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  • Measurement of averaged heat transfer coefficients in high-pressure vessel during charging with hydrogen, nitrogen or argon gas

    Author(s)
    Woodfield, Peter Lloyd
    Monde, Masanori
    Mitsutake, Yuichi
    Griffith University Author(s)
    Woodfield, Peter L.
    Year published
    2007
    Metadata
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    Abstract
    Heat transfer to the wall of a small pressure vessel during filling with some different kinds of gas was investigated experimentally. The vessel was orientated vertically with the inlet at the top. The space-averaged Nusselt number for the curved wall was found to be a function of both the Reynolds and Rayleigh numbers indicating a mixed convection heat transfer situation. A correlation is proposed for the heat transfer coefficient during charging of the vessel. For the six positions where measurements were taken, the local heat transfer coefficient typically did not differ from the space-averaged value by more than about ...
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    Heat transfer to the wall of a small pressure vessel during filling with some different kinds of gas was investigated experimentally. The vessel was orientated vertically with the inlet at the top. The space-averaged Nusselt number for the curved wall was found to be a function of both the Reynolds and Rayleigh numbers indicating a mixed convection heat transfer situation. A correlation is proposed for the heat transfer coefficient during charging of the vessel. For the six positions where measurements were taken, the local heat transfer coefficient typically did not differ from the space-averaged value by more than about 30 percent. Measurements were also taken during discharging to atmospheric pressure. For discharging, some of the data was found to agree with a correlation for natural convection in cylindrical geometry. Local Nusselt numbers for discharging tended to be higher towards the bottom of the vessel.
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    Journal Title
    Journal of Thermal Science and Technology
    Volume
    2
    Issue
    2
    DOI
    https://doi.org/10.1299/jtst.2.180
    Subject
    Energy Generation, Conversion and Storage Engineering
    Interdisciplinary Engineering
    Publication URI
    http://hdl.handle.net/10072/38971
    Collection
    • Journal articles

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