Interdiffusion coefficients in actual gaseous systems

Interdiffusion coefficients of ten gaseous pairs have been measured as functions of pressure at different temperatures. The measurements were performed by the two-bulb and stationary flow methods. The data obtained have been compared to the results of calculation from the formulas of rigorous and elementary kinetic theories. It has been shown that calculation from the formula obtained within the framework of the elementary kinetic theory is consistent with experiment within the experimental error.

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Correspondence to A. F. Bogatyrev.

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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 85, No. 5, pp. 1110–1116, September–October, 2012.

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Bogatyrev, A.F., Nezovitina, M.A. Interdiffusion coefficients in actual gaseous systems. J Eng Phys Thermophy 85, 1208–1214 (2012).

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  • gases
  • interdiffusion coefficient
  • experiment
  • molecular-kinetic theory