FIELD: physics.
SUBSTANCE: use for excitation of acoustic oscillations in compact, discrete, moisture-saturated and liquid media. Summary of invention consists in the fact that thermo-cyclic treatment of acoustic waveguides in heat exchangers by means of heated and cooled liquid, wherein liquid can be presented in the form of a suspension with material of granules of solid heat carrier with average size of less than 0.5 mm, which is selected similar or inert in chemical composition with material of acoustic waveguide, but close to it in density.
EFFECT: enabling excitation of acoustic oscillations in compact, discrete, moisture-saturated and liquid media for industrial use, capable of generating spherical, cylindrical and flat longitudinal acoustic wave with stress in compression unit at level not exceeding yield point of base material of acoustic waveguide.
5 cl, 1 dwg
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