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On-line Access: 2024-08-27

Received: 2023-10-17

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Journal of Zhejiang University SCIENCE B 2006 Vol.7 No.4 P.279-282

http://doi.org/10.1631/jzus.2006.B0279


Performance of underground heat storage system in a double-film-covered greenhouse


Author(s):  Wang Yong-Wei, Liang Xi-Feng

Affiliation(s):  Department of Biosystem Engineering, Zhejiang University, Hangzhou 310029, China; more

Corresponding email(s):   wywzju@zju.edu.cn, lxfcjl@163.com

Key Words:  Greenhouse, Underground heat storage system, Performance of heat storage, Energy saving



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.

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