Performance of a room-temperature rotary magnetic refrigerator

被引：83
|
作者：
Okamura, Tetsuji
Yamada, Kazuhiko
Hirano, Naoki
Nagaya, Shigeo
机构：
[1] Tokyo Inst Technol, Dept Energy Sci, Midori Ku, Yokohama, Kanagawa 2268502, Japan
[2] Chubu Elect Power Co Inc, Elect Power Res & Dev Ctr, Midori Ku, Nagoya, Aichi 4598522, Japan
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2006年 / 29卷 / 08期
关键词：
magnetic refrigerator; design; experiment; working fluid; alloy; gadolinium; COP;
D O I：
10.1016/j.ijrefrig.2006.07.020
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
We have designed and operated a rotating-magnet type AMR (active magnetic regeneration) refrigerator that uses water as a heat transfer fluid. Four kinds of gadolinium-based alloy are used as magnetic materials. A magnetic field of 0.77 T is applied by neodymium permanent magnets. The refrigerator produces a maximum cooling power of 60 W around 10 degrees C. An optimal time for one cycle exists, and it depends on the water flow rate and the frequency of magnetization and demagnetization. Enhancement of the water flow rate and the frequency is known to be essential for increasing the cooling power of this refrigerator. (c) 2006 Elsevier Ltd and IIR. All rights reserved.
引用
收藏
页码：1327 / 1331
页数：5
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