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Proceedings of CHT-15. 6th International Symposium on ADVANCES IN COMPUTATIONAL HEAT TRANSFER
May, 25-29, 2015, Rutgers University, New Brunswick, NJ, USA

DOI: 10.1615/ICHMT.2015.IntSympAdvComputHeatTransf


ISBN Print: 978-1-56700-429-8

ISSN: 2578-5486

EFFECT OF A DIATHERMAL PARTITION WALL ON NATURAL CONVECTION IN A SPHERICAL POROUS ANNULUS

pages 866-874
DOI: 10.1615/ICHMT.2015.IntSympAdvComputHeatTransf.740
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ABSTRAKT

The present paper reports results of numerical investigation of natural convection in a spherical annulus filled with fluid saturated porous medium. A diathermal wall of infinitesimally thickness is inserted along the arc length in the spherical porous annulus. Due to the diathermal wall, the sub layers are thermally coupled, but the partition is impermeable, which allows imposing different stream flows in the sub layers. The average Nusselt number decreases with insertion of partition. The decrease in value of average Nusselt number depends on the position of diathermal wall.

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