Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session T12: Biomedical, Cavitation and Acoustics I
4:25 PM–5:56 PM,
Monday, November 20, 2023
Room: 143B
Chair: Aswin Gnanaskandan, Worcester Polytechnic Institute
Abstract: T12.00002 : Investigating the hydrodynamic parameters and thermodynamic properties of a collapsing bubble at nanoscales using Molecular Dynamics Simulations
4:38 PM–4:51 PM
Presenter:
Anthony C Ekemezie
(South Dakota School of Mines and Technology)
Authors:
Anthony C Ekemezie
(South Dakota School of Mines and Technology)
Joseph Thalakkottor
(South Dakota School of Mines and Technology)
Collaboration:
Anthony Ekemezie, Joseph John Thalakkottor
South Dakota School of Mines and Technology
South Dakota, United States
Corresponding author, E-mail: joseph.JohnThalakkottor@sdsmt.edu
There has been a generalized discrepancy of radius parameters and thermodynamic properties at the point of final collapse and rebound of the bubble during cavitation below the micro-scale. Here we will investigate these parameters and properties by doing a parametric study using molecular dynamics (MD) simulations. MD simulations allow us to resolve the bubble down to nanoscales. The results from the simulations will be compared with the Rayleigh-Plesset equation and other analytical models, that describe the evolution of a collapsing and growing bubble. This study will help determine the validity of continuum models at nano-scales.
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