On the evolution of magnetohydrodynamic flow instability in shock-accelerated light bubble

被引：1

作者：

Sreekala, Vishnu Asokakumar ^{[1
]}

Sengupta, Bidesh ^{[2
]}

Kammara, Kishore K. ^{[3
]}

Singh, Satyvir ^{[4
]}

机构：

[1] Victoria Univ Wellington, SCPS, Wellington 6012, New Zealand

[2] Univ Bologna, Dept Phys & Astron, Bologna, Italy

[3] BMS Coll Engn, Dept Aerosp Engn, Bengaluru, India

[4] Rhein Westfal TH Aachen, Appl & Computat Math, Aachen, Germany

来源：

PHYSICS OF FLUIDS | 2024年 / 36卷 / 10期

关键词：

Compendex;

D O I：

10.1063/5.0231385

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The study investigates the evolution of flow instabilities in a magnetohydrodynamic (MHD) environment involving a shock-accelerated light cylindrical bubble. Numerical simulations were conducted using a cylindrical helium (He) bubble accelerated by a shock wave in nitrogen (N-2) gas at various magnetic field strengths. The results highlight the impact of magnetic fields on flow morphology, vorticity generation, and enstrophy. The interaction between incident shock waves and the gas bubble revealed significant differences in flow patterns and interface features when magnetic fields were applied. Key findings include the quantification of shock trajectories and detailed visualizations of the evolving flow structure. The study provides insights into the dynamics of shock-bubble interactions under MHD conditions, contributing to the broader understanding of flow instability mechanisms in such complex environments.

引用

页数：17