FIELD: physics.
SUBSTANCE: in liquid medium raise the pulsewise-modulated ultrasonic oscillations with the duration of modulating impulses corresponding to time of formation in liquid medium of cloud gas-vapor vials, a radiator screening surface, and duration of pauses between the modulating impulses, corresponding to relaxation time of screening cloud. Duration of modulating impulses and pauses between them can spot on concentration change of gas-vapor vials in screening cloud, or on change of level of ultrasonic oscillations in liquid medium behind screening cloud, or on change of electrical parametres of electroacoustical radiator.
EFFECT: increase of efficiency of the cavity ultrasonic processing at expense of maintenance of inconvertible cavitation on all volume of liquid medium during all time of processing.
1 dwg, 4 cl
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