article · Physica Scripta
Abstract One of the most significant scientific difficulties to achieving excellent performance for room-temperature magnetic cooling devices is finding suitable magnetocaloric refrigerants. To contribute to this research field, three kinds of magnetocaloric materials (Gd, Pr 0.65 Sr 0 . 35 MnO 3 and single LaFeCoSi) in the same conditions (Curie temperature, applied magnetic field) have been considered to evaluate their potential in the magnetic refrigeration application using a 1D-AMRR (Active-Magnetic-Refrigeration-Regenerator) cycle with a parallel plate regenerator. In this way, four cooling performance parameters were investigated, namely the temperature span, the cooling power, the exergy, and the coefficient of performance. The temperature span was found to be 11.79 K for Gd , 8 K for LaFeCoSi and 4.47 K for Pr 0.65 Sr 0.35 MnO 3 . The obtained numerical results reveal that the Gd-based AMR system displays a higher efficiency, while the Pr 0.65 Sr 0 . 35 MnO 3 -based AMR system exhibits a smaller one. The magnetocaloric effect (MCE) in the magnetic refrigerants was considered to explain the result obtained and can be considered as one of the main factors to enhance the magnetic refrigeration performance.
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DOI: 10.1088/1402-4896/ad8d14
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