期刊
JOURNAL OF THE ROYAL SOCIETY INTERFACE
卷 6, 期 -, 页码 S747-S755出版社
ROYAL SOC
DOI: 10.1098/rsif.2009.0228.focus
关键词
airborne disease; cross-infection; ventilated spaces; room air distribution; indoor environment
We protect ourselves from airborne cross-infection in the indoor environment by supplying fresh air to a room by natural or mechanical ventilation. The air is distributed in the room according to different principles: mixing ventilation, displacement ventilation, etc. A large amount of air is supplied to the room to ensure a dilution of airborne infection. Analyses of the flow in the room show that there are a number of parameters that play an important role in minimizing airborne cross-infection. The air flow rate to the room must be high, and the air distribution pattern can be designed to have high ventilation effectiveness. Furthermore, personalized ventilation may reduce the risk of cross-infection, and in some cases, it can also reduce the source of infection. Personalized ventilation can especially be used in hospital wards., aircraft cabins and, in general, where people are in fixed positions.
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