流れのパッシブ制御による矩形断面柱の流体力の抑制　第２報　　完全はく離形角柱の場合

• 丹 国夫

• 坂本 弘志

• 高井 和紀

• 羽二生 博之

書誌事項

タイトル別名

• Suppression of Fluid Forces of Rectangular Cylinders by Passive Control of Flow. 2nd Report. On Rectangular Cylinder with Fully Separated Flow.
• ナガレ ノ パッシブ セイギョ ニ ヨル クケイ ダンメン チュウ ノ リュウ

抄録

Objective of the present study is to investigate the suppression of the fluid forces acting on rectangular cylinders by passive control of flow around it. The width-to-height ratio B/H of the section is varied from 0.3 to 2.0. Flow control is established by introducing a fine flat plate in the upstream of rectangular cylinder. Measurements are carried out to change systematically the position of the plate, and then the steady and unsteady fluid forces are examined to estimate the magnitude of the reduction themselves. Also, such matters as the mechanism of the flow control, the structure of the controlled wake and the behavior of the separated shear layer are investigated. As a result, it is found that the steady and unsteady fluid forces and vortex shedding of the rectangular cylinders with aspect ratio B/H beyond 0.5 can be substantially suppressed using a flat plate with a width of one tenth of the cylinder height.

収録刊行物

• 日本機械学会論文集Ｂ編

  日本機械学会論文集Ｂ編 64 (622), 1772-1780, 1998

  一般社団法人 日本機械学会

キーワード

• Structure of Wake Flow

詳細情報

• CRID: 1390001205895005312
• NII論文ID: 130004080156
• NII論文ID: 110002396996
• NII書誌ID: AN00187441
• DOI: 10.1299/kikaib.64.1772
• ISSN: 18848346
• ISSN: 03875016
• NDL書誌ID: 4504279
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4504279
• Web Site: http://www.jstage.jst.go.jp/article/kikaib1979/64/622/64_622_1772/_pdf
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可