円管内縦渦下流の流れ場と温度場の関係 Flow and Thermo Fields Downstream of Longitudinal Vortex Generator in a Pipe

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The longitudinal vortex was artificially generated by single winglet vortex generator in a pipe. The longitudinal vortex does not decay until further downstream. The objective of this study is to examine the structure of the longitudinal vortex and the influence of vortex on heat transfer enhancement in a pipe. The smoke flow behaviors were measured by the video camera in order to obtain the information about changes of the flow motion downstream of vortex generator. The large main vortex, a couple of small corner vortices and the swirling flow with spiral motion of main vortex were observed until far downstream. Moreover, streamwise and circumferential shear stresses on the wall and local heat transfer were experimentally measured. The distributions of the shear stress and the local heat transfer well correspond to the structure of the longitudinal vortices in a pipe.

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  • 可視化情報学会誌 = Journal of the Visualization Society of Japan  

    可視化情報学会誌 = Journal of the Visualization Society of Japan 17, 145-148, 1997-10-01 

    The Visualization Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002675160
  • NII書誌ID(NCID)
    AN10374478
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09164731
  • NDL 記事登録ID
    4302650
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z15-431
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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