Experimental and theoretical studies of near-ground acoustic radiation propagation in the atmosphere

Vladimir V. Belov; Yuliya B. Burkatovskaya; Nikolai P. Krasnenko; Aleksandr S. Rakov; Denis S. Rakov; Liudmila G. Shamanaeva

doi:10.1117/12.2286881

30 November 2017 Experimental and theoretical studies of near-ground acoustic radiation propagation in the atmosphere

Vladimir V. Belov, Yuliya B. Burkatovskaya, Nikolai P. Krasnenko, Aleksandr S. Rakov, Denis S. Rakov, Liudmila G. Shamanaeva

Author Affiliations +

Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 104661I (2017) https://doi.org/10.1117/12.2286881
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

Results of experimental and theoretical studies of the process of near-ground propagation of monochromatic acoustic radiation on atmospheric paths from a source to a receiver taking into account the contribution of multiple scattering on fluctuations of atmospheric temperature and wind velocity, refraction of sound on the wind velocity and temperature gradients, and its reflection by the underlying surface for different models of the atmosphere depending the sound frequency, coefficient of reflection from the underlying surface, propagation distance, and source and receiver altitudes are presented. Calculations were performed by the Monte Carlo method using the local estimation algorithm by the computer program developed by the authors. Results of experimental investigations under controllable conditions are compared with theoretical estimates and results of analytical calculations for the Delany–Bazley impedance model. Satisfactory agreement of the data obtained confirms the correctness of the suggested computer program.

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Vladimir V. Belov, Yuliya B. Burkatovskaya, Nikolai P. Krasnenko, Aleksandr S. Rakov, Denis S. Rakov, and Liudmila G. Shamanaeva "Experimental and theoretical studies of near-ground acoustic radiation propagation in the atmosphere", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104661I (30 November 2017); https://doi.org/10.1117/12.2286881

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