• Login
    View Item 
    •   DORA Home
    • Faculty of Computing, Engineering and Media
    • School of Engineering and Sustainable Development
    • View Item
    •   DORA Home
    • Faculty of Computing, Engineering and Media
    • School of Engineering and Sustainable Development
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Acceptance of thermal conditions and energy use of three ventilation strategies with six exhaust configurations for the classroom

    Thumbnail
    View/Open
    Acceptance of thermal conditions and energy use of three ventilation strategies with six exhaust configurations for the classroom.docx (1.841Mb)
    Date
    2015
    Author
    Fong, Alan Ming-Lun;
    Hanby, V. I. (Victor Ian), 1942-;
    Greenough, R. M.;
    Lin, Z;
    Cheng, Y
    Metadata
    Show attachments and full item record
    Abstract
    The paper describes an experimental study from forty-eight subjects about the acceptable thermal conditions under three ventilation strategies with six exhaust configurations, including mixing ventilation (MV), displacement ventilation (DV), and four exhaust types of stratum ventilation (ceiling-level-exhausted “SV”, rear-low-level-exhausted “SV-1”, front-low-level-exhausted “SV-2” & rear-middle-level-exhausted “SV-3”) serving a confined 8.8 m × 5.1 m × 2.4 m (h) classroom. Tests were carried out in a specially constructed test chamber designed to represent a typical small-medium sized classroom in Hong Kong. Thermal comfort analyses were carried out under specific supply flow rates, room temperatures, and air speeds in three ventilation strategies with six exhaust configurations. From the collected data, SV at 26 °C & 10 ACH and SV-3 at 28 °C & 15 ACH are achieved 100% of acceptable vote, the highest percentage of 97.3%, scoring neutral (0), are under the SV-3 at 28 °C & 10 ACH. The thermal satisfaction acceptance percentage in stratum ventilation strategies can be improved by increasing the air flow supply from 10 to 15 ACH at the elevated indoor condition of 26.8 °C, 27.3 °C and 26.4 °C by SV, SV-1 and SV-3 respectively, but not under MV, DV and SV-2. It implies that the thermal comfort will be affected no only by the temperature and air supply flow, but also by difference ventilation strategies in this study of three ventilation strategies with six exhaust configurations. This result indicates that SV-3 can satisfy human perception of comfort with least value of energy consumption, due to higher neutral temperature in comparison with the other ventilation strategies.
    Description
    The file attached to this record is the author's final peer reviewed version. The publisher's final version can be found by following the doi link.
    Citation : Fong, M.L., Hanby, V., Greenough, R., Lin, Z. and Cheng, Y. (2015) Acceptance of thermal conditions and energy use of three ventilation strategies with six exhaust configurations for the classroom. Building and Environment, 94 (2), pp. 606-619
    URI
    http://hdl.handle.net/2086/11526
    DOI
    http://dx.doi.org/10.1016/j.buildenv.2015.10.024
    ISSN : 0360-1323
    Research Group : Institute of Energy and Sustainable Development
    Research Institute : Institute of Energy and Sustainable Development (IESD)
    Peer Reviewed : Yes
    Collections
    • School of Engineering and Sustainable Development [1939]

    Submission Guide | Reporting Guide | Reporting Tool | DMU Open Access Libguide | Take Down Policy | Connect with DORA
    DMU LIbrary
     

     

    Browse

    All of DORACommunities & CollectionsAuthorsTitlesSubjects/KeywordsResearch InstituteBy Publication DateBy Submission DateThis CollectionAuthorsTitlesSubjects/KeywordsResearch InstituteBy Publication DateBy Submission Date

    My Account

    Login

    Submission Guide | Reporting Guide | Reporting Tool | DMU Open Access Libguide | Take Down Policy | Connect with DORA
    DMU LIbrary