Xiaoliang Shao,Xianting Li
Xiaoliang Shao
The infection risks of Biden, Wallace, and the audience by Trump and the first lady were assessed during the first presidential debate. The debate scene was established numerically, and two cases, i.e., only Trump being infected and both Tr...
Hongying Li,Fong Yew Leong,George Xu et al.
Hongying Li et al.
The ongoing Covid-19 pandemic has focused our attention on airborne droplet transmission. In this study, we simulate the dispersion of cough droplets in a tropical outdoor environment, accounting for the effects of non-volatile components o...
A study of fluid dynamics and human physiology factors driving droplet dispersion from a human sneeze [0.03%]
关于人体打喷嚏驱散液滴的流体动力学和人体生理因素的研究
D Fontes,J Reyes,K Ahmed et al.
D Fontes et al.
Recent studies have indicated that COVID-19 is an airborne disease, which has driven conservative social distancing and widescale usage of face coverings. Airborne virus transmission occurs through droplets formed during respiratory events ...
An experimental study of respiratory aerosol transport in phantom lung bronchioles [0.03%]
气溶胶在仿真人肺小气道中的传输实验研究
Arnab Kumar Mallik,Soumalya Mukherjee,Mahesh V Panchagnula
Arnab Kumar Mallik
The transport and deposition of micrometer-sized particles in the lung is the primary mechanism for the spread of aerosol borne diseases such as corona virus disease-19 (COVID-19). Considering the current situation, modeling the transport a...
Flow visualization of an N95 respirator with and without an exhalation valve using schlieren imaging and light scattering [0.03%]
基于schlieren成像和光散射的带有和不带呼气阀的N95口罩气流观测研究
Matthew Staymates
Matthew Staymates
This work demonstrates the qualitative fluid flow characteristics of a standard N95 respirator with and without an exhalation valve. Schlieren imaging was used to compare an adult male breathing through an N95 respirator with and without a ...
Zhitong Chen,Gustavo Garcia Jr,Vaithilingaraja Arumugaswami et al.
Zhitong Chen et al.
Syndrome coronavirus 2 (SARS-CoV-2) infectious virions are viable on various surfaces (e.g., plastic, metals, and cardboard) for several hours. This presents a transmission cycle for human infection that can be broken by developing new inac...
Jung Y Lee,Peter A Kottke,Andrei G Fedorov
Jung Y Lee
Vortical jet flows in the Reynolds number (Re) range from 1000 to 3425 and swirl number (S) below 0.5, alone and in combination with suction through a small aperture, are experimentally investigated using optical visualization. Schlieren ph...
M A Kanso,J H Piette,J A Hanna et al.
M A Kanso et al.
Just 11 weeks after the confirmation of first infection, one team had already discovered and published [D. Wrapp et al., "Cryo-EM structure of the 2019-nCoV spike in the prefusion conformation," Science 367(6483), 1260-1263 (2020)] in exqui...
Aerosol persistence in relation to possible transmission of SARS-CoV-2 [0.03%]
与SARS-CoV-2潜在传播相关的气溶胶持久性
Scott H Smith,G Aernout Somsen,Cees van Rijn et al.
Scott H Smith et al.
Transmission of SARS-CoV-2 leading to COVID-19 occurs through exhaled respiratory droplets from infected humans. Currently, however, there is much controversy over whether respiratory aerosol microdroplets play an important role as a route ...
Numerical investigation of aerosol transport in a classroom with relevance to COVID-19 [0.03%]
与COVID-19相关的教室气溶胶传输的数值研究
Mohamed Abuhegazy,Khaled Talaat,Osman Anderoglu et al.
Mohamed Abuhegazy et al.
The present study investigates aerosol transport and surface deposition in a realistic classroom environment using computational fluid-particle dynamics simulations. Effects of particle size, aerosol source location, glass barriers, and win...