Effect of Train-Induced Wind on the Transmission of COVID-19: A New Insight into Potential Infectious Risks

Simin Zou and Xuhui He
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Simin Zou: School of Civil Engineering, Central South University, Changsha 410075, China
Xuhui He: School of Civil Engineering, Central South University, Changsha 410075, China

IJERPH, 2021, vol. 18, issue 15, 1-17

Abstract: The unprecedented COVID-19 pandemic has caused a traffic tie-up across the world. In addition to home quarantine orders and travel bans, the social distance guideline of about six feet was enacted to reduce the risk of contagion. However, with recent life gradually returning to normal, the crisis is not over. In this research, a moving train test and a Gaussian puff model were employed to investigate the impact of wind raised by a train running on the transmission and dispersion of SARS-CoV-2 from infected individuals. Our findings suggest that the 2 m social distance guideline may not be enough; under train-induced wind action, human respiratory disease-carrier droplets may travel to unexpected places. However, there are deficiencies in passenger safety guidelines and it is necessary to improve the quantitative research in the relationship between train-induced wind and virus transmission. All these findings could provide a fresh insight to contain the spread of COVID-19 and provide a basis for preventing and controlling the pandemic virus, and probe into strategies for control of the disease in the future.

Keywords: high-speed train; train-induced wind; COVID-19; moving model test; Gaussian puff model (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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