自然通风对办公室内气溶胶的影响

办公室间歇开窗自然通风可降低空内颗粒物和微生物的浓度，用ＴＳＩ公司的气溶胶自动分析仪和ＦＡ－１型空气微生物采样器对样品测定结果表明，上午９：００室外大气颗粒物浓度高于室内，不宜开窗；１０：３０左右，室内颗粒物浓度增高，开窗自然通风效果好。

Effect of Natural Ventilation on Office Aerosol

Intermittent natural ventilation in office could reduce the concentration of particulate matter and microbe. Taking aerosol automatic analyser of TST company and air microbe sampler of FA-1 type to determine the sample. The result showed that at 9:00am, concentration of air particulate matter outdoor was higher than indoor, not fit for open window, at 10:30 concentration of particulate matter increased, it is effective to open the window. Natural ventilation could effectively reduce indoor pollution sources which emitting particulate matter and microbe. But attention should be paid for organizing natural ventilation air flow for avoiding air flow disturbing in order to cause indoor fly ash.