一般传热规律下磁埃里克森制冷机的优化分析

Optimal Analysis on a Class of Magnetic Ericsson Refrigerator with a General Heat Transfer Law

根据顺磁质的热力学性质 ,应用有限时间热力学理论 ,导得一般传热规律下磁埃里克森制冷机的基本优化关系 ,探讨热阻和非理想回热对一类磁埃里克森制冷机的影响 ,由此讨论制冷机的各种优化性能 ,所得结论可为磁埃里克森制冷机的研制和优化设计提供新的理论指导 .

By using finite-time thermodynamics and the thermodynamic properties of a paramagnetic,the fundamental optimal relation of a class of magnetic Ericsson refrigerators with a general heat transfer law is derived.The influence of thermal resistances and nonperfect regeneration on a class of magnetic Ericsson refrigerators is researched.Some optimal performance are discussed.The conclusions obtained here may provide some new theoretical guidance for the development and optimal design of magnetic Ericsson refrigerators.