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用有限时间热力学方法分析实际热泵循环性能。优化高、低温侧换热器和回热器之间的热导率分配式或传热面积分配和工质与热源间的匹配（对变温热源），可得循环最优特性。给出了详细的数值算例分析各不可逆损失对循环特性的影响
Analysis of Actual Heat Pump Cycle Performance Using Finite Time Thermodynamic Method. Optimization of high and low temperature side of the heat exchanger and regenerator heat transfer between the distribution or heat transfer area and the match between the working fluid and heat source (for variable temperature heat source), the cycle can be optimal characteristics. A detailed numerical example is given to analyze the influence of each irreversible loss on the cycle characteristics