<p>In the current year, acute infectious respiratory syndrome (SARS-CoV-2) has become a huge concern worldwide, spreading rapidly by various means -primarily by coughing, sneezing or other bodily fluid excretion- due to the catastrophic impact on human wellbeing and economy, it is crucial to study and control the spread. Carried out in Ansys Fluent, multiple 3D-Simulations of cough flow with various ambient conditions are performed. Discrete phase and Species model are activated to study the behavior of droplet, their effects on the continuous phase (Air) and vice versa, various droplet size distribution -range (10-700 𝜇𝑚 )- is considered via Rosin-Rammler mathematical model.&nbsp;RNG k-𝜀 model is used to model turbulence. Analyzing The droplet trajectory and dispersion&nbsp;process and their dependence on droplet diameter are also investigated.</p><p>The study is to numerically investigate the dispersion and the dynamic behavior of infectious droplet a in closed environment, how far their reach, and how long they will be suspended in air. The study is also to test and verify the WHO rules regarding distancing. The results can be used to develop guidance to be applied to&nbsp;various indoor environment, such as clinics, classroom, etc.,&nbsp;for preventive efforts to stop or minimize the transmission of the disease.</p>

CFD Simulation of COVID Aerosol Dispersion in Indoor Environments

Paper Proceedings: https://asmedigitalcollection.asme.org/FEDSM/FEDSM2021/volume/85284

ASME 2021 Fluids Engineering Division Summer Meeting (FEDSM2021)

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