In this paper, through numerical simulation, reasonable layout of ventilation outlet and optimal configuration are researched.

通过数值模拟，对机械排风口的合理布置位置和最佳配置方式进行了研究。

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For ventilation of pumps the valve should be mounted adjacent to the pump outlet.

对于泵通风阀应安装毗邻泵出口。

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Outlet air temperature of underground tunnel can meet ventilation design demand of hydropower house. Tunnel ventilation can provide a comfortable working environment for the house.

坝体廊道出口处空气温度满足水电站厂房的通风空调设计要求，廊道送风可以为厂房提供良好的工作环境。

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