Effects of gravity and surface tension on steady microbubble propagation in asymmetric bifurcating airways [0.03%]
重力和表面张力对不对称气管分支中稳态微气泡传播的影响
Bacha Munir,Yong Xu
Bacha Munir
Mechanical ventilation is nowadays a well-developed, safe, and necessary strategy for acute respiratory distress syndrome patients to survive. However, the propagation of microbubbles in airway bifurcations during mechanical ventilation mak...
Krishnendu Sinha,Mani Shankar Yadav,Utkarsh Verma et al.
Krishnendu Sinha et al.
Air-borne transmission can pose a major risk of infection spread in enclosed spaces. Venting the air out using exhaust fans and ducts is a common approach to mitigate the risk. In this work, we study the air flow set up by an exhaust fan in...
SARS-CoV-2 transmission in classroom settings: Effects of mitigation, age, and Delta variant [0.03%]
课堂环境中的SARS-CoV-2传播：缓解措施、年龄和Delta变异体的影响
Aaron Foster,Michael Kinzel
Aaron Foster
Traditional, in-person classroom settings have been limited during the COVID-19 pandemic due to their potential to transmit severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) among students, teachers, and other educational workers...
Study of the interactions of sneezing droplets with particulate matter in a polluted environment [0.03%]
污染环境中喷嚏液滴与颗粒物相互作用的研究
Prasenjit Dey,Sandip K Saha,Sandip Sarkar
Prasenjit Dey
We have performed a three-dimensional numerical simulation to determine the effect of local atmospheric pollution level on the spreading characteristics of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus through eject...
Prateek Bahl,Charitha de Silva,C Raina MacIntyre et al.
Prateek Bahl et al.
Respiratory infections transmit through droplets and aerosols generated by the infected individual during respiratory emissions. It is essential to study the flow dynamics of these emissions to develop strategies for mitigating the risk of ...
Evaluating a transparent coating on a face shield for repelling airborne respiratory droplets [0.03%]
评估面罩上的透明涂层以排斥气溶胶飞沫的能力
Bibek Kumar,Sanghamitro Chatterjee,Amit Agrawal et al.
Bibek Kumar et al.
A face shield is an important personal protective equipment to avoid the airborne transmission of COVID-19. We assess a transparent coating on a face shield that repels airborne respiratory droplets to mitigate the spread of COVID-19. The s...
Challenges in simulating and modeling the airborne virus transmission: A state-of-the-art review [0.03%]
模拟和建模空气传播病毒的挑战：现代综述
Farzad Pourfattah,Lian-Ping Wang,Weiwei Deng et al.
Farzad Pourfattah et al.
Recently, the COVID-19 virus pandemic has led to many studies on the airborne transmission of expiratory droplets. While limited experiments and on-site measurements offer qualitative indication of potential virus spread rates and the level...
Two-dimensional mathematical framework for evaporation dynamics of respiratory droplets [0.03%]
呼吸飞沫蒸发动力学的二维数学框架
Sreeparna Majee,Abhishek Saha,Swetaprovo Chaudhuri et al.
Sreeparna Majee et al.
In majority of pandemics in human history, respiratory bio-aerosol is the most common route of transmission of diseases. These tiny droplets ejected through mouth and nose from an infected person during exhalation process like coughing, sne...
Multi-population analysis of the Cuban SARS-CoV-2 epidemic transmission before and during the vaccination process [0.03%]
古巴在疫苗接种前后多人群体的SARS-CoV-2流行病传输分析
D Guinovart-Sanjuán,R Guinovart-Díaz,K Vajravelu et al.
D Guinovart-Sanjuán et al.
In this work, several mathematical models for the spread of viruses and diseases are presented. In particular, the work focuses on the coronavirus disease 2019 (COVID-19) pandemic. A multi-population model is presented for the study of the ...
Particle leakage through the exhalation valve on a face mask under flow conditions mimicking human breathing: A critical assessment [0.03%]
呼吸条件下口罩呼气阀的颗粒泄漏：一项关键评估
Yeeun Kang,Jooyeon Park,Hyungmin Park
Yeeun Kang
In today's era of active personal protections against airborne respiratory disease, general interest in the multiphase flow physics underlying face masks is greater than ever. The exhalation valves, installed on some masks to mitigate the b...