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提出一种适用于被动式太阳能空气供暖的地下室蓄热系统,并对西北严寒地区采用该系统的农村住宅进行供暖试验研究。通过试验,分析太阳能集热墙与地下室复合系统对室内热环境的影响。试验结果表明:有太阳能集热墙与地下室复合系统的房间内平均空气温度比对比房的室内空气平均温度高7.5℃,最高温差达13.6℃,最低温差为2.5℃。通过对太阳房供暖节能率的分析计算得出其节能率为62.3%,验证在该地区建立太阳能集热墙与地下室复合系统建筑的可行性和经济性。
A basement heat storage system suitable for passive solar air heating is proposed and the rural residential heating system using the system in the northwest cold area is studied. Through experiments, the influence of solar heat collecting wall and basement composite system on indoor thermal environment is analyzed. The experimental results show that the average air temperature in the room with solar collector wall and basement composite system is 7.5 ℃ higher than the average room air temperature in the comparison room, the maximum temperature difference is 13.6 ℃ and the minimum temperature difference is 2.5 ℃. Through the analysis of the heating efficiency of the solar house, the energy-saving rate is 62.3%, which verifies the feasibility and economy of building solar thermal wall and basement complex system in this area.