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室内微生物污染的三种工程控制方法【英文篇名】 Three engineering control methods of indoor airborne microbes 【作者中文名】 李建兴; 涂光备; 涂岱昕; 【作者英文名】 By Li Jianxing; Tu Guangbei and Tu Daixin Tianjin Municipal Engineering Design 【作者单位】 天津市市政工程设计研究院; 天津大学; 【文献出处】 暖通空调, Hv 通风换气; 空气过滤; 紫外线杀菌; 【英文关键词】 microbe; ventilation; air filtration; ultraviolet germicidal irradiation（UVGI）; 【摘要】 阐述了微生物在空气中的传播机理,介绍了通风换气、空气过滤及紫外线杀菌三种控制方法,采用Wells-Riley方程分析了通风换气对降低感染率的影响,给出了一些常见空气过滤器的滤菌效率,分析了紫外线照射用于流动空气杀菌的局限性。 【英文摘要】 Analyses the transmission mechanism of airborne microbes. Presents three commonly used engineering control methods, including ventilation, air filtration and ultraviolet germicidul irradiation (UVGI), discusses the relationship between ventilation rate and infection rate based on the Wells-Riley equation, gives the filtration efficiency of some air filters for bacteria, and analyses the limitation of UVGI for airstream. especially for in-duct irradiation.