Journal of Statistical Physics

, Volume 44, Issue 5–6, pp 865–878 | Cite as

On Knudsen flows within thin tubes

  • Hans Babovsky
Articles

Abstract

The dynamics of a test particle in an infinite tube is investigated. It is proven that the evolution tends to that of a diffusion process as the radius of the tube decreases to zero. This justifies the hypotheses underlying an experiment of Clausing (1930).

Key words

Knudsen flow infinite tube diffusion approximation 

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Copyright information

© Plenum Publishing Corporation 1986

Authors and Affiliations

  • Hans Babovsky
    • 1
  1. 1.Department of MathematicsUniversity of KaiserslauternKaiserslautern

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