Effect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms

This study investigated the effect of the under-floor air distribution (UFAD) system compared to conventional mixed-mode ventilation system to prevent airborne pathogen spread in elementary school. To analysis airborne pathogen spread pattern, STAR-CCM+ is used. By applying the UFAD system airborne...

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Autores principales:	Chang Heon Cheong, Beungyong Park, Seong Ryong Ryu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Under-floor air distribution Airborne pathogen Airborne infection Ventilation CFD simulation Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/4f8dec4f1c664c1ab4cf70b2bdc4988d
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id	oai:doaj.org-article:4f8dec4f1c664c1ab4cf70b2bdc4988d
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spelling	oai:doaj.org-article:4f8dec4f1c664c1ab4cf70b2bdc4988d2021-11-10T04:26:47ZEffect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms2214-157X10.1016/j.csite.2021.101641https://doaj.org/article/4f8dec4f1c664c1ab4cf70b2bdc4988d2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2214157X21008042https://doaj.org/toc/2214-157XThis study investigated the effect of the under-floor air distribution (UFAD) system compared to conventional mixed-mode ventilation system to prevent airborne pathogen spread in elementary school. To analysis airborne pathogen spread pattern, STAR-CCM+ is used. By applying the UFAD system airborne infection risk at region around the exhaust area of conventional ventilation system can be significantly reduced. However, increased infection risks around exhaust area of UFAD system still existed. Thus, it is recommended to install the exhaust vents (outlets) away from the breathing area. In addition, since both of conventional ventilation system and the UFAD systems have a high infection risk at the front of the classroom, novel method to reduce the infection risk from students to teachers should be considered.Chang Heon CheongBeungyong ParkSeong Ryong RyuElsevierarticleUnder-floor air distributionAirborne pathogenAirborne infectionVentilationCFD simulationEngineering (General). Civil engineering (General)TA1-2040ENCase Studies in Thermal Engineering, Vol 28, Iss , Pp 101641- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Under-floor air distribution Airborne pathogen Airborne infection Ventilation CFD simulation Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Under-floor air distribution Airborne pathogen Airborne infection Ventilation CFD simulation Engineering (General). Civil engineering (General) TA1-2040 Chang Heon Cheong Beungyong Park Seong Ryong Ryu Effect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms
description	This study investigated the effect of the under-floor air distribution (UFAD) system compared to conventional mixed-mode ventilation system to prevent airborne pathogen spread in elementary school. To analysis airborne pathogen spread pattern, STAR-CCM+ is used. By applying the UFAD system airborne infection risk at region around the exhaust area of conventional ventilation system can be significantly reduced. However, increased infection risks around exhaust area of UFAD system still existed. Thus, it is recommended to install the exhaust vents (outlets) away from the breathing area. In addition, since both of conventional ventilation system and the UFAD systems have a high infection risk at the front of the classroom, novel method to reduce the infection risk from students to teachers should be considered.
format	article
author	Chang Heon Cheong Beungyong Park Seong Ryong Ryu
author_facet	Chang Heon Cheong Beungyong Park Seong Ryong Ryu
author_sort	Chang Heon Cheong
title	Effect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms
title_short	Effect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms
title_full	Effect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms
title_fullStr	Effect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms
title_full_unstemmed	Effect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms
title_sort	effect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/4f8dec4f1c664c1ab4cf70b2bdc4988d
work_keys_str_mv	AT changheoncheong effectofunderfloorairdistributionsystemtopreventthespreadofairbornepathogensinclassrooms AT beungyongpark effectofunderfloorairdistributionsystemtopreventthespreadofairbornepathogensinclassrooms AT seongryongryu effectofunderfloorairdistributionsystemtopreventthespreadofairbornepathogensinclassrooms
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Effect of under-floor air distribution system to prevent the spread of airborne pathogens in classrooms

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