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对三座大型综合性酒店建筑物的主风口侧新风吸入口空气品质实测调查发现,该侧室内排风混入比例高达17.5％左右,对新风引入构成约束。用连续点源扩散理论分析了排风混入的影响因素;试验讨论了排风量的变化对新风吸入口部位和室内空气品质的影响程度;提出了确定主风口侧排风量的计算公式;为工程设计提供了参考依据。
The air quality survey of the fresh air inlet of the main outlet of the three large-scale comprehensive hotel buildings found that the mixing ratio of the exhaust air in the side of the indoor is as high as 17.5%, which restricts the introduction of fresh air. The influencing factors of exhaust air mixing were analyzed by using continuous point source diffusion theory. The influence of exhaust air volume change on fresh air inlet and indoor air quality was discussed. The formula to determine the exhaust air volume at main air inlet was proposed. Engineering design provides a reference.