Peculiarities of the nonlinear dynamics of a gas bubble under the action of resonance and noise acoustic fields

Maksimov, A. O.; Соседко, Е. В.

doi:10.1134/1.1558738

Cited by 4 publications

(2 citation statements)

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“…Theoretical and experimental investigations of acoustic cavitation [14][15][16] reveal that the complex pattern of interaction of cavitation pockets with one another and with acoustic waves in an experimental cell may lead to the formation of bistability and to transitions between steady states. Such transitions in a cavitation cloud may be treated as a nonequilibrium phase transition in a complex system of interacting cavitation pockets and acoustic waves.…”

Section: /F Fluctuations Under Conditions Of Acoustic Cavitation Of mentioning

confidence: 99%

Fluctuations with 1/f Spectrum under Conditions of Acoustic Cavitation of Water

et al. 2005

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The results are given of an experimental investigation of fluctuations under conditions of cavitation of water in an ultrasonic field. The laser photometry and resistive methods are employed. The fluctuations of the intensity of transmitted laser radiation and the fluctuations of electrical conductivity during the passage of electric current through a weak aqueous electrolyte under conditions of ultrasonic cavitation are measured in the experiments. A mode is found which is characterized by the 1/f-behavior of power spectra and by the bimodal function of local distribution of fluctuation amplitudes. The distribution function under conditions of scale roughening of realizations is investigated. It is found that an increase in the region being probed leads to scale-invariant Gaussian distributions; this agrees with the theoretical concepts of the generation of 1/f fluctuations in the case of nonequilibrium phase transitions.

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Section: /F Fluctuations Under Conditions Of Acoustic Cavitation Of mentioning

confidence: 99%

Fluctuations with 1/f Spectrum under Conditions of Acoustic Cavitation of Water

et al. 2005

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“…of the fundamental frequency f S . Individual spectral bands of the cavitation radiation are characterized by a finite width and even by definite shape [9]. The acoustic emission signal contains also a broadband noise generated by shock waves of collapsing bubbles of a wide range of sizes [10].…”

Section: Acoustic Cavitation In Insulating Oilsmentioning

confidence: 99%