Analysis of Modern Radioecological State in WWR-M Research Nuclear Reactor Zone of the Institute for Nuclear Research NAS of Ukraine

O. V. Haidar, I. O. Pavlenko, O. V. Sviatun, O. V. Svarychevska, I. A. Maliuk, S. V. Teletska Institute for Nuclear Research, NAS of Ukraine, 47, Nauky ave, Kyiv, 03028, Ukraine DOI: doi.org/10.31717/2311-8253.20.2.11 Abstract The urgent task of the Institute for Nuclear Research (KINR) of NAS of Ukraine as the operating organization of the research nuclear … Read more

Methods for Analyzing the Hydrogeological Characteristics of the Aquifers in the Vicinity of Nuclear Power Plants Using Indicators

I. O. Kovalenko1, N. V. Sosonna1, M. I. Panasiuk1, U. Saravana Kumar2 1Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 36a, Kirova st., Chornobyl, 07270, Ukraine 2International Atomic Energy Agency, p. o. box 100, 5, Wagramer Strasse, A-1400, Vienna, Austria DOI: doi.org/10.31717/2311-8253.20.2.10 Abstract The mathematical modeling of migration of the unsorbed indicator on … Read more

GIS Approach to the Solution of the Project for Forecasting the Development of Natural Fires in the Chornobyl Exclusion Zone Based on the Rothermel Model

Yu. I. Kuzmenko, T. D. Lev, O. G. Tishchenko, V. N. Piskun, L. V. Gavlovska Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 12, Lysogirska st., Kyiv, 03028, Ukraine DOI: doi.org/10.31717/2311-8253.20.2.9 Abstract The problem of forest fires in the Chornobyl exclusion zone (ChEZ) is urgent, since vegetation in radioactively contaminated areas is annually … Read more

Retrospective Analysis of the Annual Deposition Velocity of 137Cs after the Fallout of the Chornobyl Accident

А. М. Novikov Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 12, Lysogirska st., Kyiv, Ukraine DOI: doi.org/10.31717/2311-8253.20.2.8 Abstract The radioactive aerosol deposition velocity is a very important parameter for calculation of radioactive fallout transportation. The idea concerning the existence of interdependence between the volume activity and the depositional fluxes allows evaluating quickly … Read more

Radioactive Aerosols near Lava-Like Fuel Containing Materials in Room 210/7 of the Chornobyl NPP Shelter in 2017-2018

O. S. Lagunenko, V. E. Khan, O. O. Odintsov, O. K. Kalinovskiy, T. A. Kravchuk, V. P. Kovalchuk, P. V. Sabenin, V. O. Kashpur, O. A. Svirid, S. V. Yurchuk Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 36a, Kirova st., Chornobyl, 07270, Ukraine DOI: doi.org/10.31717/2311-8253.20.2.7 Abstract Data on the radionuclide composition, volume … Read more

Test methods for radiation resistance of components of robotic complexes

Y. O. Lytvyn, A. S. Sadovnikov, R. V. Samodielok, O. S. Proskurin Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 12, Lysogirska st., Kyiv, 03028, Ukraine DOI: doi.org/10.31717/2311-8253.20.2.6 Abstract One of the urgent problems of using robotic complexes at nuclear power facilities is related to the problem of the negative impact of radiation … Read more

Assessment of the Fuel Amount Radioactive Waste Activity for the A-1 Module of the RWDS “Pidlisnyi”

L. I. Pavlovskyi1, V. M. Rudko1, D. V. Fedorchenko1,2, V. M. Antropov3, O. G. Tretyak3 1Institute for Safety Problems of Nuclear Power Plants, NAS of Ukraine, 36a, Kirova st., Chornobyl, 07270, Ukraine 2National Science Center “Kharkiv Institute of Physics and Technology, NAS of Ukraine”, 1, Academichna st., Kharkiv, 61000, Ukraine 3State Specialized Enterprise “Centralized Enterprise … Read more

Analysis of the Design Calculations of the Emergency Cooling Heat Exchanger Strength for Compliance with Requirements of Existing Regulatory Documents in Nuclear Power Engineering

T. V. Pyrohov, V. V. Inyushev, V. O. Kurov, A. S. Koliadiuk SE “State Scientific Engineering Center for Control System and Emergency Response”, 64/56, Heroiv Stalinhrada ave, Kyiv, 04213, Ukraine DOI: doi.org/10.31717/2311-8253.20.2.4 Abstract The design strength of 61409 RR1 emergency cooling of the heat exchanger 08.8111.335 SB, as the main design and factory document governing the … Read more

Comparative Analysis of the Tightness of Two Types of Power Valves

A. V. Koroliov1, P. Y. Pavlyshyn2, V. S. Tayakin2 1Odessa National Polytechnic University, 1, Shevchenko ave, Odesa, 65044, Ukraine 2Rivne Nuclear Power Plant, Varash, 34400, Ukraine DOI: doi.org/10.31717/2311-8253.20.2.3 Abstract The valve is a responsible and important element of the nuclear power plants’ thermal scheme. It is the valve that overlaps the emergency sections of the circuit, … Read more

Comparative Analysis of Methodological Approaches to the Calculational Determination of the Forces Acting on the VVER-1000 Reactor Support Elements

V. O. Posokh1, V. V. Inyushev1, A. S. Koliadiuk1, A. S. Koshmak1, V. O. Dubkovsky2 1SE “State Scientific Engineering Center for Control System and Emergency Response”, 64/56, Heroiv Stalinhrada ave, Kyiv, 04213, Ukraine 2Odessa National Polytechnic University, 1, Shevchenko ave, Odesa, 65044, Ukraine DOI: doi.org/10.31717/2311-8253.20.2.2 Abstract The results of the comparative analysis of two methodological approaches … Read more

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