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| Performance Test and Analysis on New Type Solar Greenhouse with Assembly Structure for Active Heat Storage and Release |
| SI Changqing1，3，HE Fen1，2*，ZHOU Changji1，2，GAO Hechang4，ZHANG Bai4，LI Xiaoming4 |
| 1Key Laboratory of Farm Building Structural Design and Intelligent Construction，Ministry of Agriculture and Rural Affairs（MARA），Beijing 100125，China；2Academy of Agricultural Planning and Design，MARA，Beijing 100125，China；3College of Mechanical & Power Engineering，Three Gorges University，Yichang 443002，Hubei，China；4Beijing Huamei Wolong Agricultural Technology Co.，Ltd.，Beijing 100024，China |
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Abstract In order to improve the thermal insulation and heat storage performance of solar greenhouses in winter，this study designed a new type solar greenhouse with assembly structure for active heat storage and release，and actually tested the environmental performance of this greenhouses in the cold period of winter in Hebei，Inner Mongolia，and Ningxia regions．The results showed that the average daily temperature and mean value of daily minimum temperature in greenhouse at tested regions were 15-21 ℃ and 9.0-17.7 ℃，respectively．The average duration of daytime when indoor temperature greater than 15 ℃ all exceeded 7 h．And the daily average temperature at night and average value of indoor and outdoor temperature differences were 12.1-18.4 ℃ and 18.7-33.8 ℃，respectively．In absence of the other auxiliary heating conditions，the new type solar greenhouse with assembly structure for active heat storage and release has good thermal insulation and heat storage performance，strong applicability，and can meet the winter production needs of prefer warmth crops．
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Received: 30 May 2022
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