Characteristics of a Magnetic Refrigerator with New Magnetocaloric Materials

Yoshiki MIYAZAKI; Koichiro WAKI; Yuuki ARAI; Katsutoshi MIZUNO; Keisuke YOSHIZAWA; Ken NAGASHIMA

doi:10.2219/rtriqr.55.119

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Characteristics of a Magnetic Refrigerator with New Magnetocaloric Materials

Yoshiki MIYAZAKI, Koichiro WAKI, Yuuki ARAI, Katsutoshi MIZUNO, Keisuke YOSHIZAWA, Ken NAGASHIMA

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Keywords: air conditioner, magnetic refrigerator, Gd, LaFeCoSi, cooling capacity, COP

JOURNAL FREE ACCESS

2014 Volume 55 Issue 2 Pages 119-124

DOI https://doi.org/10.2219/rtriqr.55.119

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Abstract

The aim of this study is to put a cooling technology using a magnetocaloric effect to practical use for air conditioners of railway vehicles in order to save energy. New magnetcaloric materials which have larger a magnetocaloric effect compared with Gd have been developed in the region of room temperature. Nevertheless, little discussion exists about how much the new materials affect the properties of a magnetocaloric cooling system. Therefore, the characteristics of the cooling system with Gd and La(Fe_0.84Co_0.06Si_0.10)₁₃ have been studied experimentally and analytically.

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