Energy Performance of a Novel System Combining Natural Ventilation with Diffuse Ceiling Inlet and Thermally Activated Building Systems (TABS)

Tao Yu

    Research output: Book/ReportPh.D. thesis

    182 Downloads (Pure)

    Abstract

    As a response to new stringent energy policies in the building sector, office buildings have become well-insulated and highly-airtight, resulting in an increasing cooling need in both summer and winter. This study proposes a novel system combining natural ventilation with diffuse ceiling inlet and thermally activated building systems (TABS) for cooling and ventilation in future Danish office buildings. The new solution would have the special potential of using natural ventilation all year round even in the extremely cold seasons without any draught risk.

    The main focuses of this study are the energy saving potential and the steady-state and dynamic energy performance of this system. The presented work utilizes building simulation method to investigate the energy saving potential of this novel system. Afterwards, an experimental set-up is built in the laboratory to simulate a real office environment. Both steady-state and dynamic measurements are carried out in the experimental chamber to investigate the energy performance of the system and the thermal comfort in the test room.

    Overall, this integrated system has high energy saving potential without any compromise of thermal comfort even in extreme winter period. Since natural ventilation is of great importance in the system, this system is recommended for use in a temperate climate with high natural ventilation potential.
    Original languageEnglish
    PublisherAalborg Universitetsforlag
    Number of pages176
    ISBN (Electronic)978-87-7112-380-7
    DOIs
    Publication statusPublished - 2015
    SeriesPh.d.-serien for Det Teknisk-Naturvidenskabelige Fakultet, Aalborg Universitet
    ISSN2246-1248

    Bibliographical note

    Per Heiselberg, Principal supervisor
    Bo Lei, Secondary supervisor
    Michal Zbigniew Pomianowski, Secondary supervisor

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