Evaluation of Optimum Model and Conditions Providing Increasing Ultrasonic Cavitation Area in High-Viscous and Non-Newtonian Fluids

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Roman Nikolaevich GOLYKH
Andrey SHALUNOV
Vladimir KHMELEV
Roman LOPATIN
Vyacheslav MINAKOV
Vladislav SHAKURA

Abstract

The aim of this work is to improve the efficiency of chemical technology processes implemented in high viscosity or non-Newtonian fluids by identifying modes and conditions of ultrasonic action, which provide an increase in the volume of the cavitation area formed. As a result of the research, a phenomenological model of cavitation area formation in the non-Newtonian medium has been developed. The analysis of the model allows to calculate the optimal intensity of ultrasonic action (for linear-viscous fluids, the optimal intensity ranges from 1.6 to 80 W/cm2; for nonlinear-viscous fluids up to 120 W/cm2) and the distance (60-125 cm) between the irradiating surface and the reflecting boundary providing the maximum cavitation area volume. In finish the model was confirmed experimentally.

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How to Cite
[1]
2020. Evaluation of Optimum Model and Conditions Providing Increasing Ultrasonic Cavitation Area in High-Viscous and Non-Newtonian Fluids. Romanian Journal of Acoustics and Vibration. 17, 2 (Dec. 2020), 101–108.
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How to Cite

[1]
2020. Evaluation of Optimum Model and Conditions Providing Increasing Ultrasonic Cavitation Area in High-Viscous and Non-Newtonian Fluids. Romanian Journal of Acoustics and Vibration. 17, 2 (Dec. 2020), 101–108.