With approval , airflow may set back to 6 air changes per hour when space is unoccupied 如经过同意,当实验室无人时,可以将换气量降为6次每小时。
Calculation of ventilating rate and analyses of field measurement for underground garages of civil buildings 民用建筑地下停车库通风换气量计算及现场实测分析
Compared with the common situation , the result of numerical simulation shows that the cold air will result in an uncomfortable area indoors by using either of the method mentioned above 对三种供暖方式在不同换气次数条件下的温度场和pmv分布模拟结果显示,大换气量将造成室内一部分区域的不舒适性。