A study has been made of pulsed waves in mixtures of a liquid and a dispersed phase consisting of vapor–gas and gas bubbles that differ in radii and thermophysical properties. A system of differential equations has been proposed for description of the motion of such a mixture and a dispersion relation has been derived for it. A comparison has been made of the dynamics of acoustic waves in mixtures of water with vapor–air bubbles, bubbles of carbon dioxide with steam, and helium bubbles, and also in monodisperse mixtures of water with bubbles of one gas. In the investigations, the qualitative composition of the dispersed phase varied due to the buildup in the volume content of the bubbles of one fraction and the relevant decrease in the content of the bubbles of the other fraction, with the total volume content of the bubbles being constant.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 90, No. 6, pp. 1506–1511, November–December, 2017.
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Gubaidullin, D.A., Gafiyatov, R.N. Dynamics of Waves in Multifractional Bubble Liquids. J Eng Phys Thermophy 90, 1433–1438 (2017). https://doi.org/10.1007/s10891-017-1702-y
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DOI: https://doi.org/10.1007/s10891-017-1702-y