Features of the Application of the Magnetic-probe Method for Diagnostics of High-temperature Plasma

被引:10
|
作者
Mitrofanov, K. N. [1 ]
Krauz, V. I. [2 ]
Grabovski, E. V. [1 ]
Myalton, V. V. [2 ]
Paduch, M. [3 ]
Gritsuk, A. N. [1 ]
机构
[1] Troitsk Inst Innovat & Fus Res, State Res Ctr Russian Federat, Moscow 142190, Russia
[2] Kurchatov Inst Natl Res Ctr, Moscow 123182, Russia
[3] Inst Plasma Phys & Laser Microfus, PL-01497 Warsaw, Poland
基金
俄罗斯基础研究基金会;
关键词
CURRENT SHEATH; CURRENT SHEET; FOCUS; DYNAMICS; FACILITY; DEVICE;
D O I
10.1134/S0020441218010281
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Some aspects of the applicability of the magnetic-probe technique in high-power pulsed discharges are analyzed. The influence of an electron beam and an intense X-ray yield of (similar to 1 TW/cm(2)), which result from the compression of high-current plasma in the interelectrode gap of a Z-pinch discharge, on the correctness of measurements using magnetic-field probes was studied. We considered the use of multilayer shells as a method for protecting the sensing element of a magnetic probe. The results of experimental testing of probes of a new design in experiments with wire assemblies on the Angara-5-1 facility at discharge currents of up to 4 MA are presented. Experiments on the Angara-5-1, PF-3, and PF-1000 high-power electrophysical facilities show the effect of the shape and material of the probe shell on the perturbation of plasma that flows around a probe and, as a consequence, on the accuracy of the magnetic-field measurements.
引用
收藏
页码:239 / 259
页数:21
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