When the sending and exhausting shaft is ventilated, short duct flow may occurred between outlet and inlet, which will baffle air exchange in highway tunnel.
在竖井送排式通风时，排风口和送风口之间可能产生短道流动，这种短道流动会阻碍隧道内的空气交换。
When dust air enter dust filter, first touch middle inclined baffle. Air flow turn to dust hopper and the speed of airflow become slowly.
当含尘气体从进风口进入收尘器后，首先碰到进出风口之间的斜隔板，气流便转向流入灰斗，同时气流速度变慢。
The results show us that, the deflection of the air flow direction has the linear relationship with the baffle installation angle;
结果表明，加装挡板后气流方向的偏转与挡板安装角度有一定线性关系；
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