Simulation of natural convection heat transfer in an enclosure by the lattice-Boltzmann method

M. A. Mussa, Shahrir Abdullah, C. S. Nor Azwadi, Norhamidi Muhamad

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

This paper presents the simulation of natural heat convection in an enclosure using Cubic-Interpolated-Pseudo-Particle (CIP) lattice-Boltzmann method. A D2Q9 lattice model was coupled with the simplest D2Q4 lattice model to represent density and internal energy distribution function, respectively. The effects of the Rayleigh number on the flow pattern were studied. The enclosure is filled with air heated by a small localized source of heat at two different positions on the bottom wall. The results explain the mechanism of natural convection rate increasing due to the Rayleigh number and heat source position changing. The comparison of the results was in excellent agreement with results from the literature.

Original languageEnglish
Pages (from-to)162-168
Number of pages7
JournalComputers and Fluids
Volume44
Issue number1
DOIs
Publication statusPublished - May 2011

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Enclosures
Natural convection
Heat transfer
Heat convection
Flow patterns
Distribution functions
Air
Hot Temperature

Keywords

  • Bhatnagar-Gross-Crook (BGK) collision model
  • CFD
  • CIP
  • Distribution function
  • Lattice Boltzmann
  • Microscopic dynamic

ASJC Scopus subject areas

  • Computer Science(all)
  • Engineering(all)

Cite this

Simulation of natural convection heat transfer in an enclosure by the lattice-Boltzmann method. / Mussa, M. A.; Abdullah, Shahrir; Nor Azwadi, C. S.; Muhamad, Norhamidi.

In: Computers and Fluids, Vol. 44, No. 1, 05.2011, p. 162-168.

Research output: Contribution to journalArticle

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