Effect of Inclined Magnetic Field on the Entropy Generation in an Annulus Filled with NEPCM Suspension

The encapsulation technique of phase change materials in the nanodimension is an innovative approach to improve the heat transfer capability and solve the issues of corrosion during the melting process. This new type of nanoparticle is suspended in base fluids call NEPCMs, nanoencapsulated phase cha...

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Published in:Mathematical problems in engineering 2021, Vol.2021, p.1-14
Main Authors: Seyyedi, Seyyed Masoud, Hashemi-Tilehnoee, M., Sharifpur, M.
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Energy storage
Engineering
Entropy
Finite element analysis
Free convection
Fusion temperature
Heat transfer
Industrial applications
Magnetic fields
Melting
Nanoparticles
Phase change materials
Rayleigh number
Thermal energy
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Hashemi-Tilehnoee, M.
Sharifpur, M.
description The encapsulation technique of phase change materials in the nanodimension is an innovative approach to improve the heat transfer capability and solve the issues of corrosion during the melting process. This new type of nanoparticle is suspended in base fluids call NEPCMs, nanoencapsulated phase change materials. The goal of this work is to analyze the impacts of pertinent parameters on the free convection and entropy generation in an elliptical-shaped enclosure filled with NEPCMs by considering the effect of an inclined magnetic field. To reach the goal, the governing equations (energy, momentum, and mass conservation) are solved numerically by CVFEM. Currently, to overcome the low heat transfer problem of phase change material, the NEPCM suspension is used for industrial applications. Validation of results shows that they are acceptable. The results reveal that the values of Nuave descend with ascending Ha while Ngen has a maximum at Ha=16. Also, the value of NT,MF increases with ascending Ha. The values of Nuave and Ngen depend on nondimensional fusion temperature where good performance is seen in the range of 0.35
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subjects Computational fluid dynamics
Energy storage
Engineering
Entropy
Finite element analysis
Free convection
Fusion temperature
Heat transfer
Industrial applications
Magnetic fields
Melting
Nanoparticles
Phase change materials
Rayleigh number
Thermal energy
title Effect of Inclined Magnetic Field on the Entropy Generation in an Annulus Filled with NEPCM Suspension
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