Thermodynamic parameters of a magnetic refrigerator with a Carnot cycle.
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资源简介：
Theoretical modeling of thermodynamic and technical parameters of a cryogenic single-stage magnetic refrigerator operating at a temperature of about 25 K and in a magnetic field up to 10 T was carried out in the present work. As a working body, the alloy DyNi2 is used. Modeling of heat transfer processes with a single cooling cycle was carried out. The calculation showed that for a given design configuration, the average heat transfer time is not more than 1-2 seconds, then the entire time of a single cooling cycle is no more than 2-4 seconds. This allows one to estimate the specific power and the achieved temperature difference of a singlestage refrigerator with a Carnot cycle. An estimate for the coefficient of performance (COP) of the cooling process shows advantages over traditional refrigerators based on gaseous working bodies.
提供机构：
International Institute of Refrigeration (IIR)
创建时间：
2018-11-20
