新疆农村被动式太阳房夏季不同降温控制模式的降温效果  

Cooling effect of passive solar house with different cooling control modes during summer in rural areas of Xinjiang

作　　者：徐鑫 李洁[1] 姜曙光[1] 代金 吴梦云 Xu Xin;Li Jie;Jiang Shuguang;Dai Jin;Wu Mengyun(College of Water Conservancy&Architecture Engineering,Shihezi University,Shihezi 832000,China)

机构地区：[1]石河子大学水利建筑工程学院

出　　处：《农业工程学报》2019年第14期198-204,共7页Transactions of the Chinese Society of Agricultural Engineering

基　　金：新疆生产建设兵团工业高新技术科技攻关计划项目(2016AB007)

摘　　要：冬季供暖性能良好的被动式太阳房,夏季室内普遍存在着过热问题。该文以新疆石河子农村的2栋不同构造的被动式太阳房为研究对象,提出4种不同的降温控制模式。通过夏季降温试验研究,重点讨论了白天热压通风、夜间自然通风、地板辐射供冷等措施对于缓解被动式太阳房夏季过热程度的作用,并在此基础上分析了降温措施对室内热舒适适应性的影响程度。试验结果表明:对于新疆农村没有地下室的被动式太阳房,采用该文提出的热压通风结合夜间通风降温模式,满足80%可接受舒适度要求的时长占比可提升35.04%;耦合地下室的被动式太阳房,依靠合理的通风措施和地板辐射供冷,满足80%可接受舒适度的时长占比达到85.80%,可基本实现夏季降温的目标。Due to the sustainable development,the passive solar energy heating technology has drawn much attention and been widely applied in buildings.For the high-level solar radiation and little rainfall in Xinjiang,China,the passive solar houses have an excellent effect of the heating collection in winter.However,the application of passive solar houses is limited owing to its prevailing overheating and low thermal comfort in summer.Hence,energy efficiency should be hanced by adopting energy-efficiency measures like natural ventilation and passive radiant floor cooling that decrease building energy consumption.Combined with strong solar radiation and large temperature gap difference between day and night,the effectiveness of various cooling measures of passive solar houses with different structures was studied in this paper.This work aimed to study the measures for the passive solar house to alleviate summer overheating,such as the daytime thermal driven ventilation,the night natural ventilation,and the passive radiant floor cooling etc.Moreover,the influence of cooling measures on indoor thermal comfort was analyzed.Two passive solar houses with different structures in Shihezi,Xinjiang were built as case studies and the cooling effects of the four modes were contrastively proposed.Among four modes,mode1 and mode2 were introduced for the experiment based on a traditional passive solar house without a basement.Mode1 was the room using thermal driven ventilation only.Mode 3 was the room using the daytime thermal driven ventilation and the night natural ventilation.Different from the traditional passive solar house,mode 3 and mode 4 were designed based on a passive solar house with a basement.Mode 3 was an operation mode similar to mode1,and mode 2 was similar to mode 4.The solar radiation heat gain from the south wall of mode1 was far greater than that from the heat gain of thermal driven ventilation,which could not fulfill the cooling requirements.Although solar radiation heat gain from the south wall of mode 3 was close

关 键 词：农村 降温 太阳房 热压通风 地面辐射供冷 

分 类 号：TU834.3[建筑科学—供热、供燃气、通风及空调工程]