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NONLINEAR FORCED OSCILLATIONS OF A BUBBLE IN A LIQUID
- Authors: Petrov A.G.1
-
Affiliations:
- Ishlinsky Institute for Problems in Mechanics of the Russian Academy of Sciences
- Issue: Vol 511, No 1 (2023)
- Pages: 55-59
- Section: МЕХАНИКА
- URL: https://ruspoj.com/2686-7400/article/view/651856
- DOI: https://doi.org/10.31857/S2686740023040119
- EDN: https://elibrary.ru/VSXFSH
- ID: 651856
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Abstract
Forced nonlinear oscillations of a gas bubble in a liquid are investigated when the frequency of fluctuations in the external pressure of the liquid is equal to the natural frequency of the bubble (resonance). By the method of averaging, a simple formula is derived for the dependence of the oscillation amplitude of a gas bubble on the amplitude of the external pressure and the thermophysical characteristics of the gas and the viscosity of the liquid. Its good agreement with numerical calculations is shown up to the value of the oscillation amplitude of the bubble radius comparable to its equilibrium value.
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About the authors
A. G. Petrov
Ishlinsky Institute for Problems in Mechanics of the Russian Academy of Sciences
Author for correspondence.
Email: petrovipmech@gmail.com
Russia, Moscow
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