Wind tunnel investigation of sound attenuation in turbulent flow

Tatiana Andreeva, William W. Durgin

Research output: Contribution to journalArticle

Abstract

Abstract Wind tunnel investigation of the sound wave attenuation by grid-generated turbulence is performed. The most influential parameters, such as the propagation distance, intensity of turbulent fluctuations and integral scale of the fluctuations are studied using an ultrasonic technique. The results are compared to the theoretical predictions available on the wave statistics. Theoretical predictions are well confirmed and partly extended. It is demonstrated that the ultrasonic technique provides the possibility of reproducing the main effects of atmospheric turbulence on sound propagation while benefiting from isolating the role of various parameters therefore sets of experimental data can be generated under laboratory conditions to benchmark further extensions of theoretical models and numerical simulations.

Original languageEnglish
Pages (from-to)15-19
Number of pages5
JournalUltrasonics
Volume61
DOIs
Publication statusPublished - Aug 2015

Fingerprint

wind tunnels
turbulent flow
ultrasonics
attenuation
wave attenuation
acoustics
sound propagation
atmospheric turbulence
predictions
sound waves
turbulence
grids
statistics
propagation
simulation

Keywords

  • Aeroacoustics
  • Experimental ultrasonic flow metering
  • Nondestructive testing
  • Sound attenuation
  • Turbulence

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Andreeva, Tatiana ; Durgin, William W. / Wind tunnel investigation of sound attenuation in turbulent flow. In: Ultrasonics. 2015 ; Vol. 61. pp. 15-19.
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Wind tunnel investigation of sound attenuation in turbulent flow. / Andreeva, Tatiana; Durgin, William W.

In: Ultrasonics, Vol. 61, 08.2015, p. 15-19.

Research output: Contribution to journalArticle

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