Effect of fuel nuclide composition on the fuel lifetime of reactor KLT-40S; Nuclear Engineering and Design; Vol. 360

Effect of fuel nuclide composition on the fuel lifetime of reactor KLT-40S; Nuclear Engineering and Design; Vol. 360

Detalles Bibliográficos
Parent link:	Nuclear Engineering and Design Vol. 360.— 2020.— [110524, 7 p.]
Autor Corporativo:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение ядерно-топливного цикла
Outros autores:	Belyavsky S. V. Sergey Vladimirovich, Nesterov V. N. Vladimir Nikolaevich, Laas R. A. Roman Aleksandrovich, Godovykh A. V. Aleksey Valerjevich, Bulakh O. I. Olga Igorevna
Summary:	Title screen Fuel lifetime is a crucial parameter for small reactors used as the main part of floating power plants. Such plants have the potential to solve energy supply problems of remote regions. This article explains the methodology used to determine the effective multiplication factors and breeding ratios for reactor KLT-40S (Korpusnoi Ledokolnogo Tipa; [Shell-Type Reactor of Icebreaker Kind]) under operating conditions. The following parameters are shown to affect fuel lifetime: - effective neutron multiplication factor; - breeding ratio of nuclear fuel; - and fuel element diameter or volume of charged fuel. An increase in these parameters extends fuel lifetime. Four different fuel compositions, namely, (U238 + U235)O2, (U238 + Pu239)O2, (Th232 + U235)O2, and (Th232 + U233)O2, were examined to calculate possible fuel lifetime. The dependence of lifetime on the fuel rod diameter was also determined.The study shows that Th-U fuel cycle offers great lifetime advantages over the conventional U–Pu fuel cycle. Switching the fuel composition to (Th232 + U233)O2 can prolong fuel lifetime by 75%. Режим доступа: по договору с организацией-держателем ресурса
Idioma:	inglés
Publicado:	2020
Subjects:	электронный ресурс труды учёных ТПУ reactor KLT-40S effective multiplication factor breeding ratio thorium-uranium fuel cycle uranium–plutonium fuel cycle fuel lifetime топливо реакторы торий-урановый цикл уран-плутониевый цикл
Acceso en liña:	https://doi.org/10.1016/j.nucengdes.2020.110524
Formato:	Electrónico Capítulo de libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=661767

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