技术中心

【英文篇名】 Four pipe heat pump air conditioning system with heat recovery and its energy efficiency 【作者中文名】 楼世竹; 【作者英文名】 By Lou Shizhu; 【作者单位】 同济大学; 【文献出处】 暖通空调, Hv 热回收; 系统能效比; 冷热负荷比; 【英文关键词】 four pipe heat pump air conditioning system; heat recovery; system EER; cooling/heating load ratio; 【摘要】 简要介绍了四管热泵热回收型空调系统的构造和运行，给出了用于评价整个系统综合性能的系统能效比的定义，分析了系统全年能效比随建筑冷热负荷比Ｋ的变化规律，指出在一定的Ｋ值范围内，四管热泵系统既能够满足不同用户的冷热需求，又能实现节能运行，能效比高于通常的双管热泵系统。 【英文摘要】 Briefly describes the configuration and operation of the system, defines a system EER(Energy Efficiency Ratio) for indicating the performance of the system as a whole, studies its variation with the cooling/heating load ratio for the building in question, and concludes that the four pipe system has a higher EER than that of conventional two pipe systems whilst satisfactorily meeting the requirements of users for heating and cooling.