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Equivalent air change rate by upper room UVGI system
  • Bang, Jongil ;
  • Sung, Minki ;
  • Kim, Sunsook ;
  • Kato, Shunsuke
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dc.contributor.authorBang, Jongil-
dc.contributor.authorSung, Minki-
dc.contributor.authorKim, Sunsook-
dc.contributor.authorKato, Shunsuke-
dc.date.issued2018-01-01-
dc.identifier.urihttps://aurora.ajou.ac.kr/handle/2018.oak/36239-
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85105646273&origin=inward-
dc.description.abstractUR-UVGI (Upper Room Ultraviolet Germicidal Irradiation) systems can be used as an additional countermeasure of ventilation systems against airborne infectious diseases in healthcare-related buildings. In this study, an UR-UVGI system was evaluated using a novel CFD simulation method in a model room used in an experimental case. The results for several cases showed inactivation rate of 98.3 ~ 96.2% for airborne vaccinia virus in the steady state condition. Equivalent air change per hour (EACH) of the UR-UVGI system was 4.5 ~ 16.5 ACH in the decay condition. Heat boxes accelerated the inactivation of airborne virus by UR-UVGI. However, the discrepancy between simulation and experiment results was observed probably because of lack of the detailed experimental conditions.-
dc.description.sponsorshipThis research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2017R1D1A1B03033016)-
dc.language.isoeng-
dc.publisherInternational Society of Indoor Air Quality and Climate-
dc.subject.meshAir change rates-
dc.subject.meshAirborne virus-
dc.subject.meshCFD simulations-
dc.subject.meshExperimental conditions-
dc.subject.meshInfectious disease-
dc.subject.meshSteady-state condition-
dc.subject.meshUltraviolet germicidal irradiations-
dc.subject.meshVentilation systems-
dc.titleEquivalent air change rate by upper room UVGI system-
dc.typeConference-
dc.citation.conferenceDate2018.7.22. ~ 2018.7.27.-
dc.citation.conferenceName15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018-
dc.citation.edition15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018-
dc.citation.title15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018-
dc.identifier.bibliographicCitation15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018-
dc.identifier.scopusid2-s2.0-85105646273-
dc.subject.keywordACH-
dc.subject.keywordAirborne infection-
dc.subject.keywordCFD-
dc.subject.keywordUVGI-
dc.type.otherConference Paper-
dc.subject.subareaPollution-
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