| 建筑外窗自然通风流量系数的影响因素分析 |
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| 引用本文： | 王龙,潘毅群,黄治钟.建筑外窗自然通风流量系数的影响因素分析[J].建筑节能,2012,40(6):12-14,23. |
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| 作者姓名： | 王龙 潘毅群 黄治钟 |
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| 作者单位： | 同济大学机械工程学院,上海,201804 |
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| 摘 要： | 流量系数是反映建筑开口自然通风量的一个重要参数。利用Fluent软件对不同形式的建筑开口在自然通风下的流量系数进行了模拟计算,分析其各项影响因素包括通风口面积、通风口高宽比、通风口开启角度、通风口两侧温差等的影响情况。再利用SPSS软件对模拟结果进行多元回归,定量分析平开窗、推拉窗以及悬窗3种开口的流量系数。
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| 关 键 词： | 自然通风 流量系数 正交实验 SPSS |
Factors Affecting Discharge Coefficient of Building Ventilation Windows |
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| WANG Long
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PAN Yi-Qun
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HUANG Zhi-zhong.Factors Affecting Discharge Coefficient of Building Ventilation Windows[J].Construction Conserves Energy,2012,40(6):12-14,23. |
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| Authors: | WANG Long PAN Yi-Qun HUANG Zhi-zhong |
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| Affiliation: | (School of Mechanical Engineering,Tongji University,Shanghai 201804,China) |
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| Abstract: | Discharge coefficient is an important parameter that reflects the natural ventilation airflow rate through building opening.Fluent software is utilized to get the discharge coefficient of different kinds of building natural ventilation openings;It analyzes the influence of the main factors,such as the area of opening,the height/width ration of opening,the opening degree,and the temperature difference across the opening,on discharge coefficient of casement window,sliding window and pivot window.The regression equation of discharge coefficient and the four factors to the three kinds of windows are expounded respectively with SPSS software. |
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| Keywords: | natural ventilation discharge coefficient orthogonal design experiment SPSS |
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