Journal
PHYSICS OF FLUIDS
Volume 33, Issue 10, Pages -Publisher
AIP Publishing
DOI: 10.1063/5.0064115
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This study investigates the optimal design of indoor air purifiers for eliminating airborne viruses using computational fluid dynamics modeling and simulations. The research shows that the local positioning of a purifier and the embedded fan system can significantly alter the indoor airborne virus transmission risk. Additionally, a new indoor air circulation system is proposed to better ensure the local orientation of airborne viruses in indoor spaces.
Air purifiers are limited to small polluting airborne particles and poor air circulation (fan) for bringing airborne particles inside the device. Thus, the optimal utility of domestic air purifiers (DAPs) for eliminating airborne viruses is still ambiguous. This paper addresses the above limitations using computational fluid dynamics modeling and simulations to investigate the optimal local design of a DAP in an indoor space. We also investigate the integrated fan system and the local transport of airborne viruses. Three different scenarios of using standard DAP equipment ( 144 m 3 / h) are explored in an indoor space comprising a furnished living room 6 x 6 x 2.5 m 3. We show that the local positioning of a purifier indoors and the fan system embedded inside it can significantly alter the indoor airborne virus transmission risk. Finally, we propose a new indoor air circulation system that better ensures indoor airborne viruses' local orientation more efficiently than a fan embedded in a standard DAP.
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