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Problems of Atomic Science and Technology, 2023
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Problems of Atomic Science and Technology, 2023, № 1
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Перегляд Problems of Atomic Science and Technology, 2023, № 1 за датою випуску

Перегляд Problems of Atomic Science and Technology, 2023, № 1 за датою випуску

Результати 1-20 з 29

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The effect of a small helium addition on the plasma-surface interaction in QSPA

Makhlai, V.A.; Herashchenko, S.S.; Petrov, Yu.V.; Ladygina, M.S.; Aksenov, N.N.; Chebotarev, V.V.; Kulik, N.V.; Staltsov, V.V.; Yelisyeyev, D.V.; Volkova, Y.E.; Merenkova, T.M. (Problems of Atomic Science and Technology, 2023)

The synergistic effects of tungsten exposure to combined hydrogen and helium particle fluxes as well as transient thermal loads need to be extensively studied for implementation of fusion reactor project. The mixture of ...
Morphology and sputtering of tungsten nitrides coatings exposed to deuterium plasma

Tolstolutskaya, G.D.; Kuprin, A.S.; Nikitin, A.V.; Vasilenko, R.L. (Problems of Atomic Science and Technology, 2023)

Processes of sputtering, surface modification and change in the stoichiometric composition of W and WN coatings deposited on stainless steel by cathodic arc evaporation were studied under the influence of low-energy (500 ...
Numerical study of detonation initiation by spark discharge in a hydrogen-oxygen high-pressure gas mixture

Korytchenko, K.V.; Martynenko, О.V.; Kasimov, A.M.; Hrytsyna, I.M.; Shevchenko, S.M.; Hrytsyna, N.I. (Problems of Atomic Science and Technology, 2023)

The influence of the initial pressure of the combustible gas mixture on the processes that occur during the initiation of detonation by a spark discharge in a high-pressure hydrogen-oxygen mixture was estimated. A ...
Bombardment of the surface by a low-energy ion flow accelerated in the near-surface layer of the space charge

Hrechkо, Ya.; Babenko, Ie.; Sereda, I.; Azarenkov, N. (Problems of Atomic Science and Technology, 2023)

The paper presents a method for the formation of low-energy ion flow for creation and treatment of functional coatings without radiation damage. Plasma source based in arc discharge with filament cathode creates the primary ...
До 85-річчя з дати народження члена-кореспондента НАН України Володимира Івановича Терешина

Автор відсутній (Problems of Atomic Science and Technology, 2023)
Compact corrugatеd horn antenna initial design for microwave diagnostics in Uragan-2M stellarator

Pavlichenko, R.O.; Pavlichenko, N.I. (Problems of Atomic Science and Technology, 2023)

In this paper, a well-known design procedure is proposed for the design of wideband constant-beam width conical corrugated horn antennas, with minimum design and construction complexity. The inputs to the procedure are the ...
Time behavior of the Hα spectral line and the molecular hydrogen spectral line in hydrogen plasma in the Uragan-2M stellarator

Bondarenko, V.M.; Pavlichenko, R.O.; Zamanov, M.V.; Kovtun, Y.V.; Lozin, O.V.; Kozulia, M.M. (Problems of Atomic Science and Technology, 2023)

The studies of the scenario of hydrogen plasma creation with two sequential RF discharges during one pulse were carried out for the Uragan-2M stellarator. The first-stage discharge initiated the hydrogen pre-ionization at ...
Plasma profiles, self-organization and alfven eigenmodes studies using the HIBP diagnostic in the TJ-II stellarator

Krupnik, L.I.; Barcala, J.M.; Cappa, A.; Chmyga, O.O.; Dreval, M.B.; Hidalgo, C.; Khrebtov, S.M.; Komarov, O.D.; Kozachok, O.S.; Martínez, J.; Molinero, A.; Pablos, J.L. (Problems of Atomic Science and Technology, 2023)

This paper reports recent experiments in the TJ-II stellarator using a dual Heavy Ion Beam probe diagnostic. The studies were focused on characterizing plasma potential profiles, investigating self-organization mechanisms ...
Diagnostics of plasma of electric arc discharge between asymmetric single-component Cu and Ni electrodes

Murmantsev, A.; Veklich, A.; Boretskij, V.; Fesenko, S.; Kleshych, M. (Problems of Atomic Science and Technology, 2023)

In this work, the radial distributions of parameters of plasma with copper and nickel vapours admixtures in positive column of electric arc discharge were investigated by optical emission spectroscopy. The plasma temperature ...
Two-stream nonlinear langmuir oscillations

Azarenkov, N.A.; Gapon, A.V. (Problems of Atomic Science and Technology, 2023)

Langmuir oscillations of a large amplitude in a cold collisionless plasma are considered in this work. We passed to the conclusion that multiple streams is an inevitable feature of the Langmuir oscillations in the cold ...
Some aspects of electrolytic-plasma processing technology

Tarasov, I.K.; Klosovskij, A.V.; Taran, A.V.; Romaniuk, S.P. (Problems of Atomic Science and Technology, 2023)

A technological device (pilot model) for electrolytic-plasma processing of various surfaces has been developed. Some theoretical calculations and processing recommendations have been done. This technology contributes to ...
Influence of dielectric barrier discharge on beet seeds germination

Nedybaliuk, O.A.; Fedirchyk, I.I.; Maruschak, M.S.; Chernolutsky, D.L. (Problems of Atomic Science and Technology, 2023)

The effect of dielectric barrier discharge (DBD) treatment on the germination of beet seeds under different conditions was investigated. The emission spectra of the DBD plasma were measured under various operating conditions. ...
Electromagnetic dipolar modes in magnetized nonuniform plasma-vacuum-metal waveguide

Azarenkov, N.A.; Olefir, V.P.; Sporov, A.E. (Problems of Atomic Science and Technology, 2023)

This article presents the results of theoretical study of the phase and attenuation properties of the dipolar electromagnetic modes in cylindrical plasma-vacuum-metal waveguide structure. Plasma is described in hydrodynamic ...
Mechanisms affecting the speed and direction of vacuum arc cathode spots movement in a magnetic field

Vasyliev, V.V.; Strel’nitskij, V.E. (Problems of Atomic Science and Technology, 2023)

Based on the known experimental and theoretical data, a new model of the plasma jet, which emit by cathode spot (СS) along the magnetic field proposed. According to this model, the plasma jet contains an oppositely directed ...
Control of reduced electric field in the positive column of a pulsed discharge in CO₂

Lisovskiy, V.A.; Dudin, S.V.; Vusyk, M.M.; Osmayev, R.O.; Yegorenkov, V.D.; Platonov, P.P. (Problems of Atomic Science and Technology, 2023)

The electric field strength in the positive column of dc and bipolar pulsed discharges in carbon dioxide was de-termined by the method of moving electrodes. It is shown that an increase in the frequency of the pulse voltage ...
Ozone generator based on surface dielectric barrier discharge with pulse power supply

Lozina, A.S.; Taran, A.V.; Garkusha, I.E.; Vorontsov, P.M.; Krasnyi, V.V.; Gnidenko, Yu.P.; Klosovskij, A.V.; Chechelnitskij, О.G. (Problems of Atomic Science and Technology, 2023)

A pilot model of an ozone generator with a pulsed power supply has been developed. The ozone generator can be used for disinfection of domestic and industrial premises, in medicine and the chemical industry. Ozone is ...
Comparative characterization of ARC-PVD ZrN and PEO hydroxyapatite coatings on pure Ti-6Al-4V substrates for biomedical applications

Garkusha, I.E.; McCulloch, C.A.; Nowakowska-Langier, K.; Wilczopolska, M.; Taran, A.V.; Kuprin, A.S.; Romaniuk, S.P.; Kravchenko, Ya.O.; Podhurska, V.Ya.; Proskurnyak, R.V. (Problems of Atomic Science and Technology, 2023)

The nanocrystalline films of zirconium nitride have been synthesized using ion-plasma vacuum-arc deposition technique on pure Ti-6Al-4V, whereas the hydroxyapatite coatings were deposited by the method of plasmaelectrolytic ...
Investigation of thermal plasma of arc discharge between novel composite Cu-W materials

Murmantsev, A.; Veklich, A.; Boretskij, V.; Fesenko, S.; Kleshych, M.; Tolochin, O. (Problems of Atomic Science and Technology, 2023)

In this work, the plasma emission of electric arc discharges between pairs of composite Cu-W electrodes was investigated by optical emission spectroscopy. Electrodes manufactured of Cu-W 50 vol.% composite materials by ...
Modulation of negatively charged particle flux from penning discharge with metal hydride cathode

Sereda, I.; Hrechko, Ya.; Azarenkov, M. (Problems of Atomic Science and Technology, 2023)

The features of modulation of negatively charged particle flux extracted along the magnetic field from Penning discharge with metal hydride cathode have been investigated. The separation of negative ions from coextracted ...
Dynamics of the ion energy distribution and plasma parameters in flows of the non-self-sustained arc discharge in molybdenum vapors

Borisenko, A.G. (Problems of Atomic Science and Technology, 2023)

In these experiments, the energy distribution functions of ions and plasma parameters in the generated flows of a non-self-sustained arc discharge in pure molybdenum vapors and in a mixture of molybdenum vapors with gas ...

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Перегляд Problems of Atomic Science and Technology, 2023, № 1 за датою випуску

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