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[en] The problem of coalescence of two pulsating spherical bubbles is studied using Lagrangian formalism in assumptions that the acoustic field is weak, the frequency of the external impact is appreciably less than natural oscillation frequency and influence of viscosity on phase of radii pulsation is small. The obtained necessary condition for coalescence of the bubbles is determined by the dimensionless parameter, whose boundary value is nonlinearly depending on the quotient of the bubbles' radii. (paper)
Journal
Journal of Physics. Conference Series (Online); ISSN 1742-6596; 
; v. 656(1); [4 p.]
; v. 656(1); [4 p.]