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Plasma–wall transition in an oblique magnetic field
Open accessAbstract
The effect of a magnetic field on the transition layer between a plasma and an absorbing wall is studied. A numerical model is used which simulates the motion of plasma particles in the electric and magnetic fields for a prescribed particle influx at the plasma boundary. Bohm’s condition for the existence of a monotonic profile of the layer is generalized. The transition layer proves to have a double structure comprising a quasineutral magnetic presheath preceding the electrostatic Debye sheath. The magnetic presheath scales with the ion gyroradius at the sound speed and with the angle of the magnetic field. The total electric potential drop between plasma and wall proves to be fairly insensitive to the magnitude and angle of the magnetic field.
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Cited by
The Bohm criterion and sheath formation
Riemann, K. U. (1991) · Journal of Physics D: Applied Physics · doi:10.1088/0022-3727/24/4/001 · Cited by 1,046
Plasma flow and plasma–wall transition in Hall thruster channel
Keidar, M., Boyd, I. D., & Beilis, I. I. (2001) · Physics of Plasmas · doi:10.1063/1.1421370 · Cited by 198
An overview of discharge plasma modeling for Hall effect thrusters
Hara, K. (2019) · Plasma Sources Science and Technology · doi:10.1088/1361-6595/ab0f70 · Cited by 120
Taccogna, F., Minelli, P., Bruno, D., Longo, S., & Schneider, R. (2012) · Chemical Physics · doi:10.1016/j.chemphys.2011.04.004 · Cited by 12
Kinetic plasma dynamics in a radial model of a Hall thruster with a curved magnetic field
Marín-Cebrián, A., Domínguez-Vázquez, A., Fajardo, P., & Ahedo, E. (2022) · Plasma Sources Science and Technology · doi:10.1088/1361-6595/ac9a6b · Cited by 7
Metadata
- Authors
- Chodura, R.
- Venue
- The Physics of Fluids
- Publisher
- AIP Publishing
- Published
- 1982-09-01
- Volume
- 25
- Issue
- 9
- Pages
- 1628-1633
- ISSN
- 0031-9171 (ISSN-L)
- OpenAlex
- W1993768334
- Cited by
- 518
- References
- 0
- FWCI
- 4.22
- Type
- journal article
- Language
- en
- Open access
- green
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- Chodura, R. (1982). Plasma–wall transition in an oblique magnetic field. The Physics of Fluids. https://doi.org/10.1063/1.863955
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