Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session G23: Free Surface Flows: Instability
3:00 PM–4:05 PM,
Sunday, November 19, 2023
Room: 149AB
Chair: Dinesh Bhagavatula, Indian Institute of Technology BHU
Abstract: G23.00004 : Numerical investigation of perturbation growth in a liquid metal liner slab using a level set-base two-phase solver
3:39 PM–3:52 PM
Presenter:
Paria Makaremi Esfarjani
(Mcgill University)
Authors:
Paria Makaremi Esfarjani
(Mcgill University)
Andrew J Higgins
(McGill Univ)
In this study, we have developed a level set-based two-phase incompressible solver, which has been extended to conducting flows by incorporating the Lorentz force. This solver is then utilized to investigate the temporal evolution of surface ripples on a finite liquid metal liner slab experiencing the magneto-Rayleigh-Taylor instability. By employing the numerical solver, the effect of various factors like liner thickness and magnetic field strength on the perturbation growth rate is analyzed. Additionally, the feedthrough phenomenon, wherein the initially developed perturbations at the inner surface of the liquid liner propagate to the outer surface, is examined. Since the feedthrough effect detrimentally impacts plasma compression performance, a detailed numerical analysis is needed.
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