Fluctuation dynamics and 1/f spectra characterizing the acoustic cavitation of liquids |
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| Authors: | V N Skokov A V Reshetnikov A V Vinogradov V P Koverda |
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| Institution: | (1) Institute of Thermal Physics, Ural Division, Russian Academy of Sciences, ul. Pervomaĭskaya 91, Yekaterinburg, 620219, Russia |
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| Abstract: | The dynamics of acoustic cavitation in water and glycerin is studied experimentally. The power spectra and distribution functions of fluctuations are determined. In transient regimes, bubble structures in the form of fractal clusters are formed near the ultrasonic radiator. The power spectra have the form 1/f, and the distribution functions of local fluctuations differ from the Gaussian ones and exhibit the scale invariance property. |
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