Effect of baffle-cavity ratios on buoyancy convection in a cavity with mutually orthogonal heated baffles

P. Kandaswamy, Jinho Lee, A. K. Abdul Hakeem, S. Saravanan

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40 Citations (Scopus)

Abstract

Buoyancy driven convection in a square cavity induced by two mutually orthogonal and arbitrarily located baffles is studied numerically. The baffles are of different sizes and the flow is two-dimensional. The coupled governing equations were solved by finite difference method using Alternating Direction Implicit technique and Successive Over-Relaxation method. The steady state results are presented in the form of streamline and isotherm plots. It is found that buoyancy force plays a key role and overall heat transfer in the cavity is enhanced for higher values of both baffle-cavity ratios. Flow inhibition emerges as a deciding factor and diminishes heat transfer when the horizontal baffle is located above the center of the cavity.

Original languageEnglish
Pages (from-to)1830-1837
Number of pages8
JournalInternational Journal of Heat and Mass Transfer
Volume51
Issue number7-8
DOIs
Publication statusPublished - 2008 Apr 1

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All Science Journal Classification (ASJC) codes

  • Fluid Flow and Transfer Processes
  • Energy(all)
  • Mechanical Engineering

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