Numerical analysis of combined radiation and unsteady natural convection within a horizontal annular space-Reference-Cited by-同舟云学术

Numerical analysis of combined radiation and unsteady natural convection within a horizontal annular space

Published:1999-11-01 Issue:7 Volume:9 Page:742-764
ISSN:0961-5539
Container-title:International Journal of Numerical Methods for Heat & Fluid Flow
language:en
Short-container-title:

Author:

Naceur Borjini Mohamed,Mbow Cheikh,Daguenet Michel

Abstract

The effect of radiation on unsteady natural convection in a two‐dimensional participating medium between two horizontal concentric and vertically eccentric cylinders is investigated numerically. The equations of transfer are written by using a bicylindrical coordinates system, the stream function, and the vorticity. The finite volume radiation solution method and the control volume approach are used to discretize the coupled equations of radiative transfer, momentum, and energy. Original results are obtained for three eccentricities, Rayleigh number equal to 104, 105, and a wide range of radiation‐conduction parameter. The effects of optical thickness, wall emissivity, and scattering on flow intensity and heat transfer are discussed.

Publisher

Emerald

Subject

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

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