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The means for two-and three-dimensional visualization which are used in the MCU program and provide convenient methods for obtaining a graphical representation of computational models are described. An example of the application of these visualization means for solving a practical problem where...
A method for estimating the emission rate of radioactive rare gases through the exhaust pipes of the passive filtration system in the intershell space of VVÉR-1500 and the ventilation pipes of the nuclear power plant is examined. It is proposed that flow and nonflow ionization chambers, which...
A method is proposed for calculating the stationary mass transfer of a multicomponent isotopic mixture in a square cascade with arbitrary enrichment and losses at the separation steps and in the pipelines of the cascade. The method, which is based on successive approximation of the cascade...
This article is devoted to the monitoring of the volume activity of radionuclides, performed in 2003–2006 as part of the unified project Reabilitatsiya, during liquidation of old storage sites for radioactive wastes at a special site of the Russian Science Center Kurchatov Institute. Methods...
To develop new-generation enhanced-safety VVÉR-1200 reactor with improved technical performance and cost effectiveness for AÉS-2006, it is necessary to increase the accuracy of the programs used to calculate the neutron-physical characteristics. Benchmark experiments with a detailed description...
The dependence of the thermophysical properties of metallic nuclear fuel — the alloy Zr-40U — in a wide temperature range on the amount of fission products accumulated is presented. Non-irradiated and irradiated samples with different degree of accumulation of fission products — 0.4, 0.6,...
Thermal desorption spectrometry is used to study the characteristic behavior of helium in the new model bcc and fcc alloys Fe-13Cr and Fe-16Cr-15Ni, which are the basis of structural reactor steels, with the substitution elements Mo, W, Nb, Ta, V, and Ti and carbon. It is found that the...
The possibilities for lowering the tensile stresses acting in the zone of weld seam No. 111 are studied. Stresses above the yield point can arise in this zone during operation because of the presence of stress concentrators and deep ribs and cuts, formed when the steam generator is manufactured,...
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