DOI: 10.55176/2414-1038-2021-2-236-255
Authors & Affiliations
Kuzina Ju.A., Arnoldov M.N., Orlov Yu.I., Sorokin A.P.
 A.I. Leypunsky Institute for Physics and Power Engineering, Obninsk, Russia
 
Kuzina Ju.A. – Deputy Director General  – Director of Nuclear Energy Department, Cand. Sci. (Techn.). Contacts:  1, pl. Bondarenko, Obninsk, Kaluga region, Russia, 249033. Tel.: +7 (484) 399-86-63; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
 Arnoldov M.N. – Chief Researcher of Nuclear Energy Department, Dr. Sci.  (Techn.), Professor. 
 Orlov  Yu.I. – Chief Researcher of Nuclear Energy Department, Dr. Sci. (Techn.), Professo. 
 Sorokin A.P. – Chief Researcher of Nuclear Energy Department, Dr. Sci. (Techn.).
Abstract
The article  presents the main research results of thermal physicists of the IPPE from its  inception to the present time. Research results in the areas of heat and mass transfer and hydrodynamics of coolants (liquid metals,  water), physical chemistry and technology of liquid metal coolants for nuclear  power plants for various purposes (nuclear power plants, nuclear submarines,  space nuclear power plants), development codes, innovative projects,  non-nuclear technologies for the use of liquid metals, heat pipes, analysis and  generalization of thermophysical data are considered in the article. As a result  of a large complex of experimental and computational studies, the fundamental  physicochemical and thermohydraulic regularities of the coolant – impurities –  structural materials – protective gas have been studied, scientific foundations  have been created for the use of liquid metal coolants in nuclear power.  Studies have been carried out to substantiate the technical and economic  characteristics of nuclear fuel for operating, under construction and future  NPPs of VVER RP, design solutions for passive safety, technical solutions and  hydrogen safety devices, heat removal from the reactor through a steam  generator and PHRS in case of beyond design basis accidents. As well as design  solutions and safety for NPP designs with BN-1200 reactor with sodium coolant,  BREST-OD-300 reactor with lead coolant, SVBR-100 reactor with lead-bismuth  alloy, MBIR research reactor. The results of these studies made it possible,  together with institutes and design organizations, to scientifically  substantiate thermal-hydraulic parameters and highly efficient technological  processes, develop and practically implement devices and systems that ensure  the successful operation of fundamentally new nuclear power plants cooled by  water and liquid metals, with original scientific and technical solutions that  had no analogue in world practice. R&D works were carried out to  substantiate the innovative project VVER with supercritical pressure, the  concept of an electro-nuclear subcritical blanket based on the modular  principle of constructing an core with liquid-salt melts of fissile materials,  studies of thermal hydraulics, mass transfer of high-temperature sodium and the  development of a combined coolant purification system to justify the BN-HT reactor  with temperature sodium ~900 °С for hydrogen production. The directions of  investigations at the present stage are discussed. 
Keywords
 nuclear  power, fast reactors, light water reactors, thermophysical investigations,  experimental stands, computational codes, thermal hydraulics, liquid metal  coolant technology, innovative projects
Article Text (PDF, in Russian)
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