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A simple plasma diagnostic based on processing the electrical signals from coaxial discharges

H Bruzzone, H Acuña, M Barbaglia, A Clausse2006年Plasma Physics and Controlled FusionIF 2.2出版社

A technique for the determination of the inductance evolution in coaxial discharges based on measurements of the voltage between the electrodes and of the discharge current time derivative is presented and discussed. The technique is applied to measurements performed in a 5.7 kJ plasma focus device operating with deuterium filling in the 1–6 mbar range (which is the neutron yield range) and the obtained results are in good agreement with the expected evolution of a current sheet within the electrodes system.

日本語訳

同軸放電におけるインダクタンスの時間変化を決定する手法について、電極間の電圧と放電電流の時間微分の測定に基づく方法を提示し、考察する。本手法は、重水素充填圧力1〜6mbarの範囲で動作する5.7kJプラズマフォーカス装置において実施された測定に適用される(この圧力範囲は中性子収量が得られる範囲である)。得られた結果は、電極系内部における電流シートの期待される時間発展と良好な一致を示す。

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Plasma diagnostics
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