Particle emission from irradiated VVER-1200 fuel with Am burnable absorber; Nuclear Energy and Technology; Vol. 10, № 3

Particle emission from irradiated VVER-1200 fuel with Am burnable absorber; Nuclear Energy and Technology; Vol. 10, № 3

書目詳細資料
Parent link:	Nuclear Energy and Technology.— .— Moscow: National Research Nuclear University MEPhI Vol. 10, № 3.— 2024.— P. 145–152
主要作者:	Veretennikov D. G. Dmitry Gennadjevich
企業作者:	National Research Tomsk Polytechnic University (570)
其他作者:	Ali A. H. Ahmed, Bedenko S. V. Sergey Vladimirovich
總結:	For long-term and safe operation of the reactor, nuclear fuel is modified by doping with various homogeneous compounds and heterogeneous inclusions. Such modified fuel has demonstrated satisfactory performance when irradiated at elevated temperatures and high burnup. However, the issues of radiation safety when handling modified fuel remain less studied. Elements of low and medium atomic mass are often targets for (α, n) reactions, so their use as alloying additives, as well as the use of α-emitting additives, can complicate the radiation situation at the stages of the nuclear fuel cycle. In this work, the neutron components of the radiation characteristics of UO2 with Gd2O3 and AmO2 additives were analyzed. Americium has been investigated as a possible alternative to gadolinium. In fuel containing AmO2, the neutron yield is higher compared to Am-free fuel and is formed mainly by (α, n) reactions in AmO2 in fresh fuel and spontaneous fission of 244Cm nuclides in spent fuel. The research was carried out with the aim of developing procedures and regulations for handling new fuel during its manufacture and after irradiation in the reactor. This work contributes to the study of the neutronic and radiation characteristics of Am-containing fuel, which has the potential for use in modern reactors. Calculations were performed using verified computational codes SOURCES-4C and WIMS-D5B Текстовый файл
語言:	英语
出版:	2024
主題:	americium burnable absorber neutron yield radiation characteristics SOURCES-4C VVER-1200 reactor (α, n) reaction электронный ресурс труды учёных ТПУ
在線閱讀:	https://doi.org/10.3897/nucet.10.122847
格式:	電子 Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=678057

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