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个人信息Personal Information
教授
博士生导师
硕士生导师
性别:女
毕业院校:日本千叶大学
学位:博士
所在单位:土木工程系
学科:供热、供燃气、通风及空调工程
办公地点:综合实验4号楼438室
联系方式:办公电话:0411-84706371
电子邮箱:chenbin@dlut.edu.cn
Experimental study on dynamic thermal response of a passive solar cooling system
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论文类型:会议论文
发表时间:2008-01-01
收录刊物:CPCI-S
页面范围:469-476
关键字:dynanic response; passive cooling; passive solar house; thermal performance
摘要:The dynamic thermal response of a passive solar cooling system under coastal climate in North China was investigated in this paper. Experiment was conducted in a passive solar house with an improved Trombe wall, which uses some measures to improve passive cooling effects, such the rolling blinds for shading and night ventilation for cooling storage. By continuous measuring, the dynamic responses of surface temperatures of building envelop and air temperatures with the change of outdoor climate are obtained; and the night cooling characteristics of the massive wall is studied based on the Frequency Domain Regression (FDR) method. The natural convection heat exchange between air in the gap of Trombe wall and indoor air is analyzed by Ra number. The study results indicate that surface temperature of solar collecting wall is not sensitive to solar radiation intensity with the help of rolling blinds, which can evidently restrain the indoor air overheat. The cooling effect of night ventilation on massive wall can last for the next daytime, which can weaken the overheat level. The indoor air temperature has obvious temperature gradients in both horizontal and vertical directions.