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Generation and Diagnostics of Pulse Plasma Flows
Plasma Physics Reports ( IF 0.9 ) Pub Date : 2020-04-26 , DOI: 10.1134/s1063780x20040121
A. B. Tazhen , Zh. R. Rayimkhanov , M. K. Dosbolayev , T. S. Ramazanov

Abstract

Pulsed plasma accelerators are widely used for the production of high-temperature pulsed plasma flows for fundamental and practical applications. The basic parameters of pulsed plasma accelerators are the characteristics of the external electric and magnetic circuits, as well as the structural and energy properties of the plasma flow. This work aims to characterize an IPU-30 pulsed plasma accelerator. The triple Langmuir probe method, calorimetric plasma energy density measurements, Rogowski coil, and high-speed visible imaging with a Phantom VEO710S fast camera are used to diagnose the pulsed plasma obtained in the IPU-30. The local plasma parameters such as electron temperature and density, the energy density of the pulsed plasma flow, pulsed plasma current, and also discharge current are experimentally obtained at different discharge voltages and air pressure in the chamber. The typical waveforms of the triple probe and Rogowski coil are presented in the form of oscillograms. The images of plasma formation in the discharge gap are obtained and the velocity of a pulsed plasma flow is measured.


中文翻译:

脉冲等离子流的产生和诊断

摘要

脉冲等离子体加速器被广泛用于基础和实际应用的高温脉冲等离子体流的生产。脉冲等离子加速器的基本参数是外部电路和磁路的特性,以及等离子流的结构和能量特性。这项工作旨在表征IPU-30脉冲等离子体加速器。三重Langmuir探针法,量热等离子体能量密度测量,Rogowski线圈和使用Phantom VEO710S快速相机的高速可见成像用于诊断在IPU-30中获得的脉冲等离子体。局部等离子体参数,例如电子温度和密度,脉冲等离子体流的能量密度,脉冲等离子体电流,并且在不同的放电电压和腔室内的空气压力下通过实验获得放电电流。三重探头和Rogowski线圈的典型波形以波形图的形式呈现。获得放电间隙中等离子体形成的图像,并测量脉冲等离子体流的速度。
更新日期:2020-04-26
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