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EFFECT OF AN OBSTRUCTION ON NATURAL CONVECTION HEAT TRANSFER IN VERTICAL CHANNELS—A FINITE ELEMENT ANALYSIS

R.K. SAHOO (Department of Mechanical Engineering, Indian Institute of Technology, Madras 600 036, India)
A. SARKAR (Department of Mechanical Engineering, Indian Institute of Technology, Madras 600 036, India Department of Mechanical Engineering, Jadavpur University, Calcutta 700032, Indi)
V.M.K. SASTRI (Department of Mechanical Engineering, Indian Institute of Technology, Madras 600 036, India)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Article publication date: 1 March 1993

56

Abstract

The effect of a rectangular obstruction of different sizes on natural convection heat transfer in the case of a vertical channel has been analysed for T boundary conditions on the walls. A comparison of the Nusselt number values with those for plane channel is presented. For smaller obstruction depths and for asymmetric heating, there is not much variation of the results from a case of channel with a baffle for asymmetric heating. For large obstruction depths, the flow conditions show a behaviour similar to that of a channel with a backward‐facing step.

Keywords

Citation

SAHOO, R.K., SARKAR, A. and SASTRI, V.M.K. (1993), "EFFECT OF AN OBSTRUCTION ON NATURAL CONVECTION HEAT TRANSFER IN VERTICAL CHANNELS—A FINITE ELEMENT ANALYSIS", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 3 No. 3, pp. 267-276. https://doi.org/10.1108/eb017531

Publisher

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MCB UP Ltd

Copyright © 1993, MCB UP Limited

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