The effects of turbulence intensity and scale on the mean flow past square rods

Y. Nakamura, Y. Ohya

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

Measurements on square rods with their square face normal to turbulent flow show that the mean base pressure can be varied considerably with turbulent intensity and scale as well as with the thickness of a rod. Turbulence decreases the mean base pressure of a short rod while it increases the mean base pressure of a long rod. Turbulence causes earlier reattachment of the separated shear layers to the sides of a long rod. It is suggested that the effect of turbulence on the mean base pressure of a rod is restricted to a certain finite range of turbulence scale. There is a subrange of turbulence scale where the mean base pressure, although very different from the smooth-flow value, remains almost unchanged with turbulence scale.

本文言語英語
ページ(範囲)421-430
ページ数10
ジャーナルJournal of Wind Engineering and Industrial Aerodynamics
11
1-3
DOI
出版ステータス出版済み - 5 1983

All Science Journal Classification (ASJC) codes

  • 土木構造工学
  • 再生可能エネルギー、持続可能性、環境
  • 機械工学

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