Transient analysis of electroosmotic flow in a slit microchannel

Chun Yang, Chee Beng Ng, Vincent Chan

Research output: Contribution to journalArticlepeer-review

75 Scopus citations


The transient aspects of electroosmotic flow in a slit microchannel are studied. Exact solutions for the electrical potential profile and the transient electroosmotic flow field are obtained by solving the complete Poisson-Boltzmann equation and the Navier-Stokes equation under an analytical approximation for the hyperbolic sine function. The characteristics of the transient electroosmotic flow are discussed under influences of the electric double layer and the geometric size of the microchannel.

Original languageBritish English
Pages (from-to)524-527
Number of pages4
JournalJournal of Colloid and Interface Science
Issue number2
StatePublished - 2002


  • Electroosmosis
  • Green's function approach
  • Poisson-Boltzmann equation
  • Transient flow in microchannels


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