In the present work, a diffuse interface model has been used to numerically investigate the laser-induced cavitation of nano/microbubbles. The mesoscale approach is able to describe the cavitation process in its entirety, starting from the vapor bubble formation due to the focused laser energy deposition, up to its macroscopic motion.In particular, the simulations show a complete and detailed description of the bubble formation and the subsequent breakdown wave emission with a precise estimation of the energy partition between the shockwave radiating in the liquid and the internal energy of the bubble. The scaling of the ratio between the energy stored in the bubble at its maximum radius and the one deposited by the laser is found in agreement with experimental observation on macroscopic bubbles

Diffuse interface modeling of laser-induced nano/micro cavitation bubbles / Abbondanza, Dario; Gallo, Mirko; Casciola, Carlo Massimo. - In: PHYSICS OF FLUIDS. - ISSN 1070-6631. - 35:(2023). [10.1063/5.0136525]

Diffuse interface modeling of laser-induced nano/micro cavitation bubbles

Dario Abbondanza
Primo
Formal Analysis
;
Mirko Gallo
Secondo
Methodology
;
Carlo Massimo Casciola
Ultimo
Conceptualization
2023

Abstract

In the present work, a diffuse interface model has been used to numerically investigate the laser-induced cavitation of nano/microbubbles. The mesoscale approach is able to describe the cavitation process in its entirety, starting from the vapor bubble formation due to the focused laser energy deposition, up to its macroscopic motion.In particular, the simulations show a complete and detailed description of the bubble formation and the subsequent breakdown wave emission with a precise estimation of the energy partition between the shockwave radiating in the liquid and the internal energy of the bubble. The scaling of the ratio between the energy stored in the bubble at its maximum radius and the one deposited by the laser is found in agreement with experimental observation on macroscopic bubbles
2023
diffuse interface; bubble dynamics; cavitation
01 Pubblicazione su rivista::01a Articolo in rivista
Diffuse interface modeling of laser-induced nano/micro cavitation bubbles / Abbondanza, Dario; Gallo, Mirko; Casciola, Carlo Massimo. - In: PHYSICS OF FLUIDS. - ISSN 1070-6631. - 35:(2023). [10.1063/5.0136525]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1667914
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