Methodological Approaches to Determining the Forces Acting on the VVER-1000 Reactor Support Elements Under Power Unit Operating Loads

V. O. Posokh SE “State Scientific Engineering Center for Control System and Emergency Response”, 64/56, Heroiv Stalinhrada ave., Kyiv, 04213, Ukraine DOI: doi.org/10.31717/2311-8253.20.1.1 Abstract Approaches to taking into account the impact of power unit operating loads (normal operation, abnormal operation and emergency conditions) on the reactor support elements through interaction with the reactor vessel are described … Read more

Nuclear Power and the Environment, Issue 16

SE “State Scientific and Engineering Center for Control Systems and Emergency Response”Institute for Safety Problems of Nuclear Power Plants of NAS of UkraineCO “Ukrainian Nuclear Society” Issue 16 ISSN  2311-8253 Published :  2020-02-29 DOI: doi.org/10.31717/2311-8253.20.1 Methodological approaches to determining the forces acting on the VVER-1000 reactor support elements under power unit operating loadsPosokh V. O. Mathematical model … Read more

Changes of Radiohydroecological Conditions under Influence of the “Arch” Installation over the Shelter Object of the Chornobyl NPP

M. I. Panasiuk, N. V. Sosonna, I. A. Kovalenko, P. A. Lyushnya, G. V. Levin, L. A. Palamar, L. B. Chikur, A. A. Onishchenko* Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 36a, Kirova st., Chornobyl, 07270, Ukraine *Scientific-Engineering Center for Radiohydroecological Field Research, NAS of Ukraine, 55b, O. Gonchara st., Kyiv, … Read more

The Polymer Coverage in the Under-Roof Space of the Shelter Object

N. I. Pavliuchenko, D. O. Muliar, A. O. Doroshenko Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 36a, Kirova st., Chornobyl, 07270, Ukraine DOI: doi.org/10.31717/2311-8253.19.3.9 Abstract Measures of dust suppression are considered, in particular, in the under-roof space of the Shelter object (SO). Methods for assessing the state of the protective polymer coating … Read more

Concerning the Chornobyl NPP Reactor Graphite Management

Yu. A. Olkhovik SI “The Institute of Environmental Geochemistry of the National Academy of Sciences of Ukraine”, 34a, Palladin ave., Kyiv, 03142, Ukraine DOI: doi.org/10.31717/2311-8253.19.3.8 Abstract The problems of irradiated reactor graphite conditioning, which make up the active zone of RBMK reactors of Chornobyl NPP Units 1-3, which are decommissioned, are considered. The total volume of … Read more

Comparative Analysis of Updated Concepts of Decommissioning of Operating Nuclear Power Plants

O. A. Purtov, O. M. Masko SE “State Scientific Engineering Center for Control System and Emergency Response”, 64/56, Heroiv Stalinhradu ave., Kyiv, 04213, Ukraine DOI: doi.org/10.31717/2311-8253.19.3.7 Abstract The basic provisions of updated concepts of decommissioning of operating NPPs of Ukraine are given. In all the concepts, two possible options for decommissioning of the NPP units are … Read more

Preliminary Assessment of the Total Activity of Disposed Radioactive Waste in Module A-l of the Radioactive Waste Disposal Site “Pidlisnyi”

A. O. Kholodiuk1, S. V. Kupriianchuk1, L. I. Pavlovskii1, D. V. Fedorchenko1,2, V. M. Antropov3, O. G. Tretyak3 1Institute for Safety Problems ofNPP, NAS of Ukraine, 36a, Kirova st., Chernobyl, 07270, Ukraine 2National Science Center “Kharkiv Institute of Physics Technology of NAS of Ukraine”, 1, Academichna st., Kharkiv, 61000, Ukraine 3State specialized enterprise “Centralized enterprise … Read more

Physical Substantiation of the Mechanical Sealing Systems Automatic Diagnostics Problem of NPP Coolant Reactor Pumps

A. V. Nosovskyi, G. I. Sharaevsky, N. M. Fialko, I. G. Sharaevsky, L. B. Zimin Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 12, Lysogirska st., Kyiv, 03028, Ukraine DOI: doi.org/10.31717/2311-8253.19.3.4 Abstract Hydromechanical and thermophysical conditions for the operation of the mechanical shaft seal system separation stage for the main circulation pumps of … Read more

Qualification of the South Ukraine NPP System “CASTOR” for the Eddy Current Testing of Steam Generator Heat-exchanging Tubes and Collector Ligaments

V. N. Vasilchenko, V. V. Inyushev, K. V. Kustov SE “State Scientific Engineering Center for Control System and Emergency Response”, 64/56, Heroiv Stalinhrada ave, Kyiv, 04213, Ukraine DOI: doi.org/10.31717/2311-8253.19.3.3 Abstract The qualification process in the nuclear industry of Ukraine with an example of qualification of the South Ukraine (SU) NPP system “CASTOR” for the eddy current … Read more

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