Preliminary experimental results from a linear reciprocating magnetic refrigerator prototype

被引：30
|
作者：
Tagliafico, Luca Antonio [1 ]
Scarpa, Federico [1 ]
Valsuani, Federico [1 ]
Tagliafico, Giulio [2 ]
机构：
[1] Univ Genoa, DIME TEC, Div Thermal Energy & Environm Conditioning, I-16145 Genoa, Italy
[2] Univ Genoa, DCCI, Div Chem & Ind Chem, I-16146 Genoa, Italy
来源：
APPLIED THERMAL ENGINEERING | 2013年 / 52卷 / 02期
关键词：
Magnetic refrigerator; Prototype; Regenerator; Magnetocaloric effect; Curie temperature; ROOM-TEMPERATURE; REGENERATOR; PERFORMANCE; DESIGN;
D O I：
10.1016/j.applthermaleng.2012.12.022
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A linear reciprocating magnetic refrigerator prototype was designed and built with the aid of an industrial partner. The refrigerator is based on the Active Magnetic Regenerative cycle, and exploits two regenerators working in parallel. The active material is Gadolinium in plates, 0.8 mm thick, for a total mass of 0.36 kg. The device is described and results about magnetic field and temperature span measurements are presented. The designed permanent magnet structure, based on an improved cross-type arrangement, generates a maximum magnetic field intensity of 1.55 T in air, over a gap of (13 x 50 x 100) mm(3). The maximum temperature span achieved is 5.0 K, in a free run condition. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：492 / 497
页数：6
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