Magnetocaloric materials and the optimization of cooling power density

被引：59

作者：

Wikus, Patrick ^{[1
]}

Canavan, Edgar ^{[2
]}

Heine, Sarah Trowbridge ^{[1
]}

Matsumoto, Koichi ^{[3
]}

Numazawa, Takenori ^{[4
]}

机构：

[1] MIT, Cambridge, MA 02139 USA

[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[3] Kanazawa Univ, Dept Phys, Kanazawa, Ishikawa 9201192, Japan

[4] Natl Res Inst Met, Tsukuba, Ibaraki 305, Japan

来源：

CRYOGENICS | 2014年 / 62卷

关键词：

Magnetocaloric material; Entropy; ADR; Cooling power density; CERIUM MAGNESIUM-NITRATE; 4.2 DEGREES K; MAGNETIC REFRIGERATION; GALLIUM GARNET; HEAT-CAPACITY; LIQUID-HELIUM; TEMPERATURE; MAGNETOTHERMODYNAMICS; ENTROPY; HO;

D O I：

10.1016/j.cryogenics.2014.04.005

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The magnetocaloric effect is the thermal response of a material to an external magnetic field. This manuscript focuses on the physics and the properties of materials which are commonly used for magnetic refrigeration at cryogenic temperatures. After a brief overview of the magnetocaloric effect and associated thermodynamics, typical requirements on refrigerants are discussed from a standpoint of cooling power density optimization. Finally, a compilation of the most important properties of several common magnetocaloric materials is presented. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：150 / 162

页数：13

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