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- Title
Relaxation and power spectra of low-frequency fluctuations in foams.
- Authors
Reshetnikov, A.; Skokov, V.; Koverda, V.
- Abstract
The dynamics of foam formation in a water-glycerin solution was studied to establish the relationship between the relaxation characteristics and the fluctuation power spectrum for a stochastic process. Foaming occurred during the dissociation of the gas-saturated solution and during bubbling of the solution through a porous filter. Two types of relaxation of the foam-exponential and power-law-were revealed. The power-law type of relaxation was observed upon exposure to ultrasound. Relationships between the type of relaxation and the distribution of lowfrequency fluctuations and power spectra was established.
- Subjects
RELAXATION (Gas dynamics); POWER spectra; FLUCTUATIONS (Physics); FOAM; BUBBLES; DISTRIBUTION (Probability theory)
- Publication
Journal of Applied Mechanics & Technical Physics, 2012, Vol 53, Issue 6, p834
- ISSN
0021-8944
- Publication type
Article
- DOI
10.1134/S0021894412060041