Abstract
The paper presents the energy evaluation of cavitation treatment of technological environments with the aim of establishing such parameters that implement the optimal conditions to maximize the transfer of energy to the stages in cavitation generation, development and slam shut bubbles. Accounting multiple transformation of energy of ultrasonic vibrations, as the need to improve the efficiency of the process based on the gradual definition of qualitative and quantitative picture of the energy in the contact zone of cavitation and technological environment and conditions of transfer of energy to the technological environment. Definition and consistent calculation of the energy conversion chain for the implementation of this idea used existing and developed new criteria for evaluating methods of acoustic treatment of technological environments: the intensity, the ratio of energies, a synergistic coefficient, coefficient of energy absorption, the rate of change of pressure in time; the wave resistance of the medium in the regimes of cavitation resistance of the initial state of the environment and others. This approach, as the process of improving existing or establishing new systems and technologies is synergistic systems. On the basis of research and evaluation of these criteria formulated synergistic principles of perfecting of conditions and parameters of the system “ultrasonic installation – technology environment”.
Highlights
Cavitation technology occupies a prominent place in a number of advanced and effective methods of processing different environments and the creation of new materials
The uniqueness and efficiency of this technology is due to the formation of cavitation vapor bubbles in the process medium, which accumulate energy when they expand in one halfcycle of ultrasonic vibrations and form shock waves and cumulative jets when compressed in another half-period
A number of works are devoted to the study of the energy of ultrasonic cavitation action on the technological environment
Summary
Cavitation technology occupies a prominent place in a number of advanced and effective methods of processing different environments and the creation of new materials. The main problem in creating the conditions for the implementation of the maximum direction of energy flows is that the acoustic apparatus, as an energy source and technological environment, as its consumer, have fundamentally different properties and their manifestation in interaction with each other The solution to this problem is to determine and consistently take into account the multiple energy conversion of ultrasonic vibrations based on the. To determine and consistently calculate the stages of energy conversion in the work used existing and developed new criteria for evaluating methods of acoustic processing of technological environments: intensity, energy ratio, synergetic coefficient, energy absorption coefficient, rate of pressure change over time; wave resistance of the medium in cavitation modes to the resistance of the initial state of the medium and others. Synergetic principles of improving the modes and parameters of systems “ultrasonic installation – technological environment” are formulated
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