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Book contents
- Frontmatter
- Dedication
- Contents
- Preface
- Acknowledgments
- Part 1 Fundamentals
- Part 2 Hydrodynamics of Complex Flows
- 9 Influence of initial conditions
- 10 Flow properties
- 11 Rotation and time-dependent acceleration
- 12 Direction, strength, and shape of incident shock waves
- 13 Reshock andmulti-shocks
- 14 Combined instabilities
- 15 Geometrical configurations
- 16 Convergent/divergent geometry
- 17 Magnetohydrodynamic fluid instabilities
- Part 3 From the Microscopic to Cosmic Scales
- References
- Index
17 - Magnetohydrodynamic fluid instabilities
from Part 2 - Hydrodynamics of Complex Flows
- Frontmatter
- Dedication
- Contents
- Preface
- Acknowledgments
- Part 1 Fundamentals
- Part 2 Hydrodynamics of Complex Flows
- 9 Influence of initial conditions
- 10 Flow properties
- 11 Rotation and time-dependent acceleration
- 12 Direction, strength, and shape of incident shock waves
- 13 Reshock andmulti-shocks
- 14 Combined instabilities
- 15 Geometrical configurations
- 16 Convergent/divergent geometry
- 17 Magnetohydrodynamic fluid instabilities
- Part 3 From the Microscopic to Cosmic Scales
- References
- Index
Summary
This chapter contains a discussion of the coupling of a magnetic field, through the framework of magnetohydrodynamics (MHD), to the hydrodynamic body forces. This leads to an additional body force, namely the Lorentz force on electrical currents in the fluid. Due to their conductivity, this effect is especially important for ionized plasmas. The intuitive result is that the magnetic field lines follow the flow, and they have an effective tension that can stabilize the RTI. As with the RTI, the RMI can be suppressed by a magnetic field.
Keywords
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- Information
- Hydrodynamic Instabilities and TurbulenceRayleigh–Taylor, Richtmyer–Meshkov, and Kelvin–Helmholtz Mixing, pp. 339 - 356Publisher: Cambridge University PressPrint publication year: 2024