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一类回热式布雷顿制冷循环的有限时间热力学性能
引用本文:陈林根,孙丰瑞.一类回热式布雷顿制冷循环的有限时间热力学性能[J].真空与低温,1996,2(1):22-26.
作者姓名:陈林根  孙丰瑞
作者单位:海军工程学院306教研室
摘    要:研究了恒温热源条件下具有等熵压缩、膨胀过程的闭式回热式布雷顿制冷循环的有限时间热力学性能。导出循环制冷率、制冷系数与循环压比的关系,由此得到最佳制冷率、制冷系数的特性。

关 键 词:有限时间热力学,布雷顿制冷机,回热循环,最优化

FINITE TIME THERMODYNAMIC CHARACTERISTIES OF A REGENERATED BRAYTON REFRIGERATION CYCLE
Chen Lingen, Sun Fengrui.FINITE TIME THERMODYNAMIC CHARACTERISTIES OF A REGENERATED BRAYTON REFRIGERATION CYCLE[J].Vacuum and Cryogenics,1996,2(1):22-26.
Authors:Chen Lingen  Sun Fengrui
Abstract:The finite time thermodynamic characteristics of an isentropic closed regenerated Brayton refrigerstion cycle with constant temperature heat reservoirs has been studied in the paper. The relations between cyclic cooling rate and pressure ratio, coeffcient of performance (COP) and pressure ratio are derived for the two cases of heat reservoir conditions, and then the optimal characteristics of cooling rate versus COP are obtained.
Keywords:Finite time thermodynamics  Brayton refrigerator  Regenerated cycle  Optimization  
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