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  • Measurements of Hydrogen Thermal Conductivity at High Pressure and High Temperature

    Author(s)
    Moroe, S
    Woodfield, PL
    Kimura, K
    Kohno, M
    Fukai, J
    Fujii, M
    Shinzato, K
    Takata, Y
    Griffith University Author(s)
    Woodfield, Peter L.
    Year published
    2011
    Metadata
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    Abstract
    The thermal conductivity for normal hydrogen gas was measured in the range of temperatures from 323 K to 773 K at pressures up to 99 MPa using the transient short hot-wire method. The single-wire platinum probes had wire lengths of 10 mm to 15 mm with a nominal diameter of 10 孮 The volume-averaged transient temperature rise of the wire was calculated using a two-dimensional numerical solution to the unsteady heat conduction equation. A non-linear least-squares fitting procedure was employed to obtain the values of the thermal conductivity required for agreement between themeasured temperature rise and the calculation. ...
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    The thermal conductivity for normal hydrogen gas was measured in the range of temperatures from 323 K to 773 K at pressures up to 99 MPa using the transient short hot-wire method. The single-wire platinum probes had wire lengths of 10 mm to 15 mm with a nominal diameter of 10 孮 The volume-averaged transient temperature rise of the wire was calculated using a two-dimensional numerical solution to the unsteady heat conduction equation. A non-linear least-squares fitting procedure was employed to obtain the values of the thermal conductivity required for agreement between themeasured temperature rise and the calculation. The experimental uncertainty in the thermal-conductivity measurements was estimated to be 2.2 % (k = 2). An existing thermal-conductivity equation of state was modified to include the expanded range of conditions covered in the present study. The new correlation is applicable from 78 K to 773 K with pressures to 100 MPa and is in agreement with the majority of the present thermal-conductivity measurements within Რ%.
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    Journal Title
    International Journal of Thermophysics
    Volume
    32
    DOI
    https://doi.org/10.1007/s10765-011-1052-5
    Subject
    Mechanical Engineering not elsewhere classified
    Classical Physics
    Physical Chemistry (incl. Structural)
    Chemical Engineering
    Publication URI
    http://hdl.handle.net/10072/42723
    Collection
    • Journal articles

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