A numerical study of transient natural convection about a corrugated plate embedded in an enclosed porous medium

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Abstract

The problems of transient natural convection from a corrugated plate embedded in an enclosed porous medium is studied numerically. The non-Darcian effects as well as the acceleration terms are taken into consideration in the momentum equation. The governing equations in terms of vorticity, stream function and temperature are expressed in a body-fitted coordinates system, which were solved numerically by the finite difference method. Results are presented in terms of streamlines and isotherms, local and average Nusselt numbers, with Darcy-Rayleigh number ranging from 0 to 1000, and Darcy number from 10 to 10–1 for several aspect ratios of the cavity and plate positions. The flow and heat transfer characteristics for a corrugated plate and a flat plate and the numerical results solved with four different mathematical models are also compared.

Original languageEnglish
Pages (from-to)629-645
Number of pages17
JournalInternational Journal of Numerical Methods for Heat & Fluid Flow
Volume5
Issue number7
DOIs
Publication statusPublished - 1995 Jul 1

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Computer Science Applications
  • Applied Mathematics

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