回热损失对磁斯特林制冷循环制冷率的影响  

THE EFFECT OF REGENERATIVE LOSSES ON THE COOLING RATE OF A MAGNETIC STIRLING REFRIGERATION CYCLE

作　　者：陈金灿[1] 严子浚[1] 

机构地区：[1]厦门大学物理系

出　　处：《低温工程》1998年第6期49-54,共6页Cryogenics

摘　　要：从铁磁质的磁化强度一般表示式出发，探讨热阻和回热损失对磁斯特林制冷循环性能的影响，导出最大制冷率及其它性能参数。得到的结果适用于以顺磁质为工质的磁斯特林制冷循环。并指出在理想回热条件下的结论也适用于磁卡诺制冷循环。The effect of thermal resistances and regenerative losses on the performance of a magnetic stirling refrigeration cycle is studied with the beginning from a general expression of the magnetization intensity of ferromagnetic materials.The maximum cooling rate and other performance parameters are derived.The results obtained here are also suitable for a magnetic Stirling refrigeration cycle using a paramagnetic salt as the working substance.Moreover ,it is pointed out that the results obtained under the condition of perfect regeneration are suitable for a magnetic Carnot refrigeration cycle.

关 键 词：磁致冷却 热阻 回热损失 制冷率 磁斯特林制冷循环 

分 类 号：TB618[一般工业技术—制冷工程]