费米气体布雷顿制冷循环的性能分析  

THE PERFORMANCE ANALYSIS OF A BRAYTON REFRIGERATION CYCLE WORKING WITH A FERMI GAS

作　　者：刘静宜[1] 林比宏[2] 陈金灿[3] 

机构地区：[1]漳州师范学院物理系,福建漳州363000 [2]泉州师范学院物理系,福建泉州362000 [3]厦门大学物理系,福建厦门361005

出　　处：《低温工程》2003年第1期1-7,共7页Cryogenics

摘　　要：基于理想费米气体的状态方程 ,建立以理想费米气体3 He为工质的布雷顿制冷循环模型 ,导出循环的输入功、制冷系数和制冷量等重要参数的普遍表达式。对几种有趣的情况作了详细的讨论。The model of a Brayton refrigeration cycle using an ideal Fermi gas 3 He as the working substance is established based on the equation of state of an ideal Fermi gas The universal expressions of several important parameters,such as the work input, coefficient of performance, refrigeration load of the cycle,are derived Some interesting cases are discussed in detail The bound of the pressure ratio that the Brayton refrigeration cycle can be operated normally is determined

关 键 词：费米气体 布雷顿制冷循环 输入功 制冷系数 制冷量 量子热力学循环 统计力学 简并性 

分 类 号：TB61[一般工业技术—制冷工程] O414[理学—理论物理]