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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

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  • Shankland, Ian R.
  • Dunlop, Peter J.

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.

Suggested Citation

  • Shankland, Ian R. & Dunlop, Peter J., 1980. "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," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 100(1), pages 64-84.
    • Handle: RePEc:eee:phsmap:v:100:y:1980:i:1:p:64-84
    DOI: 10.1016/0378-4371(80)90150-8
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    References listed on IDEAS

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    1. Codastefano, P. & Ricci, M.A. & Zanza, V., 1978. "Behaviour of the self-diffusion coefficient of Kr at low densities," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 92(1), pages 315-322.
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    3. Khoury, F.M. & Kobayashi, R., 1975. "Dense-gas diffusion coefficients in the methane-carbon tetrafluoride system by pulsed nuclear magnetic resonance," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 80(1), pages 1-24.
    4. Ricci, Ferdinand J., 1973. "Systems analysis applied to a hybrid computer simulation of a missile reentering the atmosphere," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 15(4), pages 168-174.
    5. Tetsuo Kobayashi, 1962. "Die Betrachtungsweise der neueren betriebswirtschaftlichen Kostentheorie -Auffassung des Ertragsgesetzes-," Kobe Economic & Business Review, Research Institute for Economics & Business Administration, Kobe University, vol. 9, pages 117-128.
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