太阳能辅助地源热泵系统在严寒地区太阳能季节蓄热的实验研究

太阳能辅助地源热泵系统在严寒地区太阳能季节蓄热的实验研究(中文3300字,英文2400字,英文PDF)
摘要：
本文介绍了一种太阳能辅助地源热泵系统的试验研究（SAGCHPS）。将太阳能季节性蓄热装置安装在哈尔滨的一个独立的房子，太阳的季节热储存在整个非炎热的季节。在夏天，土壤被用作散热片要直接冷却建筑物。在冬季，太阳能作为一个优先事项，和建设采用地源热泵（GCHP）和太阳能集热器加热的交替。结果显示系统能够满足建筑物的加热、冷却、能源需求。在加热模式下，直接由太阳能集热器提供的热量占49.7%的总加热输出，和平均热泵系统性能系数分别为4.29和6.55。在冷却方式，系统的能效比达到21.35，因为热泵是没有必要运行的。经过一年的运行，热泵从土壤中提取的热量占75.5%热储存的太阳能季节性蓄热。过量的热量将土壤温度升高到一个更高的温度下水平，有利于提高热泵的性能。

Experimental study of a solar-assisted ground-coupled heat pump system with solar seasonal thermal storage in severe cold areas
abstract
This paper presents the experimental study of a solar-assisted ground-coupled heat pump system
(SAGCHPS) with solar seasonal thermal storage installed in a detached house in Harbin. The solar seasonal thermal storage was conducted throughout the non-heating seasons. In summer, the soil was used as the heat sink to cool the building directly. In winter, the solar energy was used as a priority, and the building was heated by a ground-coupled heat pump (GCHP) and solar collectors alternately. The results show that the system can meet the heating–cooling energy needs of the building. In the heating mode, the heat directly supplied by solar collectors accounted for 49.7% of the total heating output, and the average coefficient of performance (COP) of the heat pump and the system were 4.29 and 6.55, respectively. In the cooling mode, the COP of the system reached 21.35, as the heat pump was not necessary to be started. After a year of operation, the heat extracted from the soil by the heat pump accounted for 75.5% of the heat stored by solar seasonal thermal storage. The excess heat raised the soil temperature to a higher level, which was favorable for increasing the COP of the heat pump.