Time-to-Pinch Investigation of 5kJ Mather-Type Plasma Focus Device

Time-to-Pinch Investigation of 5kJ Mather-Type Plasma Focus Device The Egyptian Atomic Energy Authority-Plasma focus (EAEA-PF2) has been upgraded to a 5 kJ plasma focus device. Its characteristics have been investigated at various pressures and different voltages in a 5 kJ Mather-type plasma focus device for Ar gas. Its time-to-pinch has been measured, simulated and analyzed at different operating conditions. It is observed from the results that, the time-to-pinch decreased when either the charging voltage increased or the gas pressure decreased. In addition, the time-to-pinch is estimated theoretically using Lee model RADPF5.15. A comparison between the experimental and theoretical time-to-pinch is discussed. Also, the drive factor of plasma focus is analyzed at different pressures and charging voltages. It is noticed that, the mass and current factors are affected by changing the pressure and voltage. Finally, it is observed that, the drive factor is proportional inversely to the pressure and directly to the charging voltage. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Fusion Energy Springer Journals

Time-to-Pinch Investigation of 5kJ Mather-Type Plasma Focus Device

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Physics; Nuclear Fusion; Plasma Physics; Nuclear Energy; Physics of Energy Technology; Sustainable Development
ISSN
0164-0313
eISSN
1572-9591
D.O.I.
10.1007/s10894-017-0149-7
Publisher site
See Article on Publisher Site

Abstract

The Egyptian Atomic Energy Authority-Plasma focus (EAEA-PF2) has been upgraded to a 5 kJ plasma focus device. Its characteristics have been investigated at various pressures and different voltages in a 5 kJ Mather-type plasma focus device for Ar gas. Its time-to-pinch has been measured, simulated and analyzed at different operating conditions. It is observed from the results that, the time-to-pinch decreased when either the charging voltage increased or the gas pressure decreased. In addition, the time-to-pinch is estimated theoretically using Lee model RADPF5.15. A comparison between the experimental and theoretical time-to-pinch is discussed. Also, the drive factor of plasma focus is analyzed at different pressures and charging voltages. It is noticed that, the mass and current factors are affected by changing the pressure and voltage. Finally, it is observed that, the drive factor is proportional inversely to the pressure and directly to the charging voltage.

Journal

Journal of Fusion EnergySpringer Journals

Published: Dec 1, 2017

References

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