Experimental investigation of a three-material layered active magnetic regenerator

被引：124
|
作者：
Rowe, A. [1 ]
Tura, A. [1 ]
机构：
[1] Univ Victoria, Dept Mech Engn, Victoria, BC V8W 3P6, Canada
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2006年 / 29卷 / 08期
基金：
加拿大自然科学与工程研究理事会;
关键词：
magnetic refrigerator; experiment; magnetism; material; parameter; temperature; frequency;
D O I：
10.1016/j.ijrefrig.2006.07.012
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This work reports on experimental studies using an active magnetic regenerative test apparatus (AMRTA) in near room-temperature refrigeration cycles. Experiments using regenerator beds composed of three different magnetocaloric materials combined in a layered configuration with applied fields of 2 T have produced no-load temperature spans in excess of 50 K. The test apparatus uses two active magnetic regenerators each containing approximately 135 g of refrigerant. An overview of the test apparatus, operating parameters, and performance is described. The impacts of operation at varying heat rejection temperatures, applied fields of 1.5 T and frequencies between 0.65 and 1.0 Hz are presented. In addition, the impacts of operating pressure and applied load on temperature spans are discussed. (c) 2006 Elsevier Ltd and IIR. All rights reserved.
引用
收藏
页码：1286 / 1293
页数：8
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