Natural conwection of non-newtonian fluids about a horizontal surface in a porous medium

Han-Taw Chen, C. K. Chen

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Abstract

The problem of natural convection of a non-Newtonian power-law fluid about a horizontal impermeable surface in the porous medium is considered, where the plate is assumed with a nonuniform heat flux distribution. The present study is based on the boundary layer approximation and only suitable for a high Rayleigh number. Similarity solutions are obtained by using the fourth-order Runge-Kutta method and the Nachtsheim-Swigert iteration scheme. The effects of the nonuniform wall heat flux qw(x) and the new power-law index n on the heat transfer characteristics are discussed.

Original languageEnglish
Pages (from-to)119-123
Number of pages5
JournalJournal of Energy Resources Technology, Transactions of the ASME
Volume109
Issue number3
DOIs
Publication statusPublished - 1987 Jan 1

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All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Mechanical Engineering
  • Geochemistry and Petrology

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