–94 (1970). https://doi.org/10.1007/BF00817230
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DOI: https://doi.org/10.1007/BF00817230