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首页> 外文期刊>Journal of Nuclear Materials: Materials Aspects of Fission and Fusion >The feasibility of employing inert matrix ceramic fuels in a Russian light water reactor
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The feasibility of employing inert matrix ceramic fuels in a Russian light water reactor

机译：在俄罗斯轻水反应堆中使用惰性基质陶瓷燃料的可行性

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摘要

This study presents a version of Water-Water Energy Reactor (WWER) type fuel elements made using inert matrix fuels (IMFs) whose oxide fissile particulates are densely placed throughout a highly heat-conductive metal matrix consisting of silumin (cermet fuels). In these WWER-type fuel elements with cermet fuel, the fuel is bonded to cladding in a metallurgic way. It possesses some special features allowing the fuel to be used for both steady-state and load following operation modes. The study presents the results of the analytic study of the two variants of cermet fuel based on UO2 and UO2 + ThO2. The use of burnable poisons Er2O3 and Gd2O3 was considered. Characteristics of WWER with UO2 + ThO2 cermet fuel has been compared with those for conventional ceramic uranium dioxide fuel. In-pile testing of UO2 cermet fuel elements was carried out successfully up to a burnup of congruent to60 MW d kg(-1) of U. Results of stress calculations have shown fuel element cladding stability for operation in the load following mode. (C) 2003 Elsevier Science B.V. All rights reserved. [References: 2]
机译：这项研究提出了一种使用惰性基质燃料（IMF）制成的水-水能反应堆（WWER）型燃料元件，其氧化物易裂变颗粒密集地放置在由sil麻（金属陶瓷燃料）组成的高导热金属基质中。在这些带有金属陶瓷燃料的WWER型燃料元件中，燃料以冶金方式结合到包层上。它具有一些特殊功能，可将燃料用于稳态和负荷跟随运行模式。该研究提出了基于UO2和UO2 + ThO2的两种金属陶瓷燃料的分析研究结果。考虑使用可燃毒物Er2O3和Gd2O3。含UO2 + ThO2金属陶瓷燃料的WWER特性已与常规陶瓷二氧化铀燃料相比。 UO2金属陶瓷燃料元件的堆内测试已成功进行，直到燃烧至U等于60 MW d kg（-1）。应力计算的结果表明，在负荷跟随模式下运行时，燃料元件包壳的稳定性。 （C）2003 Elsevier Science B.V.保留所有权利。 [参考：2]

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