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Plasma Physics Reports

, Volume 41, Issue 5, pp 379–398 | Cite as

Study of the interrelation between the electrotechnical parameters of the plasma focus discharge circuit and the plasma compression dynamics on the PF-3 and PF-1000 facilities

  • K. N. Mitrofanov
  • V. I. Krauz
  • E. V. Grabovski
  • V. V. Myalton
  • V. P. Vinogradov
  • M. Paduch
  • M. Scholz
  • L. Karpiński
Plasma Dynamics

Abstract

The main stages of the plasma current sheath (PCS) dynamics on two plasma focus (PF) facilities with different geometries of the electrode system, PF-3 (Filippov type) and PF-1000 (Mather type), were studied by analyzing the results of the current and voltage measurements. Some dynamic characteristics, such as the PCS velocity in the acceleration phase in the Mather-type facility (PF-1000), the moment at which the PCS reaches the anode end, and the plasma velocity in the radial stage of plasma compression in the PF-3 Filippov-type facility, were determined from the time dependence of the inductance of the discharge circuit with a dynamic plasma load. The energy characteristics of the discharge circuit of the compressing PCS were studied for different working gases (deuterium, argon, and neon) at initial pressures of 1.5–3 Torr in discharges with energies of 0.3–0.6 MJ. In experiments with deuterium, correlation between the neutron yield and the electromagnetic energy deposited directly in the compressed PCS was investigated.

Keywords

Plasma Physic Report Plasma Focus Neutron Yield Capacitor Bank Acceleration Region 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • K. N. Mitrofanov
    • 1
  • V. I. Krauz
    • 2
  • E. V. Grabovski
    • 1
  • V. V. Myalton
    • 2
  • V. P. Vinogradov
    • 2
  • M. Paduch
    • 3
  • M. Scholz
    • 4
  • L. Karpiński
    • 5
  1. 1.Troitsk Institute for Innovation and Fusion ResearchTroitsk, MoscowRussia
  2. 2.National Research Centre Kurchatov InstituteMoscowRussia
  3. 3.Institute of Plasma Physics and Laser MicrofusionWarsawPoland
  4. 4.Niewodniczański Institute of Nuclear PhysicsPolish Academy of SciencesKrakówPoland
  5. 5.Faculty of Electrical and Computer EngineeringŁukasiewicz University of TechnologyRzeszówPoland

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