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	Performance characteristics of an irreversible regenerative magnetic Brayton refrigeration cycle using Gd0.74Tb0.26 as the working substance
	Diguet, Gildas ; Lin, Guoxing ; Chen, Jincan ; Chen JC(陈金灿)
	2012-10
关键词	Magnetic refrigeration Magnetocaloric material for room-temperature application Thermodynamic performance Regeneration Irreversibility
英文摘要	The cycle model of an irreversible regenerative magnetic Brayton refrigerator using Gd0.74Tb0.26 as the working substance is established. Based on the experimental characteristics of iso-field heat capacities of the material Gd0.74Tb0.26 at 0 T and 2 T, the corresponding iso-field entropies are calculated and the thermodynamic performance of an irreversible regenerative magnetic Brayton refrigeration cycle is investigated. The effects of the irreversibilities in the two adiabatic processes and non-perfect regenerative process of the magnetic Brayton refrigeration cycle on the cooling quantity, the heat quantity released to the hot reservoir, the net cooling quantity and the coefficient of performance are discussed in detail. Some significant results are obtained. (c) 2012 Elsevier Ltd. All rights reserved.; National Natural Science Foundation 51176160 Ph.D. Program Foundation of Ministry of Education 20090121110026 Postdoctoral Science Foundation, People's Republic of China 86388
语种	英语
出版者	ELSEVIER SCI LTD
内容类型	期刊论文
源URL	[http://dx.doi.org/10.1016/j.cryogenics.2012.05.020]
专题	物理技术－已发表论文
推荐引用方式 GB/T 7714	Diguet, Gildas,Lin, Guoxing,Chen, Jincan,et al. Performance characteristics of an irreversible regenerative magnetic Brayton refrigeration cycle using Gd0.74Tb0.26 as the working substance[J],2012.
APA	Diguet, Gildas,Lin, Guoxing,Chen, Jincan,&陈金灿.(2012).Performance characteristics of an irreversible regenerative magnetic Brayton refrigeration cycle using Gd0.74Tb0.26 as the working substance..
MLA	Diguet, Gildas,et al."Performance characteristics of an irreversible regenerative magnetic Brayton refrigeration cycle using Gd0.74Tb0.26 as the working substance".(2012).

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