Regulation of the density distribution of a strongly dissipative plasma by a pulsed magnetic field

Wenbin LING (凌文斌); Chenggang JIN (金成刚); Jian GUAN (关键); Yuye ZHANG (张钰业); Peng E (鄂鹏)

doi:10.1088/2058-6272/ac2042

Plasma Science and Technology > 2021 > 23(11): 115401. > DOI: 10.1088/2058-6272/ac2042

Wenbin LING (凌文斌), Chenggang JIN (金成刚), Jian GUAN (关键), Yuye ZHANG (张钰业), Peng E (鄂鹏). Regulation of the density distribution of a strongly dissipative plasma by a pulsed magnetic field[J]. Plasma Science and Technology, 2021, 23(11): 115401. DOI: 10.1088/2058-6272/ac2042

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Regulation of the density distribution of a strongly dissipative plasma by a pulsed magnetic field

¹ School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, People's Republic of China
² Laboratory for Space Environment and Physical Sciences, Harbin Institute of Technology, Harbin 150001, People's Republic of China

Funds: This work was supported by National Natural Science Foundation of China (Nos. 11975086, 51577043).

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Received Date: May 01, 2021
Revised Date: August 18, 2021
Accepted Date: August 22, 2021

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Abstract

Abstract

A pulsed transverse magnetic field with pulse width of 12 ms and magnitude of 2 T was used to modify the density distribution of a weakly-ionized plasma flow with strong collisions between the charged particles and neutrals. The morphology of the plasma is changed substantially, with the density increased upstream and decreased downstream. Meanwhile, the plasma toward the axis contracts laterally and gradually converges to a collimated flow. In addition, a drift wave is observed to be excited in the inhomogeneous plasma by the magnetic field.
- pulsed magnetic field,
- weakly-ionized plasma,
- plasma dynamics,
- drift instability

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Regulation of the density distribution of a strongly dissipative plasma by a pulsed magnetic field