Abstract
The paper presents approach to optimal control of intensity of ulrasonic oscillations. The goal of control is providing maximum of energy efficiency of changing of structure and characteristic of mediums. The goal is achieved by developing complex phenomenological model of process under ultrasonic oscillations. The phenomenological model takes into account kinetics of processes and allows to determine real energy consuming. The model was tested on processes mechanical destruction of macromolecules and dispersing. The results of calculations by the model are dependencies of fractional composition liquid macromolecules and solid particles on time and viscosity of liquid, structure component of attenuation coefficient on intensity and viscosity of liquid. The model allows to evaluate multipliers for intensity providing maximum efficiency of cavitation. The multipliers allow to optimizing ultrasonic influence (increasing energy efficiency) and constant for specific process. Using of the multipliers increases the energy efficiency of process up to 1.8 times. Obtained results confirmed by experiments and can be used for ultrasonic equipment development.
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