Abstract
The paper presents the results of experimental and theoretical studies of processes of phase-conjugate ultrasonic wave propagation in a liquid flow containing gas microbubbles. It is shown that a signal from a phase-conjugate wave, which is recorded by a transceiving transducer, contains information on the flow velocity of scatterers and their concentration. In this case, the flow velocity is determined both in the presence and absence of moving scattering objects. A theory developed on the basis of the generalized reciprocity principle for a moving inhomogeneous medium represents the main experimentally observed features of the formation of signals from a phase-conjugate wave scattered by a disperse liquid flow.
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Original Russian Text © P.N. Shirkovskiy, N.V. Smagin, V.L. Preobrazhenskii, P. Pernod, 2016, published in Akusticheskii Zhurnal, 2016, Vol. 62, No. 1, pp. 52–58.
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Shirkovskiy, P.N., Smagin, N.V., Preobrazhenskii, V.L. et al. Scattering of phase-conjugate ultrasonic waves by microinclusions in a liquid flow. Acoust. Phys. 62, 58–63 (2016). https://doi.org/10.1134/S1063771015060111
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DOI: https://doi.org/10.1134/S1063771015060111