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Journal of Enhanced Heat Transfer
インパクトファクター: 0.562 5年インパクトファクター: 0.605 SJR: 0.175 SNIP: 0.361 CiteScore™: 0.33

ISSN 印刷: 1065-5131
ISSN オンライン: 1026-5511

Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v4.i1.30
pages 17-34

Natural Convection Heat Transfer from A Vertical Flat Plate with Phase Change Material Suspensions

Miloud Harhira
Department of Mechanical Engineering, University of Miami, Coral Gables, FL33124
Sanjai K. Roy
Department of Mechanical Engineering, University of Miami, Coral Gables, FL33124
Subrata Sengupta
Department of Mechanical Engineering, University of Mochigan-Dearborn, Evergreen road, Dearborn, Michigan, USA − 48128

要約

A numerical model has been developed for laminar natural convection heat transfer from an isothermal vertical flat plate with a phase change material suspension as the heat transfer medium. Results show that the use of phase change material suspensions can increase the Nusselt number by as much as 8 times compared to a single phase fluid. The dominant parameters affecting the heat transfer are found to be the Prandtl number, the Rayleigh number, the volumetric concentration of the phase change material, the plate length to particle radius ratio and the bulk Stefan number. Other parameters, the particle to fluid thermal conductivity ratio, the Archimedes number, the Schmidt number and the buoyancy ratio do not have a significant effect on the heat transfer.


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