An experimental study on the control of the vortex-induced vibration of a circular cylinder by acoustic excitation

Shinji Hiejima, Kichiro Kimura, Yozo Fujino, Takashi Nomura

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A series of experiments over a Reynolds-number range of 2.2×104-6.3×104 was conducted to understand the effect of acoustic excitation on the vortex-induced vibration of a circular cylinder. The frequency and the intensity of the applied sound were varied The following results are obtained: (1) The most effective frequency of the acoustic excitation in suppressing the vortex-induced vibration approximately corresponds to the frequency of transition waves in shear layers separated from the cylinder surface; (2) Although the applied sound is less effective in reducing a large vortex-induced vibration amplitude, the applied sound with stronger intensity can suppress the vibration more effectively.

Original languageEnglish
Pages (from-to)67s-72s
JournalStructural Engineering/Earthquake Engineering
Volume13
Issue number1
Publication statusPublished - Apr 1996
Externally publishedYes

Keywords

  • Acoustic excitation
  • Circular cylinder
  • Instability
  • Shear layer
  • Transition wave
  • Vortex-induced vibration
  • Wind engineering
  • Wind tunnel experiment

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Arts and Humanities (miscellaneous)
  • Geotechnical Engineering and Engineering Geology

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