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Formation of Brillouin waves in the underwater sound channel

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Abstract

The mechanism of the vertical sound field structure formation in the underwater sound channel is considered. The calculations are performed by the ray method for the rays that have upper turning points at the ocean surface. It is shown that the vertical field structure is formed by the ray pairs producing opposing waves in the vertical. The rays belonging to one pair have the same sign of their departure angles at the source. The pairs are formed because of the presence of a minimum in the ray cycle length as a function of the departure angle. The resulting ray pairs are analogs of Brillouin waves.

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, ul. Ul’yanova 46, Nizhni Novgorod, 603950, Russia

    V. A. Zverev & G. K. Ivanova

Authors
  1. V. A. Zverev
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  2. G. K. Ivanova
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__________

Translated from Akusticheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Zhurnal, Vol. 49, No. 5, 2003, pp. 632–637.

Original Russian Text Copyright © 2003 by Zverev, Ivanova.

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Zverev, V.A., Ivanova, G.K. Formation of Brillouin waves in the underwater sound channel. Acoust. Phys. 49, 535–539 (2003). https://doi.org/10.1134/1.1608977

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  • DOI: https://doi.org/10.1134/1.1608977

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