Effect of cycle frequency of a reciprocating magnetic refrigerator prototype on the temperature span and cooling capacity
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Publication Details
Author list: Keawkamrop T., Wongwises S.
Publisher: MDPI
Publication year: 2019
Journal: Molecules (1420-3049)
Volume number: 27
Issue number: 1
ISSN: 1420-3049
eISSN: 1420-3049
Languages: English-Great Britain (EN-GB)
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Abstract
This paper examines the time independent and incompressible flow of magnetohydrodynamic (MHD) nanofluid through a porous rotating disc with velocity slip conditions. The mass and heat transmission with viscous dissipation is scrutinized. The proposed partial differential equations (PDEs) are converted to ordinary differential equation (ODEs) by mean of similarity variables. Analytical and numerical approaches are applied to examine the modeled problem and compared each other, which verify the validation of both approaches. The variation in the nanofluid flow due to physical parameters is revealed through graphs. It is witnessed that the fluid velocities decrease with the escalation in magnetic, velocity slip, and porosity parameters. The fluid temperature escalates with heightening in the Prandtl number, while other parameters have opposite impacts. The fluid concentration augments with the intensification in the thermophoresis parameter. The validity of the proposed model is presented through Tables. ฉ 2020 by the authors.
Keywords
HAM, MHD, porous medium, Rotating disk, Shooting, Slip effect, Viscous dissipation
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