Modelling laminar pulsed flow for the enhancement of cleaning

Matthew Celnik, Milan Patel, Mridula Pore, David Scott, D. Ian Wilson

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


A Green function method is presented which enables computation of laminar flow of an incompressible Newtonian fluid in circular and annular pipes, subject to an arbitrary forcing periodic pressure gradient, in terms of Bessel functions. The response to a step change in pressure gradient in an annular pipe is presented. The method allows direct calculation of wall shear stress and flow rates generated by pulsed flows, which are of interest in fouling mitigation and cleaning-in-place systems.
Original languageEnglish
Pages (from-to)2079-2084
JournalChemical Engineering Science
Issue number6
Publication statusPublished - 2006
Externally publishedYes


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