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Thermomolecular pressure difference at low knudsen numbers

Abstract

The experimental dependence of the thermomolecular pressure difference on the average pressure is found for He, Ne, H2, and D2 in the viscous-flow regime (Kn−1=100–500). The experimental data are compared with analytic expressions in the literature.

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Literature cited

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Additional information

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 25, No. 3, pp. 456–459, September, 1973.

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Borisov, S.F., Kulev, A.N., Porodnov, B.T. et al. Thermomolecular pressure difference at low knudsen numbers. Journal of Engineering Physics 25, 1131–1133 (1973). https://doi.org/10.1007/BF00838141

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Keywords

  • Experimental Data
  • Statistical Physic
  • Pressure Difference
  • Average Pressure
  • Experimental Dependence