Flow of a generalised Newtonian fluid due to a rotating disk

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46 Citations (Scopus)

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
Number of pages9
JournalJournal of Non-Newtonian Fluid Mechanics
Volume221
DOIs
Publication statusPublished - 1 Jul 2015
Externally publishedYes

Keywords

  • Boundary-layer
  • Generalised Newtonian fluid
  • Rotating disk flow
  • Similarity solution

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Applied Mathematics

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