不安定化したオフセットフィン流れの観察

DOI

書誌事項

タイトル別名
  • The Affect of Wake Flow Instability on Flow Past an Offset-fin Array

抄録

Flow characteristics in an offset-fin array was studied by means of flow visualization. When the Reynolds number based on fin thickness t exceeds a critical value, the wake of a fin becomes unsteady, exhibiting wavy or vortical motion. When instability occures in the wake of a fin, the boundary layer and flow characteristics around the downstream fins are affected. It is found that the wake flow instability is strongly dependent on the Reynolds number based on fin thickness as well as on the fin pitch 2S. It is also found that the frequency of discrete vortices varies with a change in Reynolds number, but, more noticeably, varies with a change in the parameter t/2S.

収録刊行物

詳細情報 詳細情報について

  • CRID
    1390001204619623552
  • NII論文ID
    130003647959
  • DOI
    10.3154/jvs.10.1supplement_27
  • ISSN
    1884037X
    09164731
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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