Effects of ventilation on the indoor spread of COVID-19.

Effects of ventilation on the indoor spread of COVID-19.
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DOI:
10.1017/jfm.2020.720
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发表时间:
2020-09-28
影响因子:
3.7
通讯作者:
Linden PF
Linden PF
中科院分区:
工程技术2区
文献类型:
--
作者:
Bhagat RK;Davies Wykes MS;Dalziel SB;Linden PF

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尽管SARS-CoV-2病毒空气传播的相对重要性存在争议,但越来越多的证据表明,了解气流对于估计感染COVID-19的风险很重要。迄今获得的数据表明,该病毒的室内传播远远超过室外传播,这可能是由于室内暴露时间较长以及湍流程度(因此扩散)降低所致。在本文中,我们讨论了建筑通风对空气中颗粒可能路径的作用,并研究了所涉及过程的流体力学。
Although the relative importance of airborne transmission of the SARS-CoV-2 virus is controversial, increasing evidence suggests that understanding airflows is important for estimation of the risk of contracting COVID-19. The data available so far indicate that indoor transmission of the virus far outstrips outdoor transmission, possibly due to longer exposure times and the decreased turbulence levels (and therefore dispersion) found indoors. In this paper we discuss the role of building ventilation on the possible pathways of airborne particles and examine the fluid mechanics of the processes involved.
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