To a Burst of 137Cs Activity in the Air under the “Arch” Object on October 17, 2019

V. K. Shynkarenko, V. A. Kashpur, G. G. Skorjak , P. V. Sabenin Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 12, Lysogirska st., Kyiv, 03028, Ukraine DOI: doi.org/10.31717/2311-8253.21.2.11 Abstract The construction of a New Safe Confinement (NSC) is one of the main stages in the transformation of the Chornobyl nuclear power … Read more

Dynamics of Changing of Volumes and Radiation Properties of Radioactive Contaminate Water in the Shelter Object in the Condition of New Safety Confinement

O. O. Odintsov, V. Е. Khan, L. А. Palamar, P. V. Sabenin, L. B. Chikur Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 36a, Kirova st., Chornobyl, 07270, Ukraine DOI: doi.org/10.31717/2311-8253.21.2.10 Abstract In November 2016 the “Arch” of the New Safe Confinement (NSC) was installed into design position over the Shelter object … Read more

Radioactive Aerosols within Conditions of the New Safe Confinement in 2017–2020

O. S. Lagunenko, V. Ye. Khan, O. K. Kalynovskyi, V. M. Bezmylov, V. O. Kashpur, V. P. Kovalchuk, P. V. Sabenin, O. A. Svirid, A. V. Tkach Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 36a, Kirova st., Chornobyl, 07270, Ukraine DOI: doi.org/10.31717/2311-8253.21.2.9 Abstract The results of monitored behavior of radioactive aerosols … Read more

Peculiarities of 137Cs Sorption/Desorption by Bentonite Clays of Cherkasy Deposit from Groundwater Model Solutions of Radioactive Waste Disposal Facilities at the “Vector” Production Complex

B. H. Shabalin, К. К. Yaroshenko, S. P. Buhera SI “Institute of Environmental Geochemistry of NAS of Ukraine”, 34a, Palladin ave, Kyiv, 03142, Ukraine DOI: doi.org/10.31717/2311-8253.21.2.8 Abstract The main feature of bentonite clays is their high sorption capacity with respect to various radionuclides. The study of sorption kinetics of 137Cs was performed in the static … Read more

Influence of Geopolymer Binder Components on Properties of Compounds during Cementation of Boron-Containing Liquid Radioactive Waste

Yu. G. Fedorenko1, Yu. A. Olkhovyk1, A. N. Rozko2, G. P. Pavlyshyn1 1 SI “Institute of Environmental Geochemistry of the National Academy of Sciences of Ukraine”, 34a, Palladin ave, Kyiv, 03142, Ukraine 2 M. P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation of the National Academy of Sciences of Ukraine, 34, Palladin ave, Kyiv, … Read more

Results of Comparative Evaluation of Algorithms for Calculating Scaling Factors of Difficult-To-Measure Nuclides in CHNPP Wastes at 241Am Example

O. V. Mykhailov Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 36a, Kirova st., Chornobyl, 07270, Ukraine DOI: doi.org/10.31717/2311-8253.21.2.6 Abstract The criteria for radwaste acceptance valid in the Exclusion Zone of SSE “Chornobyl NPP” require that each batch (package) of solid radioactive waste (SRW) sent for burial be certified. For the radionuclides … Read more

Cross-Verification of Monte Carlo Codes Geant4 and MCNP6 for Muon Tomography

C. V. Hrytsiuk1, А. M. Bozhuk2, А. V. Nosovskyi1, V. І. Gulik1, 3 1 Institute for Safety Problems of Nuclear Power Plants, National Academy of Sciences of Ukraine, 12, Lysogirska st., Kyiv, 03028, Ukraine 2 National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, 37, Peremohy ave, Kyiv, 03056, Ukraine 3 Institute of Physics, … Read more

Model of Reactivity Accident of the RBMK-1000 of the Chornobyl NPP 4th Power Unit

V. I. Borysenko, V. V. Goranchuk Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 12, Lysogirska st., Kyiv, 03028, Ukraine DOI: doi.org/10.31717/2311-8253.21.2.4 Abstract The article presents the results of modeling of the reactivity accident, which resulted in the destruction of reactor RBMK-1000 of the 4th power unit of the Chornobyl NPP on … Read more

A New Shielding Efficiency of Stator Core End Packets of a Powerful Turbogenerator

D. I. Khvalin Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 12, Lysogirska st., Kyiv, 03028, Ukraine DOI: doi.org/10.31717/2311-8253.21.2.3 Abstract On the basis of complex research the electromagnetic and heat processes by means of mathematical and physical simulation, the efficiency for a new constructive solution of stator core end zone of powerful … Read more

Analysis of Seismic Resistance of Large-Sized Electrical Equipment by the Method of Computational Analysis

A. S. Koshmak1, V. B. Krytskyi2, V. O. Kurov1, Y. O. Oborskyi1, T. V. Pyrohov1, V. O. Posokh1 1 SE “State Scientific Engineering Center for Control System and Emergency Response”, 64/56, Heroiv Stalinhrada ave, Kyiv, 04213, Ukraine 2 JSC “Research and Design Institute ‘Energoproekt’”, 4, Peremohy ave, Kyiv, 01135, Ukraine DOI: doi.org/10.31717/2311-8253.21.2.2 Abstract In the … Read more

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