量子斯特林制冷循环性能研究  

Study on the Performance of Quantum Stirling Refrigeration Cycle

作　　者：殷勇 吴锋[2] 陈林根[1,3,4] YIN Yong WU Feng CHEN Lin-Gen(Institute of Thermal Science and Power Engineering, Naval University of Engineering, Wuhan 430033, China School of Science, Wuhan Institute of Technology, Wuhan 430073, China Military Key Laboratory for Naval Ship Power Engineering, Naval University of Engineering, Wuhan 430033, China College of Power Engineering, Naval University of Engineering, Wuhan 430033, China)

机构地区：[1]海军工程大学热科学与动力工程研究室,武汉430033 [2]武汉工程大学理学院,武汉430033 [3]海军工程大学舰船动力工程军队重点实验室,武汉430033 [4]海军工程大学动力工程学院,武汉430033

出　　处：《工程热物理学报》2017年第10期2061-2067,共7页Journal of Engineering Thermophysics

基　　金：国家自然科学基金项目(No.51576207)

摘　　要：建立了以无数个无限深势阱中的粒子为工质的不可逆量子斯特林制冷循环模型。势阱中粒子在能级上的分布由吉布斯分布函数决定。该制冷循环由两个等能量过程与两个等势阱壁宽度过程组成,具有高低温热源间的热漏和不完全回热因素。导出了性能系数、致冷率、熵产率和生态学目标函数性能解析式,制冷率与生态学函数的关系曲线是回原点的扭叶型。分析了热漏系数与不完全回热因子对性能系数、制冷率和生态学函数的影响。An irreversible quantum Stirling refrigeration model is established in which working substance is a single particle contained in a one-dimensional infinite potential well, and the system consists of countless replicas. The occupation probabilities in each eigenstates of the particle are expressed by the thermal equilibrium Gibbs distributions. The cycle is made of two iso-energy branches and two isochoric branches and with heat leakage between heat reservoirs and imperfect regeneration. Analytical expressions of COP, cooling rate, entropy generation rate and ecological function are derived. The curve between cooling rate and ecological function is a loop-shaped one.Effects of heat leakage and imperfect regeneration on COP, cooling rate and ecological function are analyzed.

关 键 词：有限时间热力学 一维无限深势阱 量子制冷循环 生态学性能优化 

分 类 号：TK123[动力工程及工程热物理—工程热物理]