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Use of liquid metals in nuclear and thermonuclear engineering, and in other innovative technologies

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Abstract

By now, a good deal of experience has been gained with using liquid metals as coolants in nuclear power installations; extensive knowledge has been gained about the physical, thermophysical, and physicochemical properties of these coolants; and the scientific principles and a set of methods and means for handling liquid metals as coolants for nuclear power installations have been elaborated. Prototype and commercialgrade sodium-cooled NPP power units have been developed, including the BOR-60, BN-350, and BN-600 power units (the Soviet Union); the Rapsodie, Phenix, and Superphenix power units (France), the EBR-II power unit (the United States); and the PFR power unit (the United Kingdom). In Russia, dedicated nuclear power installations have been constructed, including those with a lead-bismuth coolant for nuclear submarines and with sodium-potassium alloy for spacecraft (the Buk and Topol installations), which have no analogs around the world. Liquid metals (primarily lithium and its alloy with lead) hold promise for use in thermonuclear power engineering, where they can serve not only as a coolant, but also as tritium-producing medium. In this article, the physicochemical properties of liquid metal coolants, as well as practical experience gained from using them in nuclear and thermonuclear power engineering and in innovative technologies are considered, and the lines of further research works are formulated. New results obtained from investigations carried out on the Pb-Bi and Pb for the SVBR and BREST fast-neutron reactors (referred to henceforth as fast reactors) and for controlled accelerator systems are described.

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Correspondence to A. P. Sorokin.

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Original Russian Text © V.I. Rachkov, M.N. Arnol’dov, A.D. Efanov, S.G. Kalyakin, F.A. Kozlov, N.I. Loginov, Yu.I. Orlov, A.P. Sorokin, 2014, published in Teploenergetika.

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Rachkov, V.I., Arnol’dov, M.N., Efanov, A.D. et al. Use of liquid metals in nuclear and thermonuclear engineering, and in other innovative technologies. Therm. Eng. 61, 337–347 (2014). https://doi.org/10.1134/S0040601514050085

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