Properties of the distribution of azimuthal magnetic field in a plasma flow during laboratory simulations of astrophysical jets in a plasma-focus installation


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The results of laboratory simulations of astrophysical jets are presented. Plasma flows generated in the PF-3 plasma-focus installation of the NRC “Kurchatov Institute” and propagating to distances substantially exceeding their transverse dimensions are studied. It is shown usingmagnetic probes that the plasma flow propagates with a frozen-in magnetic field. The resulting radial distribution of the azimuthal magnetic field corresponds well to the distribution created by a longitudinal current of ~10 kA flowing in a region with a radius of 1–2 cm near the axis. Structures associated with return currents are observed at the periphery of the flow. The magnetic field decays rapidly as the flow propagates along the axis. Nevertheless, the leading lobe of the plasma flow is preserved to substantial distances in a neon discharge, possibly due to radiative cooling of the plasma.

作者简介

K. Mitrofanov

Troitsk Institute for Innovation and Fusion Research

编辑信件的主要联系方式.
Email: mitrofan@triniti.ru
俄罗斯联邦, ul. Pushkovykh 12, Moscow, 142190

V. Krauz

NRC “Kurchatov Institute,”

Email: mitrofan@triniti.ru
俄罗斯联邦, pl. Akademika Kurchatova, Moscow, 123182

V. Myalton

NRC “Kurchatov Institute,”

Email: mitrofan@triniti.ru
俄罗斯联邦, pl. Akademika Kurchatova, Moscow, 123182

V. Vinogradov

NRC “Kurchatov Institute,”

Email: mitrofan@triniti.ru
俄罗斯联邦, pl. Akademika Kurchatova, Moscow, 123182

A. Kharrasov

NRC “Kurchatov Institute,”

Email: mitrofan@triniti.ru
俄罗斯联邦, pl. Akademika Kurchatova, Moscow, 123182

Yu. Vinogradova

NRC “Kurchatov Institute,”

Email: mitrofan@triniti.ru
俄罗斯联邦, pl. Akademika Kurchatova, Moscow, 123182

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