Airborne infection risk in venues with different ventilation strategies - comparison between experimental, numerical and analytical approaches
Geisler, M.; Lausch, K. H.; Hehnen, F.; Schulz, I.; Kertzscher, U.; Kriegel, M.; Paschereit, C. O.; Schimek, S.; Hasirci, U.; Brockmann, G.; Moter, A.; Senftleben, K.; Moritz, S.
Show abstract
The COVID-19 pandemic demonstrated that reliable risk assessment of venues is still challenging and resulted in the indiscriminate closure of many venues worldwide. Therefore, this study used an experimental, numerical and analytical approach to investigate the airborne transmission risk potential of differently ventilated, sized and shaped venues. The data were used to assess the effect size of different mitigation measures and to develop recommendations. In general, positions in the near field of an emission source were at high risk in all ventilation systems studied, while the risk of infection from positions in the far field varied depending on the ventilation strategy. Occupancy rate, airflow rate, residence time, SARS-CoV-2 virus variants, a high activity level and face masks affected the individual and total infection risk in all venues. The total infection risk was lowest for the displacement ventilation case and highest for the naturally ventilated venue. Therefore, in our study, a properly designed displacement ventilation system is the most effective ventilation strategy to keep airborne transmission and the number of secondary cases low, compared to mixing or natural ventilation.
Matching journals
The top 6 journals account for 50% of the predicted probability mass.
Similar papers in this journal
- Modeling of aerosol transmission of airborne pathogens in ICU rooms of COVID-19 patients with acute respiratory failure 97%
- Aerosol emission rates from playing wind instruments – Implications for COVID-19 transmission during music performance 96%
- Computational Fluid Dynamics Modeling of Cough Transport in an Aircraft Cabin 96%
Similar papers in this journal
- Model Calculations of Aerosol Transmission of COVID-19 and Infection Risk in Indoor Environments 97%
- Experimental efficacy of the face shield and the mask against emitted and potentially received particles 95%
- The impact of large mobile air purifiers on aerosol concentration in classrooms and the reduction of airborne transmission of SARS-CoV-2 95%
Similar papers in this journal
- Reduction of exposure to simulated respiratory aerosols using ventilation, physical distancing, and universal masking 96%
- Comparison of three air samplers for the collection of four nebulized respiratory viruses 94%
- Aerosol and bioaerosol particle size and dynamics from defective sanitary plumbing systems 94%
Similar papers in this journal
Similar papers in this journal
"Similar papers" are the closest papers from that journal in the model's embedding space. They show what the match is built on, but the ranking comes mostly from a classifier over the whole training set, not from these examples alone.