オリフィス急拡大付着流れに発生する渦構造に関する実験的研究 Experimental Studies of the Flow through an Axial Sudden Expansion with Orifice

この論文にアクセスする

この論文をさがす

著者

抄録

Separated and reattaching flows produced by an axial sudden expansion have been studied experimentally. The flow fields were produced by an axisymmetric sudden enlargement from an orifice of diameter 30mm to a pipe of diameter 80mm. Mean velocities and turbulent intensities were measured by a hot-wire anemometry. The Reynolds number based on the orifice diameter was 25, 000. Flow visualization tests were also done. It was shown that large-scale vortices are produced at the orifice. These vortices begin to pair each other, but soon they lose their axisymmetry, i.e. breakdown occurs. The streamwise position where this breakdown occurs is located at much more upstream position when compared with that of an orifice free-jet flow under the same inlet condition.

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 48(554), 82-88, 2000-03-05 

    一般社団法人 日本航空宇宙学会

参考文献:  11件

参考文献を見るにはログインが必要です。ユーザIDをお持ちでない方は新規登録してください。

被引用文献:  1件

被引用文献を見るにはログインが必要です。ユーザIDをお持ちでない方は新規登録してください。

各種コード

  • NII論文ID(NAID)
    10004538444
  • 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
    5295553
  • NDL 雑誌分類
    ZN25(科学技術--運輸工学--航空機・ロケット)
  • NDL 請求記号
    Z74-B503
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
ページトップへ