Sound propagation in the atmosphere above the ground surface at long distances

Nikolai P. Krasnenko

doi:10.1117/12.675802

21 April 2006 Sound propagation in the atmosphere above the ground surface at long distances

Nikolai P. Krasnenko

Proceedings Volume 6160, Twelfth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics; 61601W (2006) https://doi.org/10.1117/12.675802
Event: Twelfth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2005, Tomsk, Russian Federation

Abstract

The problem of near-ground sound propagation in the atmosphere is considered. The results of theoretical and field experimental investigations of the influence of the atmospheric channel and underlying surface parameters on the audible-frequency sound propagation are given. A hardware-software complex for real-time estimation of the field of the mean sound pressure level from a remote sound source in the ground atmospheric layer is described. The software package allows the sound source parameters, vertical profiles of the main meteorological parameters, characteristics of the underlying surface, and the parameters of the atmospheric turbulence to be taken into account. The efficiency of predicting the maximum range of sound broadcasting is demonstrated. The results of numerical estimation and field tests of this complex for distances from the acoustic source up to 6 km are also presented in the report.

Citation Download Citation

Nikolai P. Krasnenko "Sound propagation in the atmosphere above the ground surface at long distances", Proc. SPIE 6160, Twelfth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 61601W (21 April 2006); https://doi.org/10.1117/12.675802

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