The effects of turbulence on the mean flow past two-dimensional rectangular cylinders

Yasuharu Nakamura, Yuji Ohya

研究成果: Contribution to journalArticle査読

94 被引用数 (Scopus)

抄録

There are two main effects of turbulence on the mean flow past rectangular cylinders, just as found earlier for square rods. Small-scale turbulence increases the growth rate of the separated shear layers through increased mixing. Large-scale turbulence weakens regular vortex shedding by reducing spanwise correlation. The consequences of increased mixing and weakened regular vortex shedding depend on the depth-to-height ratio of a rectangular cylinder. In particular, the mean base pressure of a rectangular cylinder can be varied significantly by both the scale and intensity of turbulence.

本文言語英語
ページ(範囲)255-273
ページ数19
ジャーナルJournal of Fluid Mechanics
149
HY7
DOI
出版ステータス出版済み - 12 1984
外部発表はい

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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