Publicado 18 números por año
ISSN Imprimir: 1064-2285
ISSN En Línea: 2162-6561
Indexed in
FREE CONVECTION IN RECTANGULAR ENCLOSURES CONTAINING NANOFLUID WITH NANOPARTICLES OF VARIOUS DIAMETERS
SINOPSIS
Free convection heat transfer in rectangular enclosures filled with Al2O3−water nanofluid is investigated numerically, and the effects of suspended nanoparticles of different diameters are considered. The governing equations in terms of primitive variables are discretized numerically using the finite volume method and SIMPLER algorithm. The results were obtained for width range of the Rayleigh number, nanoparticles volume fraction and aspect ratio of cavity. Also nanoparticles with two different diameters, namely 36 nm and 47 nm have been chosen. The obtained results showed that for the square enclosure utilizing the suspended nanoparticles with both considered diameters the rate of heat transfer increased only at Ra = 103 that conduction dominated the heat transfer process, while at other Rayleigh numbers, a deterioration on average Nusselt number was observed.
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Ibrahim Wubshet, Hirpho Mohammed, Finite element analysis of mixed convection flow in a trapezoidal cavity with non-uniform temperature, Heliyon, 7, 1, 2021. Crossref