Calculation of current distribution in tungsten plate under exposure to a pulsed electron beam

In the mathematical model of melting of a tungsten plate exposed to a pulsed electron beam, the calculation of the current distribution in the medium is added. The model takes into account the heterogeneity of the resistivity. This enables modeling of non-uniform heated material. The current is expected to spread into the depth due to the increased resistance of the heated part. Changing the thickness of the tungsten plate, one can increase the current density in the melt. The calculation results for parameters corresponding to those used on the BETA facility at BINP SB RAS show that no current concentration occur. The Ampere force is not large enough for the rotation observed in the experiments. © Published under licence by IOP Publishing Ltd.

Authors
Lazareva G.G. 1, 3, 4, 5 , Arakcheev A.S.3, 4, 2 , Popov V.A. 3, 2 , Maksimova A.G.1, 3, 2 , Kapina E.S.3
Conference proceedings
Journal of Physics: Conference Series
Publisher
Institute of Physics Publishing
Number of issue
1
Language
English
Status
Published
DOI
10.1088/1742-6596/1392/1/012043
Number
012043
Volume
1392
Year
2019
Organizations
  • 1 ICMandMG SB RAS, Ac. Lavrentieva Pr. 6, Novosibirsk, 630090, Russian Federation
  • 2 BINP SB RAS, Ac. Lavrentieva Pr. 11, Novosibirsk, 630090, Russian Federation
  • 3 Novosibirsk State University, Pirogova str. 1, Novosibirsk, 630090, Russian Federation
  • 4 Novosibirsk State Technical University, Prospekt K. Marksa 20, Novosibirsk, 630073, Russian Federation
  • 5 Peoples' Friendship University of Russia, RUDN University, 6 Miklukho-Maklaya street, Moscow, 117198, Russian Federation
Keywords
Electric current distribution measurement; Electron beams; Electron sources; Supercomputers; Ampere force; Calculation results; Current concentration; Current distribution; Exposed to; Heated material; Non-uniform; Pulsed electron beams; Tungsten plating
Date of creation
10.02.2020
Date of change
10.02.2020
Short link
https://repository.rudn.ru/en/records/article/record/56272/
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