MU Longfei,FENG Jingjing,YANG Jinbo,et al.Analysis of Thermal Properties of the Surrounding Materials in Agricultural Greenhouse Buildings in Shandong Region[J].Northern Horticulture,2019,43(14):60-65.[doi:10.11937/bfyy.20190091]
山东地区农业日光温室建筑围护结构材料热工性能分析
- Title:
- Analysis of Thermal Properties of the Surrounding Materials in Agricultural Greenhouse Buildings in Shandong Region
- Keywords:
- greenhouses; thermal design; enclosure structure; temperature environment; ceramsite concrete
- 文献标志码:
- A
- 摘要:
- 日光温室是中国农业设施的重要组成部分，而后墙围护结构作为温室主要构件，其热工设计不仅影响内部温度环境，而且对温室大棚的生产效益有直接影响。该研究首先介绍了山东地区9种不同构造类型的温室墙体，通过建筑围护结构传热效果，分析了9种温室墙体的热阻、墙体材料比热容、墙体材料蓄热系数及惰性指标对温室大棚温度环境的影响；其次选择陶粒混凝土组合成新型墙体，进而分析墙体热物性特征，与9种典型日光温室墙体的热物性比较。结果表明：陶粒混凝土与黏土砖等常见日光温室墙体材料相比，密度较小，但热阻高；同等密度下蓄热能力优于黏土砖，材料可采用固废物加工而成，绿色环保；从保温、蓄热、环保等层面讲，陶粒混凝土是一种适合于温室后墙体的材料。
- Abstract:
- The greenhouse is an important part of the agricultural facilities in China.As the main component of greenhouse，the north wall envelope structure not only affects the internal temperature environment，but also has a direct impact on the production efficiency of greenhouse.Firstly，the nine different types of greenhouse wall in Shandong Province were introduced，through the heat transfer effect of the building enclosure，the effects of heat resistance，heat capacity，coefficient of thermal storage and thermal inertia index of nine kinds of greenhouse wall on greenhouse temperature environment were analyzed.Secondly，ceramsite concrete was selected to form a new type of wall，and then the thermal properties of the wall were analyzed,compared with the thermal properties of nine typical solar greenhouse walls.The results showed that ceramsite concrete had smaller density but higher thermal resistance than clay brick and other common wall materials in greenhouse in the past.In addition，its heat storage capacity was better than clay brick under the same density，and the material could be processed by solid waste，which was green and environmental protection.According to the aspects of heat preservation，heat storage and environmental protection，ceramsite concrete was a kind of material suitable for the back wall of greenhouse.
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备注/Memo
第一作者简介：穆龙飞（1993-），男，硕士研究生，研究方向为土木工程。E-mail：445578153@qq.com.责任作者：冯竟竟（1981-），女，博士，副教授，硕士生导师，现主要从事水泥混凝土材料化学、混凝土材料与结构耐久性、材料复合新技术与新材料等研究工作。E-mail：jingjing_ng_feng@163.com.基金项目：国家自然科学基金资助项目（51678344,51878400）。收稿日期：2019-03-13