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dc.contributor.authorLin, Yi-Pin
dc.contributor.authorIba, Chiemi
dc.contributor.authorLai, Chi-Ming
dc.contributor.alternative伊庭, 千恵美
dc.description.abstractThis study explores the effect of different numbers of wall-mounted vent caps and their installation locations on the indoor air environment in residential kitchens, for which limited information is available. Wind tunnel tests were performed to study the induced ventilation rates of a vent cap, and the impact of vent caps on the natural ventilation efficiency in residential kitchens was examined using computational fluid dynamics (CFD) numerical simulations. The results were then applied to determine the appropriate quantity of vent caps and their proper installation location. The wind tunnel test results indicated that outdoor winds with speeds of 0–6 m/s that flow parallel to the wall with a vent cap induce indoor air to exit through the cap with ventilation rates of 0–20 m3/h; when the wind blows perpendicular to the wall, outdoor air with 0–31.9 m3/h flows indoors. CFD numerical simulations showed that the installation of kitchen vent caps can reduce the average carbon monoxide concentration in the cook’s breathing zone. A sufficient quantity of vent caps and the proper installation location are required to ensure the natural ventilation effectiveness of wall-mounted vent caps.
dc.publisherMDPI AG
dc.rightsThis is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0)
dc.subjectnatural ventilation
dc.subjectair environment
dc.subjectvent cap
dc.titleNatural Ventilation Effectiveness of Round Wall-Mounted Vent Caps in Residential Kitchens
dc.type.niitypeJournal Article
dc.addressDepartment of Creative Design, National Yunlin University of Science and Technology
dc.addressDepartment of Architecture and Architectural Engineering, Kyoto University
dc.addressDepartment of Civil Engineering, National Cheng Kung University
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