Plasma Physics Reports

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Plasma decay in high-voltage nanosecond discharges in oxygen-containing mixtures
Plasma Physics Reports - Tập 42 - Trang 59-67 - 2016
E. M. Anokhin, M. A. Popov, I. V. Kochetov, N. L. Aleksandrov, A. Yu. Starikovskii
Plasma decay in high-voltage nanosecond discharges in CO2: O2 and Ar: O2 mixtures at room gas temperature and a pressure of 10 Torr is studied experimentally and theoretically. The time dependence of the electron density during plasma decay is measured using microwave interferometry. The time evolution of the charged particle density, ion composition, and electron temperature is simulated numerica... hiện toàn bộ
Effect of the nonlocal nature of the electron energy spectrum on the dissociation of oxygen molecules in a discharge
Plasma Physics Reports - Tập 30 - Trang 542-548 - 2004
K. S. Klopovskiy, D. V. Lopaev, O. V. Proshina, A. T. Rakhimov, T. V. Rakhimova
The effect of the nonlocal nature of the electron distribution function on the dissociation rate of oxygen molecules in a dc glow discharge is studied. The concentration of oxygen atoms and the probability of their loss at the discharge tube wall are measured as functions of the discharge parameters by means of the timeresolved actinometric method involving argon atoms. An analysis of the measurem... hiện toàn bộ
Overtaking Collisions of Electrostatic N-Soliton in Electron–Hole Quantum Plasmas
Plasma Physics Reports - Tập 46 - Trang 41-49 - 2020
E. F. El-Shamy, M. Mahmoud
The effects of overtaking collisions of electrostatic multisolitons (i.e., N-soliton) in an electron–hole dense semiconductor plasma are examined employing the reductive perturbation theory (RPT) and Hirota’s bilinear method (HBM). A Korteweg-de Vries equation (KdVE), which admits N-soliton, is derived using the RPT. In addition, HBM is applied that resulted in two-soliton and three-soliton soluti... hiện toàn bộ
Dynamics of the electron thermal diffusivity at improved energy confinement during lower hybrid plasma heating in the FT-2 tokamak
Plasma Physics Reports - Tập 36 - Trang 371-380 - 2010
D. V. Kouprienko, A. B. Altukhov, A. D. Gurchenko, E. Z. Gusakov, M. Yu. Kantor, S. I. Lashkul, L. A. Esipov
The dynamics of electron heat transport at improved energy confinement during lower hybrid plasma heating in the FT-2 tokamak was studied experimentally. Evolution of the profiles of the electron temperature and density was thoroughly investigated under conditions of fast variation in the plasma parameters. The energy balance in the electron channel is calculated with the help of the ASTRA code by... hiện toàn bộ
Spark channel propagation in a microbubble liquid
Plasma Physics Reports - Tập 42 - Trang 1074-1077 - 2016
V. A. Panov, L. M. Vasilyak, S. P. Vetchinin, V. Ya. Pecherkin, E. E. Son
Experimental study on the development of the spark channel from the anode needle under pulsed electrical breakdown of isopropyl alcohol solution in water with air microbubbles has been performed. The presence of the microbubbles increases the velocity of the spark channel propagation and increases the current in the discharge gap circuit. The observed rate of spark channel propagation in microbubb... hiện toàn bộ
Theoretical and experimental studies of the radiative properties of matter at high energy densities and their application to the problems of inertial confinement fusion
Plasma Physics Reports - Tập 37 - Trang 785-791 - 2011
O. B. Denisov, N. Yu. Orlov
The paper presents the results of theoretical and experimental studies of the radiative properties of plasmas produced by heating and compression of various materials to high energy densities. The specific features of the theoretical plasma model known as the ion model, which is used to calculate the radiative characteristics of plasmas of complex chemical composition, are discussed. The theoretic... hiện toàn bộ
Determination of energy release zones arising due to current losses in the convolution region of the magnetically insulated transmission lines of the ANGARA-5-1 facility
Plasma Physics Reports - Tập 41 - Trang 441-443 - 2015
E. V. Grabovski, A. N. Gribov, Ya. N. Laukhin, A. O. Shishlov
Among the factors limiting electromagnetic pulse transmission to the load in high-power electro-physical facilities, current losses in magnetically insulated transmission lines (MITLs) are of significant importance. One of such facilities is ANGARA-5-1—a multimodule facility with an output electric power of up to 6 TW. A fairly complicated configuration of the magnetic field in the convolution reg... hiện toàn bộ
Studies on Ion-Acoustic Solitary Waves in Plasmas with Positrons and Two-Temperature Superthermal Electrons through Damped Zakharsov–Kuznetsov–Burgers Equation
Plasma Physics Reports - Tập 49 - Trang 454-466 - 2023
A. N. Das, S. Saha, S. Raut, P. Talukdar
Propagation of ion-acoustic compressive and rarefactive solitary waves has been studied in a magnetized collisional plasma comprising ions, positrons, dust grains, and kappa-distributed cold and hot electrons. The Damped Zakharsov–Kuznetsov–Burgers (DZKB) equation has been formed using the basic equation with the aid of the reductive perturbation method (RPM). Considering small dissipation exists ... hiện toàn bộ
Dispersion properties of a magnetoactive plasma-filled waveguide in the vicinity of the upper hybrid frequency. Part II
Plasma Physics Reports - Tập 40 - Trang 283-289 - 2014
V. I. Shcherbinin, V. I. Tkachenko, G. I. Zaginaylov, K. Schuenemann
The dispersion properties of a magnetoactive plasma-filled waveguide in the vicinity of the upper hybrid frequency ω1 = (ω 2 + ω 2 )1/2 (ω1 − δ < ω < ω1) are studied. It is shown that, in this frequency range, the eigenmodes of the plasma-filled waveguide are represented by the families of EH and cyclotron HE modes, the interaction between which is weak everywhere except for the vicinities of cert... hiện toàn bộ
Experimental Dependence of the Neutron Yield on the Discharge Current for Plasma Focus Chambers Filled with Deuterium and Deuterium–Tritium
Plasma Physics Reports - Tập 45 - Trang 334-344 - 2019
Yu. V. Mikhailov, B. D. Lemeshko, I. A. Prokuratov
Results of measurement of the mean neutron yield from plasma focus (PF) chambers filled with deuterium and deuterium–tritium are compared for various Mather-type and spherical PF devices at discharge currents in the range of 200−1000 kA. On the basis of the experimental results, an expression for the ratio of the neutron yields $${{\xi }_{{{\text{exp}}}}} = \left\langle {{{Y}_{{{\text{DT}}}}}} \ri... hiện toàn bộ
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