High energy efficiency ventilation to limit COVID-19 contagion in school environments

Schibuola, Luigi; Tambani, Chiara

doi:10.1016/j.enbuild.2021.110882

Cited by 100 publications

(73 citation statements)

References 39 publications

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“…Therefore, other measures need to be implemented that allow for interaction in indoor atmospheres under restrictive scenarios, i.e., ventilation and CO 2 measurement. For instance, Schiobula et al [7] explained how monitoring CO 2 and ventilation could be used to reduce the risk of COVID-19 contagion in indoor school environments.…”

Section: Introductionmentioning

confidence: 99%

Natural Ventilation Characterization in a Classroom under Different Scenarios

Chillón

Millan

Aramendia

et al. 2021

IJERPH

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The COVID-19 pandemic has pointed to the need to increase our knowledge in fields related to human breathing. In the present study, temperature, relative humidity, carbon dioxide (CO2) concentration, and median particle size diameter measurements were taken into account. These parameters were analyzed in a computer classroom with 15 subjects during a normal 90-minute class; all the subjects wore surgical masks. For measurements, Arduino YUN, Arduino UNO, and APS-3321 devices were used. Natural ventilation efficiency was checked in two different ventilation scenarios: only windows open and windows and doors open. The results show how ventilation affects the temperature, CO2 concentration, and median particle diameter size parameters. By contrast, the relative humidity depends more on the outdoor meteorological conditions. Both ventilation scenarios tend to create the same room conditions in terms of temperature, humidity, CO2 concentration, and particle size. Additionally, the evolution of CO2 concentration as well as the particle size distribution along the time was studied. Finally, the particulate matter (PM2.5) was investigated together with particle concentration. Both parameters showed a similar trend during the time of the experiments.

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Section: Introductionmentioning

confidence: 99%

Natural Ventilation Characterization in a Classroom under Different Scenarios

Chillón

Millan

Aramendia

et al. 2021

IJERPH

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“…As coronavirus is a respiratory syndrome, it appears that its diffusion is mainly airborne. For this reason, increasing ventilation rates in indoor environments appears as a viable and effective strategy to contain COVID-19 contagion (Schibuola & Tambani, 2021b). Cleaning rates are also increased, and hygiene (hand washing, use of disposable tissues) is encouraged especially for younger ages' pupils.…”

Section: Health Related Effectsmentioning

confidence: 99%

“…Recent researches show that increasing ventilation rates can help in containing contagion in indoor environments (Schibuola & Tambani, 2021b). The contagion appears to be strictly related to the users' proximity and sharing of a common space, whether transition spaces such as corridors appear to be less relevant.…”

Section: Ventilationmentioning

confidence: 99%

“…Research interest towards the pandemic has been understandably increasing since spring 2020, including all research sectors and not limiting to health-related aspects. In architecture and construction sector, the main areas of investigation are linked to urban design, cities and urban health, proposing general guidelines or considerations focusing on public spaces and city scale (Capolongo et al, 2020;Cristina et al, 2020), analysing the virus spread in indoor environments and evaluating potential solutions (Dietz et al, 2020;Megahed & Ghoneim, 2020), focusing in some cases on the role of HVAC in virus spread in enclosed spaces (Morawska et al, 2020;Schibuola & Tambani, 2021a).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

EUBIM2021. International BIM EUBIM-2021. 10º Encuentro de usuarios BIM

Faubel¹,

Giner²

2021

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“…Other works [5,6] focus on the need for rethinking the HVAC system to provide fresh air intake in building without compromising the energy efficiency and the risk of airborne transmissions, while ensuring thermal comfort.…”

Section: Introductionmentioning

confidence: 99%

How pandemic affects occupants’ buildings perception: questionnaires investigation and preliminary results

Nardi

Palladino

2021

E3S Web Conf.

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The COVID-19 pandemic has changed the living habits all over the world. Countries experienced multiple lockdowns, causing offices, restaurants, school and almost all the economic activities to close. The saying “stay home stay safe”, to which we were invited for preventing the virus spread, and the rise of smart-working, lead to an exponential increase in the time spent in our homes. In this sense, the way to live our homes has changed. Spaces and rooms that (before pandemic) were occupied for just a few hours a day, have become the main places for studying, working, playing or even have fitness. More than ever, people had to face the energy related problems of their house: air leakages, energy losses, expensive billings, and thermal discomfort. This study arises from considerations on buildings use after the pandemic, and it addresses the consequences of COVID-19 to building perception. Anonymous questionnaires were proposed broad wide, asking through a multi-stage survey to compare the feeling before and after the pandemic, also in comparison to the billing of the energy carriers. Results have been analysed, showing how the pandemic has changed the living perception.

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High energy efficiency ventilation to limit COVID-19 contagion in school environments

Abstract: Graphical abstract

Cited by 100 publications

References 39 publications

Natural Ventilation Characterization in a Classroom under Different Scenarios

Natural Ventilation Characterization in a Classroom under Different Scenarios

EUBIM2021. International BIM EUBIM-2021. 10º Encuentro de usuarios BIM

How pandemic affects occupants’ buildings perception: questionnaires investigation and preliminary results

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