Flow of a generalised Newtonian fluid due to a rotating disk

Paul Griffiths

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63 Citations (Scopus)
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Abstract

The boundary-layer flow due to a rotating disk is considered for a number of generalised Newtonian fluid models. In the limit of large Reynolds number the flow inside the three-dimensional boundary-layer is determined via a similarity solution. Results for power-law and Bingham plastic fluids agree with previous investigations. We present solutions for fluids that adhere to the Carreau viscosity model. It is well known that unlike the power-law and Bingham models the Carreau model is applicable for vanishingly small, and infinitely large shear rates, as such we suggest these results provide a more accurate description of non-Newtonian rotating disk flow.
Original languageEnglish
Pages (from-to)9-17
JournalJournal of Non-Newtonian Fluid Mechanics
Volume221
Early online date3 Apr 2015
DOIs
Publication statusPublished - Jul 2015

Keywords

  • Rotating disk flow
  • generalised newton fluid
  • similarity solution
  • boundary-layer

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