量子简并性对气体斯特林制冷循环性能的影响

Influence of quantum degeneracy on the performance of a Stirling refrigeration cycle

基于理想量子气体的状态方程 ,分析了量子气体斯特林制冷循环中的回热特征 ,推导出循环的制冷系数一般表达式 .获得了在强简并和弱简并条件下循环的制冷系数 。

Based on the equation of state of the ideal quantum gas, regenerative characteristics of the quantum Stirling refrigeration cycle is analyzed. The general expression for the coefficient of performance is derived. Under the condition of strong and weak gas degeneracy, the special expressions for the coefficient of performance are discussed. These results will be significant for the research of a Stirling refrigerator in the low temperature range.