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Abstract

Evolutions in Mechanical Engineering

Study The Effect of Anode Length on Nitrogen Plasma Pinch Dimensions in NX2 and UNU / ICTP PFF Dense Plasma Focus Devices

Submission: September 03, 2021; Published: October 29, 2021

DOI: 10.31031/EME.2020.03.000573

ISSN: 2640-9690
Volume3 Issu5

Abstract

In this study, the effect of the difference in anode length in the two dense plasma focus devices NX2 and UNU / ICTP PFF on the resulting nitrogen plasma pinch was studied by performing a numerical simulation of the work of these two devices using Lee’s code. And the study of the change in the dimensions of the pinch when the pressure of nitrogen gas changes in both devices studied. The study showed the effect of the low value of the anode length in the NX2 device on the axial velocity of the plasma layer, and consequently, the arrival of a larger amount of energy stored in the capacitor bank to the compression phase and the formation of the plasma pinch. Also, the change in soft X-rays yield emitted by both devices was studied at the same pressure value P=3 Torr, where the highest value of soft X-rays was Ysxr = 4.5J in the NX2 device and Ysxr = 0.2J in the UNU / ICTP PFF device.

Keywords: Plasma pinch; Lee’s code; Soft X-ray yield

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