Peristaltic transport in a slip flow |
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Authors: | W Kwang-Hua Chu J Fang |
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Institution: | (1) Department of Mechanics and Engineering Science, Peking University, Haidian District, Beijing 100871, PR China, CN |
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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.
Received 27 August 1999 and Received in final form 10 January 2000 |
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Keywords: | PACS 05 60 -k Transport processes: theory - 47 45 -n Rarefied gas dynamics |
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