The role of air conditioning in the diffusion of Sars-CoV-2 in indoor environments: A first computational fluid dynamic model, based on investigations performed at the Vatican State Children's hospital.
Luca Borro,Lorenzo Mazzei,Massimiliano Raponi,Prisco Piscitelli,Alessandro Miani,Aurelio Secinaro +5 more
TLDR
CFD-based simulations for indoor environment can be useful to optimize air conditioning flow and to predict the contagion risk both in hospitals/ambulatories and in other public/private settings.About:
This article is published in Environmental Research.The article was published on 2021-02-01 and is currently open access. It has received 67 citations till now. The article focuses on the topics: Ventilation (architecture) & HVAC.read more
Citations
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Air quality changes in cities during the COVID-19 lockdown: A critical review.
TL;DR: In this paper, a critical review of scientific articles, published from January 2020 to December 2020 across the globe, is presented to provide further insights into air quality, and the policy implications of their review in the context of global air quality improvement.
Journal ArticleDOI
Airborne transmission of SARS-CoV-2 in indoor environments: A comprehensive review
Jialei Shen,Meng Kong,Meng Kong,Bing Dong,Michael J. Birnkrant,Jianshun Zhang,Jianshun Zhang +6 more
TL;DR: In this article, there has been substantial evidence supporting the airborne transmission of SARS-CoV-2, which caused millions of deaths and great economic loss globally, and the Airborne route has been...
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Addressing COVID-19 contagion through the HVAC systems by reviewing indoor airborne nature of infectious microbes: Will an innovative air recirculation concept provide a practical solution?
TL;DR: In this paper, the authors have reviewed the literature to demonstrate, by investigating the historical and present circumstances, that indoor spread of infectious diseases may be assisted by the conditions of the HVAC systems and have recommended innovative air circulation concept supported by the use of UVGI in combination with nanoporous air filter to combat the spread of SARS-CoV-2 and other harmful microbes in enclosed spaces.
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A critical review of heating, ventilation, and air conditioning (HVAC) systems within the context of a global SARS-CoV-2 epidemic.
TL;DR: In this article, the authors contribute to the design of existing HVAC systems in terms of their suitability and impact on the spread of the hybrid SARS-CoV-2 epidemic, as well as efforts to obtain a highly efficient air filter to remove super-sized particles for protection against epidemic infection.
References
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Book
Aerosol Technology : Properties, Behavior, and Measurement of Airborne Particles
TL;DR: Properties of Gases Uniform Particle Motion Particle size Statistics Straight-Line Acceleration and Curvilinear Particle motion Adhesion of Particles Brownian Motion and Diffusion Thermal and Radiometric Forces Filtration Sampling and Measurement of Concentration Respiratory Deposition Coagulation Condensation and Evaporation Atmospheric Aerosols Electrical Properties Optical Properties Bulk Motion of aerosols Dust Explosions Bioaerosols Microscopic measurement of Particle Size Production of Test aerosols Appendices Index Index
Book
Aerosol technology : properties, behavior, and measurement of airborne particles
TL;DR: Aerosol Technology, Second Edition as mentioned in this paper is the #1 guide to aerosol science and technology and has been the text of choice among students and professionals who need to acquire a thorough working knowledge of modern aerosol theory and applications.
Journal ArticleDOI
Aerodynamic analysis of SARS-CoV-2 in two Wuhan hospitals.
Yuan Liu,Zhi Ning,Yu Chen,Ming Guo,Yingle Liu,Nirmal Kumar Gali,Li Sun,Yusen Duan,Jing Cai,Dane Westerdahl,Xinjin Liu,Ke Xu,Kin Fai Ho,Haidong Kan,Qingyan Fu,Ke Lan +15 more
TL;DR: It is proposed that room ventilation, open space, sanitization of protective apparel, and proper use and disinfection of toilet areas can effectively limit the concentration of SARS-CoV-2 RNA in aerosols, although the infectivity of the virus RNA was not established in this study.
Journal ArticleDOI
The size and the duration of air-carriage of respiratory droplets and droplet-nuclei
TL;DR: Calculations made on the basis of the size distributions obtained in this investigation indicated that few of the smaller droplets, and thusfew of the droplet-nuclei, are likely to contain pathogenic organisms.
Journal ArticleDOI
Airborne Transmission Route of COVID-19: Why 2 Meters/6 Feet of Inter-Personal Distance Could Not Be Enough.
Leonardo Setti,Fabrizio Passarini,Gianluigi de Gennaro,Pierluigi Barbieri,Maria Grazia Perrone,Massimo Borelli,Jolanda Palmisani,Alessia Di Gilio,Prisco Piscitelli,Alessandro Miani +9 more
TL;DR: On-field studies carried out inside Wuhan Hospitals showed the presence of SARS-COV-2 RNA in air samples collected in the hospitals and also in the surroundings, leading to the conclusion that the airborne route has to be considered an important pathway for viral diffusion.
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Airborne transmission of SARS-CoV-2: The world should face the reality.
Lidia Morawska,Junji Cao +1 more