Bubbles induced fluctuations of some properties of aqueous solutions |
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Authors: | V M Shatalov A E Filippov I V Noga |
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Institution: | 1. Donetsk National University, Donetsk, 83050, Ukraine 2. Galkin Donetsk Institute for Physics and Engineering, National Academy of Sciences of Ukraine, Donetsk, 83114, Ukraine
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Abstract: | A mathematical model of the air diffusion process through the water surface taking into account the reverse flow of bubbles was proposed. The numerical solving gives self-oscillation of the dissolved air concentration. Spectral density of these oscillations has the 1/f-noise form, which explains the fluctuating nature of the observed properties of water and biological effects, which depend on the amount of dissolved air. A mechanism of spontaneous water luminescence observed after laser irradiation was suggested. The calculated luminescence self-oscillations have the form of a fractal with an infinite sequence of periods, which evolve in time and that is qualitatively consistent with the experiment. |
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