Parametric optimum analysis of an irreversible regenerative magnetic Brayton refrigeration cycle

被引：17
|
作者：
Yang, YL
Chen, JC [1 ]
He, JZ
Brück, E
机构：
[1] Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China
[2] Nanchang Univ, Dept Phys, Nanchang 330047, Peoples R China
[3] Univ Amsterdam, Van der Waals Zeeman Inst, NL-1018 XE Amsterdam, Netherlands
来源：
PHYSICA B-CONDENSED MATTER | 2005年 / 364卷 / 1-4期
基金：
中国国家自然科学基金;
关键词：
magnetic Brayton refrigeration cycle; curie law; regeneration; adiabatic irreversibility; performance characteristics; optimal analysis;
D O I：
10.1016/j.physb.2005.03.030
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
With the help of thermodynamic properties of paramagnetic materials based on statistical mechanics, the performance of an irreversible regenerative magnetic Brayton refrigeration cycle is investigated. Expressions of some important parameters such as the coefficient of performance. refrigeration load and work input are derived analytically and are used to reveal the general performance characteristics of the cycle. Moreover, the minimum ratio and the lower bound of the optimal ratio of two magnetic fields are determined and the optimal criteria of the cyclic parameters obtained. Several special cases are discussed in detail. The results obtained will be helpful to deeply understand the performance of an irreversible regenerative magnetic Brayton refrigeration cycle. (c) 2005 Published by Elsevier B.V.
引用
收藏
页码：33 / 42
页数：10
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