L. A. Karpuk, V. V. Novikov, M. I. Gozman, O. V. Khomyakov
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New fuel types for thermal reactors in LOCA conditions
The present paper considers a typical scenario for the development of a design-basis loss-of-coolant accident (LOCA) in a VVER-1000 reactor. Processes occurring in the fuel and cladding at each stage of the accident are described. The main directions of the development of fuel and fuel claddings for water-water thermal reactors are reviewed. The advantages and disadvantages of various fuel composition types (fuel + cladding) from the perspective of their behavior in design-basis LOCAs are analyzed. Results of preliminary modeling design-basis and beyond design-basis LOCAs for VVER-1000 and PWR reactors with various fuel compositions are presented.
期刊介绍：
Atomic Energy publishes papers and review articles dealing with the latest developments in the peaceful uses of atomic energy. Topics include nuclear chemistry and physics, plasma physics, accelerator characteristics, reactor economics and engineering, applications of isotopes, and radiation monitoring and safety.
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