An analysis of the focusing of an acoustic wave in a cylindrical channel filled with a pure liquid and a bubble liquid, separated by a spherical surface, as a result of its refraction at this interface is given. The influence of the frequency of an acoustic wave propagating in such a liquid–gas mixture as well as the radius of the bubbles and their volume content in it on the distance of focusing of this wave in the mixture was investigated. The conditions under which the focal distance of the acoustic lens formed in a liquid–gas mixture takes a maximum and a minimum values and an acoustic wave propagating in this mixture is focused or scattered in it were determined.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 94, No. 2, pp. 507–512, March–April, 2021.
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Gimaltdinov, I.K., Kochanova, E.Y. Focusing of a Compression Wave at the Boundary of a Bubble Liquid. J Eng Phys Thermophy 94, 490–495 (2021). https://doi.org/10.1007/s10891-021-02319-4
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DOI: https://doi.org/10.1007/s10891-021-02319-4