Performance of underground heat storage system in a double-film-covered greenhouse |
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| Authors: | Yong-wei Wang Xi-feng Liang |
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| Institution: | (1) Department of Biosystem Engineering, Zhejiang University, Hangzhou, 310029, China;(2) School of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou, 310018, China |
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| Abstract: | An underground heat storage system in a double-film-covered greenhouse and an adjacent greenhouse without the heat storage
system were designed on the basis of plant physiology to reduce the energy consumption in greenhouses. The results indicated
that the floor temperature was respectively 5.2 °C, 4.6 °C and 2.0 °C higher than that of the soil in the adjacent reference
greenhouse after heat storage in a clear, cloudy and overcast sky in winter. Results showed that the temperature and humidity
were feasible for plant growth in the heat saving greenhouse.
Project (No. 20050912) supported by the Education Department of Zhejiang Province, China |
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| Keywords: | Greenhouse Underground heat storage system Performance of heat storage Energy saving |
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