|Table of Contents|

Performance of Heating Storage Gravel Wall Solar Greenhouse(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年02
Page:
46-50
Research Field:
Publishing date:

Info

Title:
Performance of Heating Storage Gravel Wall Solar Greenhouse
Author(s):
ZHANG Jie1; ZOU Zhirong2; ZHANG Yong2; SUN Yachen2
(1.College of Mechanical and Electric Engineering，Northwest Agriculture and Forestry University，Yangling,Shaanxi 712100;2.College of Horticulture，Northwest Agriculture and Forestry University，Yangling,Shaanxi 712100)
Keywords:
gravel wall; solar greenhouse; heating storage material; insulation performance
PACS:
-
DOI:
10.11937/bfyy.201602013
Abstract:
A new structure of the thermal storage wall solar greenhouse was studied and its properties were investigated，the solar greenhouse was built with gravel as the main material，fixed by wire mesh cage，the gap between the gravels can enhance the flow of hot air，thereby enhancing the thermal storage properties of the wall.Lighting performance，temperature and internal temperature of the walls were discussed and analyzed theoretically.The results showed that the new gravel wall compared with ordinary brick wall，there was no significant difference in lighting performance；the average indoor temperature at the typical sunny was improved 4.0℃，at the typical cloudy was improved 5.0℃，at the typical snowy was improved 3.2℃.The temperature of the internal wall increased most evidently at 40 cm from the surface.In sunny，cloudy and snowy，the new gravel wall was improved an average of 9.8℃，6.4℃，4.8℃.The tests showed that the gravel was suitable as storage material of wall in solar greenhouse，and the insulation performance was good.

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Last Update: 2016-03-17