典型文献
Geo-environmental parametric 3D models of SARS-CoV-2 virus circulation in hospital ventilation systems
文献摘要:
The novel coronavirus,SARS-CoV-2,has the potential to cause natural ventilation systems in hospital environments to be rendered inadequate,not only for workers but also for people who transit through these environments even for a limited duration.Studies in of the fields of geosciences and engineering,when combined with appropriate technologies,allow for the possibility of reducing the impacts of the SARS-CoV-2 virus in the environment,including those of hospitals which are critical centers for health-care.In this work,we build parametric 3D models to assess the possible circulation of the SARS-CoV-2 virus in the natural ventilation system of a hospital built to care infected patients during the COVID-19 pandemic.Building Information Modeling(BIM)was performed,generating 3D models of hospital environments utilizing Revit software for Autodesk CFD 2021.The evaluation considered dimensional analyses of 0°,45°,90° and 180°.The analysis of natural ventilation patterns on both internal and external surfaces and the distribution of windows in relation to the displacement dynamics of the SARS-CoV-2 virus through the air were considered.The results showed that in the external area of the hospital,the wind speed reached velocities up to 2.1 m/s when entering the building through open windows.In con-tact with the furniture,this value decreased to 0.78 m/s.In some internal isolation wards that house patients with COVID-19,areas that should be equipped with negative room pressure,air velocity was null.Our study provides insights into the possibility of SARS-CoV-2 contamination in internal hospital environments as well as external areas surrounding hospitals,both of which encounter high pedestrian traffic in cities worldwide.
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作者姓名:
Carla Gabriela Carlot Zorzi;Alcindo Neckel;Laércio Stolfo Maculan;Grace Tibério Cardoso;Leila Dal Moro;Alexandre Almeida Del Savio;Leopoldo D.Z.Carrasco;Marcos L.S.Oliveira;Eliane Thaines Bodah;Brian William Bodah
作者机构:
Faculdade Meridional,IMED,304-Passo Fundo-RS 99070-220,Brazil;Universidad de Lima,Avenida Javier Prado Este 4600-Santiago de Surco 1503,Peru;Department of Civil and Environmental.Universidad de la Costa,CUC,Calle 58#55-66,Barranquilla,Atlántico,Colombia;State University of New York,Onondaga Community College,4585 West Seneca Turnpike,Syracuse,NY 13215,USA;Thaines and Bodah Center for Education and Development,840 South Meadowlark Lane,Othello,WA 99344,USA
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引用格式:
[1]Carla Gabriela Carlot Zorzi;Alcindo Neckel;Laércio Stolfo Maculan;Grace Tibério Cardoso;Leila Dal Moro;Alexandre Almeida Del Savio;Leopoldo D.Z.Carrasco;Marcos L.S.Oliveira;Eliane Thaines Bodah;Brian William Bodah-.Geo-environmental parametric 3D models of SARS-CoV-2 virus circulation in hospital ventilation systems)[J].地学前缘(英文版),2022(06):244-256
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0.562461
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