LIU Bo-cong,QU Mei,MIAO Yan-xiu,et al.The Effect of A Solar Heat Storage System Applied in The Solar Greenhouse[J].Northern Horticulture,2012,36(10):48-53.
太阳能蓄热系统在日光温室中的应用效果
- Title:
- The Effect of A Solar Heat Storage System Applied in The Solar Greenhouse
- 文章编号:
- 1001-0009（2012）10-0048-06
- 分类号:
- S 626.5
- 文献标志码:
- A
- 摘要:
- 针对如何提高冬季日光温室的温度，为作物提供适宜的生长环境，研究一套应用于日光温室的太阳能蓄热系统，该系统白天将太阳能吸收并转化为水的热量，夜间通过地热管网将热量传递给土壤，进而提高气温。在3种不同气象条件下，根据热量流动规律，计算出太阳能集热器平均效率40.6%；太阳能蓄热系统平均蓄热效率70.9%，保温蓄水池水温升高18.0℃；太阳能蓄热系统的地下平均蓄热量55.6 MJ,室内夜间平均气温13.9℃，提高4.4℃；室内-20 cm和-40 cm土壤温度均维持在19℃，提高3~5℃，表明太阳能蓄热系统有良好的蓄热能力，能够有效提高日光温室内气温与地温，为蔬菜作物提供适宜的生长环境。
- Abstract:
- Aiming at how to improve the temperature of the solar greenhouse and provide suitable environment for vegetables in winter，the effect of a solar heat storage system was studied.This system could absorb the solar energy and transformed into the water energy during the day，then transferred to the soil energy through underground pipes during the night，thereby improving the air temperature.According to the heat-flow pattern，the results showed that the average efficiency of solar collectors was 40.6%;the average heat storage efficiency of the solar heat storage system was 70.9%,what’s more，it could improve the water temperature by 18.0℃ and this system could store an average heat quantity of 55.6 MJ in three different weather conditions.With this system，the average air temperature was 13.9℃，increased 4.4℃;-20 cm and-40 cm soil temperature were maintained at 19℃，improved 3~5℃ at night.These results showed the solar heat storage system had a good heat storage capacity，it could effectively improve the air temperature and soil temperature and provide suitable environment for vegetable crops.
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备注/Memo
第一作者简介：刘伯聪（1987-），男，山西太原人，在读硕士，研究方向为设施园艺与无土栽培。E-mail:lbc_cau@126.com。
责任作者：陈青云（1958-），男，博士，教授，博士生导师，研究方向为设施农业。E-mail:caucqy@163.com。
收稿日期：2012-03-05