412 直接空気冷却を目的とした室温磁気冷凍システムに関する基礎研究(エネルギー有効利用,環境保全型エネルギー技術分野)

概要

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The purpose of this study is to understand the optimum operating condition of magnetic refrigerator at room temperature for direct air-cooling. The basic components of the target system are a magnetic circuit including two permanent magnets, a test section, an air blower, and an associated instrumentation. A test cell consists of a packed bed which enclose gadolinium particles as a magnetic working substance in a prescribed packing rate. In order to understand a fundamental system performance, an experimental study have been carried out for the variety of conditions such as a volumetric flow rate of air, a packing rate of the magnetic working substance, and a shape of the magnetic working substance. The results reveal that the pressure loss during magnetization process is lower than during demagnetization process.
社団法人日本機械学会の論文
2006-07-11