Lubrication approximation for microparticles moving along parallel walls

Maria L. Ekiel-Jezewska, Eligiusz Wajnryb, Jerzy Bławzdziewicz, Fraņois Feuillebois

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Lubrication expressions for the friction coefficients of a spherical particle moving in a fluid between and along two parallel solid walls are explicitly evaluated in the low-Reynolds-number regime. They are used to determine lubrication expression for the particle free motion under an ambient Poiseuille flow. The range of validity and the accuracy of the lubrication approximation are determined by comparing with the corresponding results of the accurate multipole procedure. The results are applicable for thin, wide, and long microchannels, or quasi-two-dimensional systems.

Original languageEnglish
Article number181102
JournalJournal of Chemical Physics
Volume129
Issue number18
DOIs
StatePublished - 2008

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