The Dynamics of an Aerosol in an Open Tube under Oscillations of Various Intensities near Resonance
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The dynamics of an aerosol in an open tube under the action of acoustic waves of various intensities near the first eigenfrequency in the transient mode, when shock waves are not formed, was experimentally studied. The time–pressure profiles of the aerosol were obtained, whose shape becomes somewhat different from the harmonic one only at resonance. The time of aerosol clearing for different frequencies and the piston-displacement amplitudes is determined. It is demonstrated that the dependence of the aerosol clearing time on frequency with a minimum at the first eigenfrequency is nonmonotonic in character. In the transition mode, the aerosol clearing occurs 1.5 times faster than in the shock-free wave mode with the same piston-displacement amplitudes.
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