On the flow of a class of viscoinelastic-viscoplastic fluids in tubes of non-circular contour

Mario F. Letelier, Dennis A. Siginer

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Abstract

A unified analysis based on natural coordinates is presented for a class of viscoinelastic-viscoplastic fluids for the case of nearly viscometric flows driven by steady pressure gradients in straight ducts of arbitrary cross-sectional contour. General relationships which give phenomenological insight and which yield qualitative information, and some quantitative information as well, concerning the velocity and shear-stress fields of the family of fluids considered in this paper are derived for the case of flow in tubes of non-circular contour, and several applications are discussed.

Original languageEnglish
Pages (from-to)873-881
Number of pages9
JournalInternational Journal of Engineering Science
Volume45
Issue number11
DOIs
Publication statusPublished - Nov 1 2007

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All Science Journal Classification (ASJC) codes

  • Engineering(all)

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