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physics.flu-dyn2021
Ephemeral Antibubbles: Spatiotemporal Evolution from Direct Numerical Simulations
Nairita Pal, Rashmi Ramadugu, Prasad Perlekar +1
Antibubbles, which consist of a shell of a low-density fluid inside a high-density fluid, have several promising applications. We show, via extensive direct numerical simulations (…
physics.flu-dyn2021★ 10 cited
Surface tension as the destabiliser of a vortical interface
Rashmi Ramadugu, Prasad Perlekar, Rama Govindarajan
We study the dynamics of an initially flat interface between two immiscible fluids, with a vortex situated on it. We show how surface tension causes vorticity generation at a gener…