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    Laminar Forced Convective Heat Transfer Studies in Circular and Non-circular Ducts with Polyacrylamide Additives in Water-based Al2O3 Nanofluid

    Tiong A 2017.pdf (4.573Mb)
    Access Status
    Open access
    Authors
    Tiong, Angnes Ngieng Tze
    Date
    2017
    Supervisor
    Assoc. Prof. Kumar Perumal
    Type
    Thesis
    Award
    PhD
    
    Metadata
    Show full item record
    Faculty
    Engineering and Science (Sarawak)
    School
    Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/66566
    Collection
    • Curtin Theses
    Abstract

    Nanofluid enhances heat transfer but with increased pressure drop. Therefore, this research aims to improve the thermal-hydraulic efficiency of Al2O3 nanofluid by adding polyacrylamide additives. Polyacrylamide additives help to further enhance the heat transfer of nanofluid, thus improving the efficiency in the non-circular ducts. The optimum concentration is found to be 50 ppm polyacrylamide in 4% nanofluid. Besides, Nusselt number and friction factor correlations are also proposed for this new hybrid fluid in pipe flow.

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