TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)
Online ISSN : 1880-0408
Print ISSN : 0389-2441
ISSN-L : 0389-2441
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Volume 58, Issue 6
Displaying 1-4 of 4 articles from this issue
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Preface
Research Note
  • Reduction of Pre-cooling Time by Fluoroplastic Coating
    -Quenching Experiment with Liquid Nitrogen-
    Kazuya TAKAHATA
    2023 Volume 58 Issue 6 Pages 276-280
    Published: November 20, 2023
    Released on J-STAGE: November 20, 2023
    DOIhttps://doi.org/10.2221/jcsj.58.276
    JOURNAL FREE ACCESS
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    While fluoropolymer coatings are effective in reducing the pre-cooling time, quenching experiments have revealed that the formation of cracks in the coating during cooling enables a significant reduction in the pre-cooling time. The cracks affected the boiling heat transfer characteristics and accelerated the transition from film boiling to transition boiling during cooling. The high heat fluxes of subsequent transition and nucleate boiling contributed to the shorter pre-cooling time. The room temperature curable fluoropolymer coating is expected to have a wide range of applications because the coating is easy to apply and can be applied to narrow or curved surfaces such as the inside of pipes and tanks.

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Cryogenic Group
Index for Volume 58
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