Unsteady gaseous Poiseuille slip flow in rectangular microchannels

Dennis A. Siginer, F. Talay Akyildiz, Mhamed Boutaous

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1 Citation (Scopus)


Unsteady slip flow of an incompressible gaseous fluid in a rectangular microchannel subject to a sudden time-dependent pressure drop is investigated via the generalized integral transform method. Three novel analytical solutions of the governing partial differential equations corresponding to first- and second-order slip models are derived. These can be used in the experimental determination of the constant slip length for any fluid–solid combination. All unsteady flow patterns asymptotically reach the fully developed state for each problem considered in the present investigation.

Original languageEnglish
Article number286
JournalJournal of the Brazilian Society of Mechanical Sciences and Engineering
Issue number7
Publication statusPublished - Jul 1 2019

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering


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