Flow field and particle attachment in a straight pipe with a symmetric cavity

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Author(s)

Detail(s)

Original languageEnglish
Pages (from-to)177-182
Journal / PublicationJournal of the Chinese Institute of Chemical Engineers
Volume32
Issue number2
Publication statusPublished - Mar 2001
Externally publishedYes

Abstract

This paper investigated numerically the fluid flow field over a symmetric cavity in a straight pipe, as well as the frequency distribution of particle deposition on the pipe wall. The cavity flow was much weaker than that in the bulk stream, and exhibited one or several circulation zones. When considering no particle detachment, the existence of a cavity has little effect on the attached particle number distribution. However, if particle detachment is taken into account, the cavity could collect much more particles than the remaining wall regime did, which would lead to a negative impact on drinking water quality.

Research Area(s)

  • Drinking water, Numerical, Particle deposition, Symmetric cavity

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