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Peristaltic transport in a slip flow

  • W. Kwang-Hua Chu
  • J. Fang
Article

Abstract.

Continuum-mechanic derivation of the entrainment of rarefied gases induced by a surface wave along walls (or peristaltic transport) in a confined parallel-plane microchannel is conducted by the perturbation method. Both no-slip and slip flow cases are investigated with the former ones matched with the previous approach by Fung and Yih. Critical reflux values due to first order slip-flow effects become trivial for the free pumping case, and decrease due to second order slip-flow effects after we compared them with no-slip cases.

PACS. 05.60.-k Transport processes: theory - 47.45.-n Rarefied gas dynamics 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2000

Authors and Affiliations

  • W. Kwang-Hua Chu
    • 1
  • J. Fang
    • 1
  1. 1.Department of Mechanics and Engineering SciencePeking UniversityBeijing China

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