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박한준(Han June Park),이성광(Sung-Gwang Lee),오정석(Jeong Suk Oh),Steven Barrett,황원태(Wontae Hwang) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
After the World Health Organization (WHO) proclamation of the Severe Acute Respiratory Syndrome-2 (SARS-Cov-2) as a pandemic in 2020, there have been various efforts on establishing the correlation between temperature and humidity on the spread of COVID-19. However, worldwide consensus has not yet been established. The cause of this is that the indoor environment in which virus transmission occurs is not considered, and there is also a lack of physical understanding of droplet evaporation with temperature and humidity. Therefore, in this study, we examine actual droplet dynamics by first measuring droplet evaporation within a constant temperature and humidity environmental chamber. Based on this experiment, simulations were conducted to estimate the effects of temperature and humidity on droplet dispersion. Our results showed that there was no significant correlation between temperature, but that high humidity greatly helps in suppressing virus transmission via respiratory droplets.