Observation of energy cascade creating periodic shock waves in a resonator

Tetsushi Biwa, Taichi Yazaki

研究成果: Article査読

19 被引用数 (Scopus)

抄録

Nonlinear excitation of periodic shock waves in high-amplitude standing waves was studied from measurements of the acoustic intensity. A gas column of atmospheric air in a cylindrical resonator was driven sinusoidally by an oscillating piston at the fundamental resonance frequency. Acoustic pressure and axial acoustic particle velocity were simultaneously measured and decomposed into the Fourier components, from which the intensity associated with each of the oscillating modes in the resonator was determined. This letter reports the energy cascade from the driven mode to the second harmonic in the periodic shock waves in the resonator.

本文言語English
ページ(範囲)1189-1192
ページ数4
ジャーナルJournal of the Acoustical Society of America
127
3
DOI
出版ステータスPublished - 2010

ASJC Scopus subject areas

  • 人文科学(その他)
  • 音響学および超音波学

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