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Evaluation on Air Purifier's Performance in Reducing the Concentration of Fine Particulate Matter for Occupants according to its Operation Methods.
International Journal of Environmental Research and Public Health ( IF 4.614 ) Pub Date : 2020-08-01 , DOI: 10.3390/ijerph17155561
Hyungyu Park 1 , Seonghyun Park 2 , Janghoo Seo 3
Affiliation  

Fine particulate matter entering the body through breathing cause serious damage to humans. In South Korea, filter-type air purifiers are used to eliminate indoor fine particulate matter, and there has been a broad range of studies on the spread of fine particulate matter and air purifiers. However, earlier studies have not evaluated an operating method of air purifiers considering the inflow of fine particulate matter into the body or reduction performance of the concentration of fine particulate matter. There is a limit to controlling the concentration of fine particulate matter of the overall space where an air purifier is fixed in one spot as the source of indoor fine particulate matter is varied. Accordingly, this study analyzed changes in the concentration of indoor fine particulate matter through an experiment according to the discharging method and location of a fixed air purifier considering the inflow route of fine particulate matter into the body and their harmfulness. The study evaluated the purifiers’ performance in reducing the concentration of fine particulate matter in the occupants’ breathing zone according to the operation method in which a movable air purifier responds to the movement of occupants. The results showed the concentration of fine particulate matter around the breathing zone of the occupants had decreased by about 51 μg/m3 compared to the surrounding concentration in terms of the operating method in which an air purifier tracks occupants in real-time, and a decrease of about 68 μg/m3 in terms of the operating method in which an air purifier controls the zone. On the other hand, a real-time occupant tracking method may face a threshold due to the moving path of an air purifier and changes in the number of occupants. A zone controlling method is deemed suitable as an operating method of a movable air purifier to reduce the concentration of fine particulate matter in the breathing zone of occupants.

中文翻译:

根据空气净化器的操作方法,对降低乘员细颗粒物浓度的性能进行评估。

细小颗粒物质通过呼吸进入人体,会对人体造成严重伤害。在韩国,过滤器型空气净化器用于消除室内细颗粒物,并且对细颗粒物和空气净化器的扩散进行了广泛的研究。然而,较早的研究尚未考虑到细颗粒物质流入人体或降低细颗粒物质浓度的性能来评估空气净化器的操作方法。随着室内细颗粒物来源的变化,控制将空气净化器固定在一个位置的整个空间的细颗粒物的浓度受到限制。因此,这项研究通过一项实验,根据排放方法和固定式空气净化器的位置,分析了室内细颗粒物浓度的变化,其中考虑了细颗粒物流入人体的途径及其危害。该研究根据可移动空气净化器响应乘员运动的操作方法,评估了净化器在减少乘员呼吸区域中细颗粒物浓度方面的性能。结果表明,乘员呼吸区域周围的细颗粒物浓度降低了约51μg/ m 该研究根据可移动空气净化器响应乘员运动的操作方法,评估了净化器在减少乘员呼吸区域中细颗粒物浓度方面的性能。结果表明,乘员呼吸区域周围的细颗粒物浓度降低了约51μg/ m 该研究根据可移动空气净化器响应乘员运动的操作方法,评估了净化器在减少乘员呼吸区域中细颗粒物浓度方面的性能。结果表明,乘员呼吸区域周围的细颗粒物浓度降低了约51μg/ m3相比,在操作方法方面的周围浓度在其中的空气净化器的轨道乘员实时,和大约68微克/ m的减少3中的操作方法的方面,其中一个空气净化器的控制的区域。另一方面,由于空气净化器的移动路径和乘员数量的变化,实时乘员跟踪方法可能面临阈值。区域控制方法被认为适合作为可移动空气净化器的操作方法,以减少乘员的呼吸区域中的细颗粒物质的浓度。
更新日期:2020-08-01
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