Acoustic intensity measurement in a narrow duct by a two-sensor method

Tetsushi Biwa, Yusuke Tashiro, Hiroshi Nomura, Yuki Ueda, Taichi Yazaki

研究成果: Article査読

13 被引用数 (Scopus)

抄録

The use of two pressure sensors [Fusco, J. Acoust. Soc. Am. 91, 2229 (1992)] makes it possible to determine the acoustic intensity of a gas column in a duct, but the application of this method was limited to wide ducts. In this letter, the formulation of the method is modified to include narrow ducts where the duct radius is as small as the viscous boundary layer thickness of the gas. The validity of this method is shown by comparison with the direct measurements of the pressure and velocity.

本文言語English
論文番号086110
ジャーナルReview of Scientific Instruments
78
8
DOI
出版ステータスPublished - 2007 9 7

ASJC Scopus subject areas

  • Instrumentation

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