N95 respirator mask breathing leads to excessive carbon dioxide inhalation and reduced heat transfer in a human nasal cavity [0.03%]
佩戴N95呼吸器口罩会导致人体鼻腔二氧化碳吸入过量和热传递减少
Hana Salati,Mehrdad Khamooshi,Sara Vahaji et al.
Hana Salati et al.
Face masks and respirators are used to filter inhaled air, which may contain airborne droplets and high particulate matter (PM) concentrations. The respirators act as a barrier to the inhaled and exhaled air, which may change the nasal airf...
How severe acute respiratory syndrome coronavirus-2 aerosol propagates through the age-specific upper airways [0.03%]
严重急性呼吸系统综合症冠状病毒-2如何通过不同年龄组的上呼吸道传播
Mohammad S Islam,Puchanee Larpruenrudee,Suvash C Saha et al.
Mohammad S Islam et al.
The recent outbreak of the COVID-19 causes significant respirational health problems, including high mortality rates worldwide. The deadly corona virus-containing aerosol enters the atmospheric air through sneezing, exhalation, or talking, ...
Size-resolved spatial distribution analysis of aerosols with or without the utilization of a novel aerosol containment device in dental settings [0.03%]
含与不含新型气溶胶封控装置的人工口腔医疗环境中颗粒物的粒径分布特征研究
Fernando Luis Esteban Florez,Tyler Thibodeau,Toluwanimi Oni et al.
Fernando Luis Esteban Florez et al.
The coronavirus disease 2019 pandemic has imposed unprecedented occupational challenges for healthcare professionals. In dentistry, handheld instruments such as air and electric handpieces, ultrasonic scalers, and air/water syringes are cap...
Numerical investigation of respiratory drops dynamics released during vocalization [0.03%]
发声过程中呼吸飞沫动力学的数值研究
C Peña-Monferrer,S Antao,R Manson-Sawko
C Peña-Monferrer
Release of drops from a human body has been the focus of many recent investigations because of the current COVID-19 pandemic. Indirect virus transmission from asymptomatic individuals has been proved to be one of the major infectious routes...
Three-dimensional simulation of clouds of multi-disperse evaporating saliva droplets in a train cabin [0.03%]
考虑蒸发的多分散唾液液滴三维数值模拟及其在高铁客舱内的应用研究
M Visone,M Lanzetta,M Lappa et al.
M Visone et al.
In line with recent ongoing efforts to collect crucial information about the mechanisms of virus diffusion and put them in relation to the effective complexity of the several natural or artificial environments where human beings leave and o...
Dario Maggiolo,Srdjan Sasic
Dario Maggiolo
We investigate, by means of pore-scale lattice Boltzmann simulations, the mechanisms of interception of respiratory droplets within fibrous porous media composing face masks. We simulate the dynamics, coalescence, and collection of droplets...
Paul S Hammond
Paul S Hammond
Lubrication theory is used to investigate how weakly bound particles can be transported away from the vicinity of the wall when two spatially periodic rough surfaces are sheared relative to one another at constant velocity U while immersed ...
Mitigating exhalation puffs during oxygen therapy for respiratory disease [0.03%]
减轻呼吸道疾病氧气治疗过程中患者的呼吸气流影响
Arshad Kudrolli,Brian Chang,Jade Consalvi et al.
Arshad Kudrolli et al.
We investigate the dispersal of exhalations corresponding to a patient experiencing shortness of breath while being treated for a respiratory disease with oxygen therapy. Respiration through a nasal cannula and a simple O2 mask is studied u...
Sanghamitro Chatterjee,Janani Srree Murallidharan,Amit Agrawal et al.
Sanghamitro Chatterjee et al.
COVID (CoronaVirus Disease)-19, caused by severe acute respiratory syndrome-CoronaVirus-2 (SARS-CoV-2) virus, predominantly transmits via airborne route, as highlighted by recent studies. Furthermore, recently published titer measurements o...
Fluid dynamics of respiratory droplets in the context of COVID-19: Airborne and surfaceborne transmissions [0.03%]
新冠肺炎背景下呼吸飞沫的流体动力学研究：空气传播与接触传播
Pallavi Katre,Sayak Banerjee,Saravanan Balusamy et al.
Pallavi Katre et al.
The World Health Organization has declared COVID-19 a global pandemic. Several countries have experienced repeated periods of major spreading over the last two years. Many people have lost their lives, employment, and the socioeconomic situ...