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Effects of internal irreversibility and heat leakage on the finite time thermoeconomic performance of refrigerators and heat pumps

机译:内部不可逆性和热泄漏对冰箱和热泵的有限时间热经济性能的影响

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摘要

By using finite time thermodynamic theory, a performance analysis based on the thermoeconomic criterion has been performed for an irreversible refrigerator and a heat pump. The thermoeconomic objective function is defined as the cooling load for the refrigerator and the heating load for the heat pump per unit total cost. The optimal performances and design parameters which maximize the objective functions are investigated. The design parameters under the optimal conditions have been derived analytically, and then, the effects of internal irreversibility, heat leakage and the economical parameter on the global and optimal performances have been discussed.
机译:通过使用有限时间热力学理论,对不可逆式冰箱和热泵进行了基于热经济学标准的性能分析。热经济目标函数定义为每单位总成本中冰箱的冷却负荷和热泵的加热负荷。研究了使目标函数最大化的最佳性能和设计参数。通过分析得出最佳条件下的设计参数,然后讨论了内部不可逆性,热泄漏和经济参数对整体性能和最佳性能的影响。

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