Results 271 to 280 of about 50,398 (301)

Magnetohydrodynamic Theory of the Pinch Effect in a Dense High-Temperature Plasma (Dense Plasma Focus)

1970
Recent successful experiments by Filippov et al. [1] using an intense pulsed discharge in deuterium at an initial pressure of ∼ 1 mm Hg and a peak current of ∼106 A have stimulated theoretical attempts to understand the significantly favorable plasma parameters (as compared with earlier work) that were obtained in these experiments: T ∼ 1 keV, n ∼109 ...
V. F. D’yachenko, V. S. Imshennik
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Restrike Particle Beam Experiments on a Dense Plasma Focus. Opening Switch Research on a Dense Plasma Focus.

1985
Abstract : Research on this grant has focused on plasma focus experiments in the areas of particle beam generation and as a potential repetitive opening switch. In pursuing the former unique diagnostic tools were developed to measure the scaling of particle beam current and energy for both the electron and ion beams generated by the device ...
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Deposition of nanolayers by means of dense plasma focus

Czechoslovak Journal of Physics, 2006
In our preliminary experiments, reported in this paper, dense plasma focus (DPF) device is used for deposition of thin (a few nanometers of thickness) chromium layers. Such films have been deposited on silicon wafers by ablation of the chromium target using highly dense and highly temperature argon-oxygen plasma. Two films with different structure were
M. Chernyshova, I. Ivanova-Stanik, L. Karpiński, M. Scholz, B. Ulejczyk, I. N. Demchenko, J. K. Lee   +6 more
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Applications of a neutron-producing dense plasma focus

SPIE Proceedings, 1997
A plasma focus is an rz-plasma pinch device that may preferentially produce either x-rays or neutrons. In its neutron-production mode, the neutron pulse duration is approximately 10 12 neutrons/pulse from the d(d,n) 3 He(dd) reaction. The equivalent neutron yield form the d(t,n) 4 He(dt) reaction is approximately 10 14 neutrons/pulse.
Floyd. D. McDaniel, B. L. Freeman, C. M. Fowler   +2 more
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The Fuego Nuevo II dense plasma focus

IEEE Conference Record - Abstracts. 1996 IEEE International Conference on Plasma Science, 1996
Summary form only given, as follows. A new dense plasma focus device, named Fuego Nuevo II, has been built at the ICN-UNAM, its goal is to help to understand the physics of accelerated ion beams, X-rays, and their role in neutron pulse generation. The purpose of this report is to show the initial results, obtained at early operation.
F. Castillo, J.J.E. Herrera, J. Rangel, V. Sabaguchi   +3 more
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A high-neutron-output dense plasma focus

Physics Letters A, 1988
Abstract A 1.4 kJ ultra-clean Mather-type dense plasma focus has produced 14 MeV neutrons on over 600 consecutive shots without a misfire and without purging the gas. The D-T neutron output decreased from (3.4 ± 0.7) × 109 to (2.1±0.6) × 109. After 650 shots, the original D-T neutron output was restored by purging hydrogen and helium gas.
E.J.T. Burns, S.M. Falacy, R.A. Hill, P.D. Thacher, H.A. Koehler, B. Davis, R.E. Shafer   +6 more
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The Dense Plasma Focus as a Source of Neutrons

1983
The neutron economy of a fusion-fission hybrid system with a plasma focus acting as a source of fusion neutrons is considered. After an outline of the essential features of the plasma focus device, the potential scale of neutron yield is examined and the electrotechnical, heat-transfer, and tritium-containment systems of a “zero-breeding assembly” are ...
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Gas-injection Experiments On A Dense Plasma Focus

Proceedings of 1994 IEEE 21st International Conference on Plasma Sciences (ICOPS), 2005
Rockford Technology Associates, Inc. (RTA) has been doing experiments on the Dense Plasma focus (DPF) device at the Fusion Studies Laboratory of the University of Illinois. This DPF consists of four racks of five 2-{mu}F capacitors whose charge is switched onto the inner electrode of a plasma focus by four Trigatron spark gaps.
O. Barnouin, J. Javedani, S.D. Medico, G.H. Miley, B. Bromley   +4 more
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Comparisons of dense-plasma-focus kinetic simulations with experimental measurements

Physical Review E, 2014
Dense-plasma-focus (DPF) Z-pinch devices are sources of copious high-energy electrons and ions, x rays, and neutrons. The mechanisms through which these physically simple devices generate such high-energy beams in a relatively short distance are not fully understood and past optimization efforts of these devices have been largely empirical.
A, Schmidt, A, Link, D, Welch, J, Ellsworth, S, Falabella, V, Tang   +5 more
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Numerical parameter studies for the dense plasma focus

Plasma Physics, 1975
The magnetohydrodynamic equations are solved using an explicit numerical scheme for the focus geometry together with the electrical circuit equation. The influence of varying circuit parameters, focus apparatus dimensions and filling pressure on the discharge characteristics, especially the maximum current, and the plasma variables in the pinch phase ...
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