We have investigated the specific features of excitation and formation of cavitation zones in ultrasound fields with a sound power density of up to 37 W/cm2 generated by a rod radiator with a power consumption of up to 5 kW. The influence of hydrodynamical flows generated in a liquid medium by the rod waveguide itself on the formation and characteristics of cavitation zones in an intense ultrasound field has been considered for the first time. The possibility of increasing the physical activity of cavitation by introducing activating additives into the medium has been explored. On the basis of the investigations made, proposals have been formulated for increasing significantly the cavitation zone activity and the efficiency of cavitation treatment of media and materials.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 87, No. 3, pp. 650–663, May–June, 2014.
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Bakhtin, B.I., Ivashov, A.I., Kuznetsov, A.V. et al. Experimental Investigation of the Specific Features of Formation of Cavitation Zones in Intense Ultrasound Fields. J Eng Phys Thermophy 87, 672–685 (2014). https://doi.org/10.1007/s10891-014-1059-4
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DOI: https://doi.org/10.1007/s10891-014-1059-4