FEMCE – A 3D finite element simulation tool for magnetic refrigerants

被引：0
|
作者：
Kiefe, R. [1 ]
Amaral, J.S. [1 ]
机构：
[1] Department of Physics and CICECO – Aveiro Institsute of Materials, Aveiro,3810-193, Portugal
来源：
International Journal of Refrigeration | 2025年 / 173卷
关键词：
Demagnetization; -; Magnetostatics;
D O I：
10.1016/j.ijrefrig.2025.02.017
中图分类号：
学科分类号：
摘要：
A critical challenge for magnetic refrigeration is designing shape-optimized refrigerants. When applying a magnetic field to the refrigerant, its magnetocaloric effect (MCE) heterogeneity is directly related to the demagnetizing field (a geometric phenomenon). Striking a balance between the total mass/volume of refrigerant, and its effective performance at a given temperature and applied magnetic field is a complex non-linear magnetostatics problem. We present a tool for estimating both the spatially-resolved and effective MCE for any refrigerant design, via the 3D finite element method - Finite Element Magnetocaloric Effect (FEMCE). FEMCE allows the user to input complex refrigerant shapes, together with the thermophysical properties of the material, to estimate and optimize its refrigerant performance for a given temperature and applied magnetic field change. The tool can be readily employed for both the conventional and demagnetizing-field induced MCE. © 2025
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页码：180 / 184
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