历史保护建筑室内热环境的检测与分析

TESTING AND ANALYSIS ON THE INDOOR THERMAL ENVIRONMENT IN A HISTORIC BUILDING

对上海某一有代表性的历史保护建筑室内热环境和围护结构传热系数进行了连续多日的测试,将测试结果与现行节能标准的规定进行了对比,并对室内热环境进行了全年的模拟分析。数据表明该历史建筑室内热环境的适用性较差,具体体现在以下几个方面:1)该历史保护建筑围护结构的传热系数不能满足现行节能设计标准对传热系数的限值;2)如果不采取采暖措施,最冷月室内温度在10℃左右,室内热环境难以满足人对舒适性的基本要求;3)如果不采取空调降温措施,夏季历史建筑内闷热潮湿,在高温日,有的房间室内温度超过33℃,而且湿度高,热环境恶劣。

Testing related to indoor thermal environment and overall heat transfer coefficient of a building envelope is conducted for several continuous days on a representative historic building in Shanghai and the results are compared with the criterion of standard for building energy efficiency. Meanwhile, the hourly indoor thermal environment during a typical meteorological year is simulated. The results indicate that in the aspect of indoor thermal environment, the applicability of the historic building is poor. It is enlarged on the three aspects： 1） The overall heat transfer coefficient of the building envelope cannot meet the requirement of standard for building energy efficiency; 2） If there is no space heating measures, the indoor temperature will be about 10℃ in the coldest month, which means that the indoor thermal environment is not satisfactory for comfort; 3） If there is no air conditioning in hot summer days, the temperature and relative humidity usually are high and some room temperature can be higher than 33 ℃ in some days, far beyond comfort zone for human living.