The Effect of An Emergency Evacuation on the Spread of COVID19

被引：0

作者：

Butail, Sachit ^{[1
]}

Porfiri, Maurizio ^{[2
,3
,4
]}

机构：

[1] Northern Illinois Univ, Dept Mech Engn, De Kalb, IL 60115 USA

[2] NYU, Dept Mech & Aerosp Engn, Tandon Sch Engn, Brooklyn, NY 11201 USA

[3] NYU, Dept Biomed Engn, Tandon Sch Engn, Brooklyn, NY 11201 USA

[4] NYU, Ctr Urban Sci & Progress, Tandon Sch Engn, Brooklyn, NY 11201 USA

来源：

FRONTIERS IN PHYSICS | 2021年 / 8卷

基金：

美国国家科学基金会;

关键词：

COVID19; evacuation; aerosol; crowds; proximity;

D O I：

10.3389/fphy.2020.631264

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In an emergency evacuation, people almost always come in close proximity as they quickly leave a built environment under a potential threat. With COVID19, this situation presents yet another challenge: that of getting unintentionally exposed to an infected individual. To assess the epidemiological consequences of an emergency evacuation, we expanded a popular pedestrian dynamic model to enable social distancing during a normal exit and analyze the effect of possible transmission through respiratory droplets and aerosol. Computer simulations point to a troubling outcome, whereby the benefits of a quick exit could be outweighed by the risk of infection.

引用

页数：5

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