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以风洞为研究手段,通过改变模型房间的窗户大小和室内阻隔方式,建立相对开窗典型的房间模型;检测不同来流速度条件下,各类典型房间的通风率大小和室内、外表面的压力分布,探讨房间内部阻隔等因素对通风率及风压分布的影响等。主要结论为:随着窗户面积增大,相对开窗房间的通风率随之增加,当窗户开口率大于一定值时其增幅会减缓;无隔间房间与有隔间房间各区内压力分布基本均匀;边上开门与中间开门的两隔间之间的压差值的大小与开口率的大小有关;外墙迎风面距窗沿一定距离后,压力分布基本不受开窗的影响等。
Taking the wind tunnel as the research method, a typical room model with relative open windows is established by changing the size of the window in the model room and the indoor barrier mode. The ventilation rates of various typical rooms are measured under different flow velocities, Pressure distribution, to explore the internal barrier and other factors on the ventilation rate and wind pressure distribution. The main conclusions are as follows: with the increase of the window area, the ventilation rate of the relative window opening room increases, and the increase rate of the window opening rate will be slowed down when the opening ratio of the window is larger than a certain value; the pressure distribution in each area of the non-compartment room and the compartment room is basically uniform ; The size of the pressure difference between the two sides of the open door and the middle open door is related to the size of the opening ratio; the pressure distribution on the windward side of the external wall is not affected by the fenestration after being at a certain distance from the window.