【摘要】 简述了直接膨胀式太阳能热泵的基本工作原理,从热力学理论出发,对直接膨胀式太阳能热泵的循环进行了理论热力分析,提出了系统各主要部件的能量平衡和火用平衡方程,分析了系统的性能系数COP和火用效率Eη。更多还原

【Abstract】 In this paper,general principle of direct expansion solar-assisted heat pump is presented.According to thermodynamic law,theoretic circulation of direct expansion solar-assisted heat pump is analysed,energy balance equations and exergy balance equations of the main instruments in a direct expansion solar-assisted heat pump system are gived and COP and exergy efficiency of the system is analysed.更多还原