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Heat Transfer Characteristics of a Horizontal Wire in Pools of Liquid and Supercritical Hydrogen

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Abstract

Heat transfer from a horizontal wire immersed in both liquid and supercritical hydrogen was measured with a quasi-steady increase of the heat generation rate for a wide range of bath temperatures and pressures. The nucleate boiling heat transfer coefficient is higher for higher pressures. The critical heat flux (CHF) is highest in the vicinity of 0.4 MPa and is expressed by Kutateladze’s equation. The CHFs become higher for higher degrees of subcooling. The heat transfer under supercritical pressures is the same as natural convection heat transfer in liquid hydrogen, but it deteriorates for heated surface temperautres higher than the pseudocritical temperature. The heat transfer correlation was derived based on the experimental data.

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Acknowledgments

This research was partly supported by JST, ALCA.

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Authors and Affiliations

  1. J-PARC Center, Japan Atomic Energy Agency, Tokai, 319-1195, Japan

    Hideki Tatsumoto

  2. Department of Energy Science & Technology, Kyoto University, Kyoto, 606-8501, Japan

    Yasuyuki Shirai & Masahiro Shiotsu

  3. Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science, Sagamihara, 229-8510, Japan

    Yoshihiro Naruo, Hiroaki Kobayashi & Yoshifumi Inatani

Authors
  1. Hideki Tatsumoto
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  2. Yasuyuki Shirai
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  3. Masahiro Shiotsu
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  4. Yoshihiro Naruo
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  5. Hiroaki Kobayashi
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  6. Yoshifumi Inatani
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Correspondence to Hideki Tatsumoto.

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Tatsumoto, H., Shirai, Y., Shiotsu, M. et al. Heat Transfer Characteristics of a Horizontal Wire in Pools of Liquid and Supercritical Hydrogen. J Supercond Nov Magn 28, 1185–1188 (2015). https://doi.org/10.1007/s10948-014-2706-x

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  • DOI: https://doi.org/10.1007/s10948-014-2706-x

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