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Further thoughts on convective heat transport in a variable-viscosity fluid

  • John R. Booker (a1) and Karl C. Stengel (a1)
  • DOI:
  • Published online: 01 April 2006

In a previous paper (Booker 1976) we found experimentally that the convective heat transport in a fluid with temperature-dependent viscosity decreased significantly as the ratio of the viscosities at the top and bottom boundaries increased. In this note, we show that this decrease in heat transport can be entirely accounted for by an increase in the critical Rayleigh number with variable viscosity.

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Journal of Fluid Mechanics
  • ISSN: 0022-1120
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