Experimental Device to Evaluate Aerosol Dispersion in Venues

Autor: Isabell Schulz, Felix Hehnen, Kevin Harry Lausch, Sophia Mareike Geisler, Ümit Hasirci, Sophia Wolff, Tim Rese, Sebastian Schimek, Michael Lommel, Christian Oliver Paschereit, Stefan Moritz, Martin Kriegel, Ulrich Kertzscher
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Applied Sciences, Vol 14, Iss 13, p 5601 (2024)
Druh dokumentu: article
ISSN: 2076-3417
DOI: 10.3390/app14135601
Popis: The COVID-19 pandemic has focused attention on the importance of understanding and mitigating the airborne transmission of pathogens in indoor environments. This study investigated the aerosol distribution in different indoor venues with varying ventilation concepts, including displacement, mixed, and natural ventilation. A measurement system was developed to investigate venue-specific aerosol distribution patterns using a sodium chloride solution as a tracer. To analyse the spatial dispersion of aerosols, Computational Fluid Dynamics (CFD) simulations were conducted in addition to experimental investigations. The investigations indicated the lowest aerosol load for the venue with displacement ventilation and the highest for the naturally ventilated venue. The measurement system developed in this study provides a useful tool for assessing the effectiveness of ventilation measures in reducing airborne transmission of pathogens in indoor environments. It also proved its wide range of applications, as it can be used in variously sized and shaped indoor environments, with or without an audience.
Databáze: Directory of Open Access Journals