無重力場における常磁性空気の磁気熱対流の数値計算 Numerical Computations of Magnetothermal Convection of Paramagnetic Air in a Non-Gravitational Field

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Convective heat transfer characteristics of paramagnetic air induced by magnetic force in a non-gravitational field are scrutinized by two-dimensional numerical computations. In the present research, a shallow cylindrical enclosure filled by paramagnetic air is assumed to be placed inside the bore space of a superconducting magnet. Our numerical results find out that the strength of magnetothermal convection induced by magnetic force in quiescent air under thermal conduction state strongly depends on the relative positions of the enclosure and magnetic center, and the oscillatory magnetothermal convection with regular period and amplitude is generated when the enclosure is placed near the magnetic center. These phenomena can be successfully explained by considering the magnetic susceptibility of paramagnetic substance according to Curie's law. In addition, effect of the magnetic force in a gravitational field is also evaluated by examining magnetothermal convection induced by magnetic force in density stratified air.

収録刊行物

  • 日本航空宇宙学会論文集 = Journal of the Japan Society for Aeronautical and Space Sciences

    日本航空宇宙学会論文集 = Journal of the Japan Society for Aeronautical and Space Sciences 60(2), 102-107, 2012-04-05

    一般社団法人 日本航空宇宙学会

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各種コード

  • NII論文ID(NAID)
    10030955765
  • NII書誌ID(NCID)
    AA11307372
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13446460
  • NDL 記事登録ID
    023657787
  • NDL 請求記号
    Z74-B503
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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