Numerical modeling of a pinch in a vacuum diode with laser ignition

I. P. Tsygvintsev; A. Yu. Krukovskiy; V. A. Gasilov; V. G. Novikov; I. V. Romanov; V. L. Paperny; A. A. Rupasov

doi:10.1134/S2070048216050136

Numerical modeling of a pinch in a vacuum diode with laser ignition

Authors: Tsygvintsev I.P.¹, Krukovskiy A.Y.¹, Gasilov V.A.¹, Novikov V.G.¹, Romanov I.V.², Paperny V.L.³, Rupasov A.A.²
Affiliations:
1. Keldysh Institute of Applied Mathematics
2. Lebedev Physical Institute
3. Irkutsk State University
Issue: Vol 8, No 5 (2016)
Pages: 595-605
Section: Article
URL: https://journals.rcsi.science/2070-0482/article/view/201279
DOI: https://doi.org/10.1134/S2070048216050136
ID: 201279

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Abstract

The present paper is concerned with the mathematical model and methods of numerical analysis of processes in plasma created in a vacuum chamber by means of a discharge initiated on a cathode by a pulsed laser. The model is capable of describing in a two-dimensional approximation the formation of a plume’ of laser plasma and the magneto-hydrodynamic effects (pinching, etc.) due to the current in the plasma. The results of the first numerical experiments with this model are presented.