Autors: Melikov, A.K., Ai, Z. T., Markov, D. G.
Title: Intermittent occupancy combined with ventilation: An efficient strategy for the reduction of airborne transmission indoors
Keywords: Airborne transmissionCOVID-19Control measuresVentilationSour

Abstract: It is important that efficient measures to reduce the airborne transmission of respiratory infectious diseases (including COVID-19) should be formulated as soon as possible to ensure a safe easing of lockdown. Ventilation has been widely recognized as an efficient engineering control measure for airborne transmission. Room ventilation with an increased supply of clean outdoor air could dilute the expiratory airborne aerosols to a lower concentration level. However, sufficient increase is beyond the capacity of most of the existing mechanical ventilation systems that were designed to be energy efficient under non-pandemic conditions. We propose an improved control strategy based on source control, which would be achieved by implementing intermittent breaks in room occupancy, specifically that all occupants should leave the room periodically and the room occupancy time should be reduced as much as possible. Under the assumption of good mixing of clean outdoor supply air with room air, t

References

    Issue

    Science of the Total Environment, vol. 744, issue 20, pp. Article number: 140908, 2020, Netherlands, Elsevier, https://doi.org/10.1016/j.scitotenv.2020.140908

    Цитирания (Citation/s):
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    Вид: статия в списание, публикация в издание с импакт фактор, публикация в реферирано издание, индексирана в Scopus