Estimation of the initial density distribution in plasma–metal liners


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We describe a method for estimating the initial density profile of the liner shell from experimental current and voltage oscillograms with correction of the radius of the pinch from its optical images. It is shown that the average radial profile of the initial density distribution of plasma–metal liners can be approximated by two Gaussian curves with different dispersions. The largest contribution to the main peak of the initial density distribution comes from bismuth cathode material (bismuth) ions, while the contribution to the second Gaussian curve is due to the substance of the insulator over the surface of which the vacuum arc is initiated.

作者简介

A. Rousskikh

Institute of High-Current Electronics

编辑信件的主要联系方式.
Email: russ@ovpe2.hcei.tsc.ru
俄罗斯联邦, Akademicheskii pr. 2/3, Tomsk, 634055

A. Zhigalin

Institute of High-Current Electronics

Email: russ@ovpe2.hcei.tsc.ru
俄罗斯联邦, Akademicheskii pr. 2/3, Tomsk, 634055

V. Oreshkin

Institute of High-Current Electronics; Tomsk Polytechnic University

Email: russ@ovpe2.hcei.tsc.ru
俄罗斯联邦, Akademicheskii pr. 2/3, Tomsk, 634055; pr. Lenina 30, Tomsk, 634050

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