In the current attempt, we applied a magnetic field to expedite solidification and we also tried to report entropy generation of nanoparticle-enhanced phase change material (NEPCM). Second law analysis should be involved for designing efficient heat storage units. Nanoparticles can be dispersed in pure PCM (water) to enhance conductive heat transfer. Governing equations formulated considering Darcy law for porous terms and single phase model for nanofluid properties are solved by means of the finite element method. Results are depicted as entropy generation components and solid fraction contours. Results reveal that applying a magnetic field has a favorable effect on the discharging rate of solid fraction. The augmentation in Hartmann number corresponds to a lower time for the process of solidification.
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