論文

査読有り 本文へのリンクあり
2014年

Forced flow heat transfer of supercritical hydrogen for superconductor cooling

AIP Conference Proceedings
  • M. Shiotsu
  • ,
  • Y. Shirai
  • ,
  • H. Tatsumoto
  • ,
  • K. Hata
  • ,
  • H. Kobayashi
  • ,
  • Y. Naruo
  • ,
  • H. Inatani

1573
開始ページ
36
終了ページ
43
記述言語
掲載種別
研究論文(国際会議プロシーディングス)
DOI
10.1063/1.4860680

Heat transfer from inner side of a vertical tube to forced flow of hydrogen was measured at the pressure of 1.5 MPa. The test tubes were made of stainless steel 316L with the inner diameters from 3 mm to 9 mm and lengths from 100 mm to 250 mm. Heat transfer curves were obtained by gradually increasing the heating current to the test tube and raising the surface temperature up to around 200 K. Inlet fluid temperature and flow velocity were varied from 21 to 30 K and 0.5 to 12 m/s, respectively. Effects of inlet temperature, flow velocity and tube dimension were clearly observed. The heat transfer curve for each flow velocity consists of a lower temperature region with a higher gradient and higher temperature region with a lower gradient. The experimental results were compared with the authors' correlation presented formerly. It was confirmed that this correlation can describe the experimental results obtained here.

リンク情報
DOI
https://doi.org/10.1063/1.4860680
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ID情報
  • DOI : 10.1063/1.4860680
  • ISSN : 0094-243X
  • eISSN : 1551-7616
  • SCOPUS ID : 85028214000

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