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  • Asymmetric heat transfer in liquid–liquid segmented flow in microchannels

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    97055_1.pdf (2.791Mb)
    Author(s)
    Che, Zhizhao
    Wong, Teck Neng
    Nam-Trung, Nguyen
    Yang, Chun
    Griffith University Author(s)
    Nguyen, Nam-Trung
    Year published
    2014
    Metadata
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    Abstract
    Heat transfer in segmented flow in microchannels can be significantly enhanced by recirculating vortices, due to the presence of interfaces. The processes of heat transfer in segmented flow subjecting to asymmetric boundary conditions are studied. Two types of boundary conditions are considered, asymmetric constant surface temperature and asymmetric constant surface heat flux. The paths of heat flow and the effects of the thermal conductivity, the plug length, and the Peclet number are studied. The results show different features from those at symmetric boundary conditions. The heat transfer process at asymmetric boundary ...
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    Heat transfer in segmented flow in microchannels can be significantly enhanced by recirculating vortices, due to the presence of interfaces. The processes of heat transfer in segmented flow subjecting to asymmetric boundary conditions are studied. Two types of boundary conditions are considered, asymmetric constant surface temperature and asymmetric constant surface heat flux. The paths of heat flow and the effects of the thermal conductivity, the plug length, and the Peclet number are studied. The results show different features from those at symmetric boundary conditions. The heat transfer process at asymmetric boundary conditions is controlled by both thermal advection and diffusion at the mid-plane of the channel. The coupling effects between the adjacent plugs complicate the process by the heat transfer across plug-plug interfaces.
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    Journal Title
    International Journal of Heat and Mass Transfer
    Volume
    77
    DOI
    https://doi.org/10.1016/j.ijheatmasstransfer.2014.05.006
    Copyright Statement
    © 2014 Elsevier Inc. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Mathematical sciences
    Physical sciences
    Engineering
    Experimental methods in fluid flow, heat and mass transfer
    Publication URI
    http://hdl.handle.net/10072/63749
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    • Journal articles

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