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Article
Computational and Experimental Method for Determination of the Inertia of Thermocouples within the Framework of Pre-Reactor Tests of Experimental Fuel Rods
When studying the properties of candidate materials for fuel elements of designed nuclear power plants, the most important role is played by conducting reactor experiments. To obtain information about the temp...
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Article
Latitude and Amplitude Modulation of the Beam Current for Controlling its Power during a Submillisecond Pulse
Methods for controlling the electron beam power in a source based on a low-pressure arc discharge with layer stabilization of the emission plasma boundary are described. The control is carried out by the metho...
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Article
Formation of Anomalous Craters upon Bombardment of the Surface of a Lithium-Triborate Single Crystal by Cluster Ions
Accelerated cluster ions formed during the outflow of inert gases are a unique tool for the precision surface treatment of various materials, including nonlinear optical single crystals. However, the interacti...
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Article
Silica sputtering by noble gas projectiles: elucidating the effect of cluster species with molecular dynamic simulation
The interaction of gas cluster projectiles with the surface of the inorganic compounds is still not a fully understood issue. To clarify the features of silica surface sputtering by noble gas cluster projectil...
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Article
Pulsed Non-Self-Sustained Arc Discharge in Extended Hollow Anode
The paper investigates physical properties of a pulsed arc discharge of low (≈1 Pa) pressure created in argon by a plasma source with the thermionic and hollow cathodes. It is shown that the pulsed discharge i...
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Article
Testing of Dispersion Type Fuel Rods with a Heat-Proof Meat with Controlled Porosity for Small Nuclear Power Plants
The results of development work on dispersion type fuel rods, whose meat, containing granules of a uranium-molybdenum alloy in a matrix of special zirconium alloys, possesses heightened uranium capacity as wel...
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Article
Influence of Conditions of the Electric Arc Discharge Burning on the Size of Microdroplet Fraction in a Nitride Coating
The influence of conditions and parameters of synthesis of nitride coatings in low-pressure gas-metal plasma of low-pressure discharges on the coating properties have been studied. The influence of the enhance...
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Article
Generation of Plasma with Increased Ionization Degree in a Pulsed High-Current Low-Pressure Hollow Cathode Discharge
The paper presents the results of research of the processes of generation of pulsed beam-plasma formations in a high-current non-self-sustained glow discharge with a hollow cathode at low (0.025–0.25 Pa) press...
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Article
Plasma Generation in a Pulsed Mode of a Non-Self-Sustained Arc Discharge with a Hybrid Hot-and-hollow Cathode
The results of investigation of pulsed burning modes of a non-self-sustained arc discharge with a combined hot-and-hollow cathode are presented. The principal discharge characteristics are measured at the curr...
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Article
Open AccessMathematical modelling of enhanced gas production
Based on a mathematical model for 2D filtration of a two-phase multicomponent hydrocarbon mixture, the boundary problem of optimizing distribution of well flow rates was for the first time composed and solved ...
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Article
Electromagnetic heating control via high-frequencyresonance of a triple-layer laminate
Beamed energy transport requires the use of heat exchangers to collect the thermal energy produced from the absorption of electromagnetic radiation. To explore the high-frequency effects of wave–geometry inter...
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Article
Average current per vacuum-arc cathode spot and spot velocity in a magnetic field on a CuCr50/50 nanocomposite
It has been shown that such cathode spot characteristics as the average current per spot and its dependence on tangential magnetic-field induction B t and the spot velocity and ...
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Article
Open AccessAmplitude concentration in a phase-modulated spectrum due to femtosecond filamentation
We present a method by which the spectral intensity of an ultrafast laser pulse can be accumulated at selected frequencies by a controllable amount. Using a 4-f pulse shaper we modulate the phase of the freque...
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Article
Generation of uniform low-temperature plasma in a pulsed non-self-sustained glow discharge with a large-area hollow cathode
Generation of plasma in a pulsed non-self-sustained glow discharge with a hollow cathode with an area of ≥2 m2 at gas pressures of 0.4–1 Pa was studied experimentally. At an auxiliary arc-discharge current of 100...
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Article
Experimental investigation of cooling of a plate by ionic wind from a corona-forming wire electrode
We report on the results of experimental investigations of the kinematic structure of ionic wind from a wire electrode placed near a heated plate, which plays the role of the earthed electrode. Experiments are...
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Article
Complex analysis of features of the ionic wind from a negative-polarity corona discharge
We perform computer simulation of the ionic wind in the point–torus and sphere–torus electrode systems taking into account the presence of electrons in the outer region of the corona discharge. The results of ...
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Article
Combustion and thermal decomposition of hydrazine borane
Burning rates of hydrazine borane at a pressure of 20–100 atm have been measured. Spectroscopic and electron microscopic studies have demonstrated that the condensed combustion product is a fine powder of boro...
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Article
Radiation processing of natural latex using a wide-aperture electron accelerator with a plasma emitter
Experiments on the processing of natural latex have been performed using an electron accelerator based on the plasma cathode with the grid-stabilized edge of plasma emission and beam exit into the atmosphere. ...
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Article
Study of the Effect of Structural-Technological Parameters on the Thermo-Radiation Stability of VVER and PWR Fuel
The IFA-503.1 and −503.2 in-reactor experiments in the HBWR (Norway) are comparable to the microstructural studies of four types of VVER and PWR uranium dioxide fuel fabricated to standard specifications. On t...
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Article
Particulars of the In-Reactor Behavior of VVER and PWR Uranium Dioxide Fuel with Pellets of Different Geometry
The results of experiments performed in the research reactors HBWR (Norway) and MIR (Dimitrovgrad, Russia) with different variants of pelleted uranium dioxide fuel used in VVER and manufactured by Elektrostal ...
