The critical wind velocity in sloping tunnels will be different from horizontal tunnels due to the stack effect.
在坡度隧道中，由于火风压的作用，临界风速与水平隧道临界风速相比会有一定的差异。
The mechanical option makes use of oversized heat exchangers and low power fans to complement the passive stack effect already assisting the air movement in the ducts.
机械通风选项，用大尺寸换热器和低能耗风机来补充由烟囱效应引起的空气流动。
Large overhangs on the southwest protect against the harsh afternoon sun while horizontal timber louvers provide for natural cooling via a stack effect and act as sun breakers.
西南部的大飞檐防御刺眼的午后阳光，同时横木百叶窗通过烟囱效应提供自然降温，用作遮阳板。
Large overhangs on the southwest protect against the harsh afternoon sun while horizontal timber louvers provide for natural cooling via a stack effect and act as sun breakers.
西南部的大飞檐防御刺眼的午后阳光，同时横木百叶窗通过烟囱效应提供自然降温，用作遮阳板。
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