北方大棚土壤源太阳能热泵蓄热系统的研究

发布时间：2018-03-13 20:01

  本文选题：土壤源　切入点：太阳能　出处：《江苏农业科学》2016年12期 　论文类型：期刊论文

【摘要】：针对北方地区大棚,设计了一套土壤源太阳能热泵供热系统,对系统土壤蓄热进行试验研究。结果表明:辐照条件直接影响蓄热系统的供水温度,太阳辐照越强,制热量越大,系统的能效比也越大。土壤源热泵未开启的情况下,利用土壤蓄热的试验大棚与对比大棚(未加供热系统)相比,地下10 cm处地温平均日提升4.6℃,最高提升6.5℃,大棚室内温度平均日提升2.4℃。
[Abstract]:A ground-source solar heat pump heating system was designed for the greenhouse in the north of China. The experimental study on the soil heat storage of the system was carried out. The results showed that the radiation condition directly affected the water supply temperature of the storage system, and the stronger the solar radiation, the greater the heating capacity. The larger the energy efficiency ratio of the system is, the higher the energy efficiency ratio of the system is. When the ground source heat pump is not turned on, compared with the contrast greenhouse (without heating system), the ground temperature at 10 cm underground is increased by 4.6 鈩，

本文编号：1607900