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作 者:马云鹤[1] 姜曙光[1] 滕玉明[1] 程博[2]
机构地区:[1]石河子大学水利建筑工程学院,新疆石河子832003 [2]石河子大学生命科学学院,新疆石河子832003
出 处:《建筑科学》2014年第8期41-46,共6页Building Science
基 金:国家自然科学基金"厚重型被覆结构蓄热的被动式太阳房室内热环境优化研究"(51268049)
摘 要:以新疆石河子市郊区已建被动式太阳房为研究对象,根据该地区2002~2012年气象数据及太阳房围护结构的构造,计算出在基础室温为16℃和18℃条件下,太阳房的供暖保证率、节能率、辅助热量和室内温度等设计预测值。为掌握该太阳房的真实集热效率,了解住户在供暖期对太阳房的居住感受,依照GB/T 15405—2006《被动式太阳房技术条件与热性能试验方法》的要求,我们采用MS6501数字温度表、JTRG-II建筑热工温度与热流自动测试系统等仪器,在2012年11月~2013年4月对该太阳房进行了近1个供暖期的试验。通过分析试验数据,计算出该太阳房在维持基础室温16℃时,太阳能供暖保证率为26.50%,供暖节能率为28.90%;维持基础室温18℃时,太阳房供暖保证率为22.70%,供暖节能率为27.06%。南卧室室内空气温度与内墙表面平均温度的最大温差为1.9℃;各壁面温差在1℃以内;屋顶内表面与地面最大温差为2.8℃,该太阳房的热工稳定性能好,住户也反映热舒适度高。设计预测与实际测试结果对比表明该太阳房实际集热效率略低于设计预测值,并找出了造成差距的原因。In Xinjiang, the outskirts of the city of Shihezi has built a passive solar house as the research object, according to the structure of the area from 2002 to 2012 weather data and solar house structure, calculated based on room temperature is 16℃ and 18℃, solar house heating guaranteed rate, saving rate, auxiliary heat and indoor temperature forecast value. As a true collector efficiency grasp the solar house, understand the households in the heating period of the solar house living experience, in accordance with the "test method" technical conditions of real passive solar and thermal performance requirements, we use MS6501 digital thermometer, JTRG-II building thermal temperature and heat flux system instrument automatic test, in 2012 November to 2013 April the solar house was nearly 1 heating period. Through the analysis of experimental data, the calculation of the housing in the sun to maintain the room temperature 16℃, solar fraction is 26.50% , the heating energy saving rate of 28.90% ; to maintain the room temperature of 18℃, solar house heating guaranteed rate is 22.70%, the heating energy saving rate of was 27.06%. The maximum temperature difference between the average indoor air temperature and inner wall surface temperature south bedroom is 1.9℃ ; the wall temperature 1 ℃ ; the roof surface and the ground within the maximum temperature is 2.8 ℃, thermal stability performance of the solar house, tenants also reflects the high degree of thermal comfort. Design of forecast and actual test results show that the solar heat collecting efficiency is slightly lower than the actual design of predictive value, and finds out the reasons causing the gap.
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