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Structure and local parameters of self-compressed plasma streams in external magnetic field

Yuliia Volkova
Yuliia Volkova
, 
Dmytro Solyakov
Dmytro Solyakov
, 
Anna Marchenko
Anna Marchenko
, 
Volodymyr Chebotarev
Volodymyr Chebotarev
, 
Igor Garkusha
Igor Garkusha
, 
Vadym Makhlai
Vadym Makhlai
, 
Maryna Ladygina
Maryna Ladygina
, 
Tetyana Merenkova
Tetyana Merenkova
, 
Dmytro Yeliseyev
Dmytro Yeliseyev
, 
Yurii Petrov
Yurii Petrov
 and 
Valerii Staltsov
Valerii Staltsov
   | Apr 03, 2023
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Article Category: ORIGINAL PAPER
Published Online: Apr 03, 2023
Page range: 3 - 9
Received: Sep 22, 2022
Accepted: Nov 24, 2022
DOI: https://doi.org/10.2478/nuka-2023-0001
Keywords
© 2023 Yuliia Volkova et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1.

The MPC accelerator with the magnetic coil and probe installed inside the vacuum chamber.
The MPC accelerator with the magnetic coil and probe installed inside the vacuum chamber.

Fig. 2.

The double probe and discharge current signals for three consecutive MPC shots.
The double probe and discharge current signals for three consecutive MPC shots.

Fig. 3.

The electron temperature vs. distance from the MPC output measured at the radius of 2 cm from the center of the plasma stream for three moments of the discharge: (a) 8 μs, (b) 10 μs, and (c) 16 μs.
The electron temperature vs. distance from the MPC output measured at the radius of 2 cm from the center of the plasma stream for three moments of the discharge: (a) 8 μs, (b) 10 μs, and (c) 16 μs.

Fig. 4.

Double probe I–V curve plotted semi-logarithmically vs. the probe voltage where the transition region consists of two linear segments indicating the presence of two groups of electrons.
Double probe I–V curve plotted semi-logarithmically vs. the probe voltage where the transition region consists of two linear segments indicating the presence of two groups of electrons.

Fig. 5.

The probe used for the measurements of the electric field radial component.
The probe used for the measurements of the electric field radial component.

Fig. 6.

Distributions of the electric current and drift velocity without (a) and with an external B-field (b) at 8 μs of the discharge. The black arrows indicate the direction of the current flow; the red arrows depict the direction of the drift velocity.
Distributions of the electric current and drift velocity without (a) and with an external B-field (b) at 8 μs of the discharge. The black arrows indicate the direction of the current flow; the red arrows depict the direction of the drift velocity.

Fig. 7.

Distributions of the electric current and drift velocity without (a) and with an external B-field (b) at 16 μs of the discharge. The black arrows indicate the direction of the current flow; the red arrows depict the direction of the drift velocity.
Distributions of the electric current and drift velocity without (a) and with an external B-field (b) at 16 μs of the discharge. The black arrows indicate the direction of the current flow; the red arrows depict the direction of the drift velocity.

Fig. 8.

The illustration of the behavior of current density, magnetic field, temperature, and drift velocity near the center of the plasma stream at the distance of 6–8 cm.
The illustration of the behavior of current density, magnetic field, temperature, and drift velocity near the center of the plasma stream at the distance of 6–8 cm.
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Language:
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