Talib Dbouk,Dimitris Drikakis
Talib Dbouk
The impact of air ventilation systems on airborne virus transmission (AVT), and aerosols in general, in confined spaces is not yet understood. The recent pandemic has made it crucial to understand the limitations of ventilation systems rega...
Direct numerical simulation of the turbulent flow generated during a violent expiratory event [0.03%]
一次剧烈呼气事件产生湍流的直接数值模拟
Alexandre Fabregat,Ferran Gisbert,Anton Vernet et al.
Alexandre Fabregat et al.
A main route for SARS-CoV-2 (severe acute respiratory syndrome coronavirus) transmission involves airborne droplets and aerosols generated when a person talks, coughs, or sneezes. The residence time and spatial extent of these virus-laden a...
Transmission and evaporation of cough droplets in an elevator: Numerical simulations of some possible scenarios [0.03%]
电梯中咳嗽飞沫的传播与蒸发：一些可能场景的数值模拟
Nirvik Sen
Nirvik Sen
As the world learns to live with COVID-19 and activities/business open up, the use of elevators becomes frequent. A pertinent question is what happens if someone accidentally coughs inside the elevator. In this work, a three dimensional Eul...
Airborne transmission of virus-laden aerosols inside a music classroom: Effects of portable purifiers and aerosol injection rates [0.03%]
带有病毒的气溶胶在音乐教室内的空气传播：便携式净化器和气溶胶注射率的影响
Sai Ranjeet Narayanan,Suo Yang
Sai Ranjeet Narayanan
The ongoing COVID-19 pandemic has shifted attention to the airborne transmission of exhaled droplet nuclei within indoor environments. The spread of aerosols through singing and musical instruments in music performances has necessitated pre...
Probability of COVID-19 infection by cough of a normal person and a super-spreader [0.03%]
普通人群和超级传播者咳嗽感染新型冠状病毒的概率
Amit Agrawal,Rajneesh Bhardwaj
Amit Agrawal
In this work, we estimate the probability of an infected person infecting another person in the vicinity by coughing in the context of COVID-19. The analysis relies on the experimental data of Simha and Rao ["Universal trends in human cough...
Relationship between human exhalation diffusion and posture in face-to-face scenario with utterance [0.03%]
交谈发声的情景下人体呼气扩散与姿态的关系研究
Keiko Ishii,Yoshiko Ohno,Maiko Oikawa et al.
Keiko Ishii et al.
Because of the COVID-19, the world has been affected significantly. Not only health and medical problems but also the decline in life quality and economic activity due to the suspension of social activities cannot be disregarded. It is assu...
Numerical study of virus transmission through droplets from sneezing in a cafeteria [0.03%]
关于打喷嚏引起餐厅内病毒扩散的数值研究
Liangyu Wu,Xiangdong Liu,Feng Yao et al.
Liangyu Wu et al.
To provide a comprehensive understanding of virus transmission inside small indoor spaces, numerical simulation of sneezing droplets spreading in a cafeteria is conducted through computational fluid dynamics. The numerical results show that...
SARS COV-2 virus-laden droplets coughed from deep lungs: Numerical quantification in a single-path whole respiratory tract geometry [0.03%]
带有SARS-COV-2病毒的深肺咳嗽液滴：单路径整个呼吸道几何结构中的数值量化
Xiuhua April Si,Mohamed Talaat,Jinxiang Xi
Xiuhua April Si
When an infected person coughs, many virus-laden droplets will be exhaled out of the mouth. Droplets from deep lungs are especially infectious because the alveoli are the major sites of coronavirus replication. However, their exhalation fra...
Simulation-based study of COVID-19 outbreak associated with air-conditioning in a restaurant [0.03%]
基于模拟的餐饮场所空调相关新冠肺炎疫情研究
Han Liu,Sida He,Lian Shen et al.
Han Liu et al.
COVID-19 has shown a high potential of transmission via virus-carrying aerosols as supported by growing evidence. However, detailed investigations that draw direct links between aerosol transport and virus infection are still lacking. To fi...
Estimating COVID-19 exposure in a classroom setting: A comparison between mathematical and numerical models [0.03%]
基于数学模型和数值模型的课堂环境中COVID-19暴露评估比较研究
Aaron Foster,Michael Kinzel
Aaron Foster
The COVID-19 pandemic has driven numerous studies of airborne-driven transmission risk primarily through two methods: Wells-Riley and computational fluid dynamics (CFD) models. This effort provides a detailed comparison of the two methods f...