2024
DOI: 10.1017/jfm.2024.1027
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Bubble shape oscillations in a turbulent environment

Aliénor Rivière,
Kamel Abahri,
Stéphane Perrard

Abstract: We study single bubble deformation statistics in an homogeneous and isotropic turbulent flow by means of direct numerical simulations. We consider bubbles at low Weber number ( $We <3$ ) that have not been broken. We show that we can reproduce bubble deformations with a linear dynamics for each spherical harmonic mode. Inferring the coefficients of the linear model from the DNS data, we find that the natural frequency corresponds to the Rayleigh frequency, derived in a quiescent fl… Show more

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