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Numerical Simulation of a Nonlinear Parabolic Equation for Analyzing The Perceived Loudness Statistics of Sonic Boom Wave after Propagation Through Atmospheric Turbulent Layer

Numerical Simulation of a Nonlinear Parabolic Equation for Analyzing The Perceived Loudness... Soniс boom propagation in the atmospheric turbulent layer, represented by a model of homogeneous isotropic turbulence, is investigated numerically in two-dimensional geometry using a KZK-type nonlinear parabolic equation for an inhomogeneous moving medium with relaxation. The mean value, standard deviation, and cumulative probabilities of the sonic boom amplitude, shock front steepness, and the Perceived Loudness Mark VII metric of subjective loudness of an impulse noise are analyzed at different propagation distances traveled by the sonic boom wave in the turbulent layer and for different initial amplitudes of the wave. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acoustical Physics Springer Journals

Numerical Simulation of a Nonlinear Parabolic Equation for Analyzing The Perceived Loudness Statistics of Sonic Boom Wave after Propagation Through Atmospheric Turbulent Layer

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Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2021. ISSN 1063-7710, Acoustical Physics, 2021, Vol. 67, No. 1, pp. 26–37. © Pleiades Publishing, Ltd., 2021. Russian Text © The Author(s), 2021, published in Akusticheskii Zhurnal, 2021, Vol. 67, No. 1, pp. 31–44.
ISSN
1063-7710
eISSN
1562-6865
DOI
10.1134/S1063771021010061
Publisher site
See Article on Publisher Site

Abstract

Soniс boom propagation in the atmospheric turbulent layer, represented by a model of homogeneous isotropic turbulence, is investigated numerically in two-dimensional geometry using a KZK-type nonlinear parabolic equation for an inhomogeneous moving medium with relaxation. The mean value, standard deviation, and cumulative probabilities of the sonic boom amplitude, shock front steepness, and the Perceived Loudness Mark VII metric of subjective loudness of an impulse noise are analyzed at different propagation distances traveled by the sonic boom wave in the turbulent layer and for different initial amplitudes of the wave.

Journal

Acoustical PhysicsSpringer Journals

Published: Mar 10, 2021

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