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Liquid-metal-cooled fast reactor core comprising nuclear fuel assembly with nuclear fuel rods with varying fuel cladding thickness in each of the reactor core regions
Liquid-metal-cooled fast reactor core comprising nuclear fuel assembly with nuclear fuel rods with varying fuel cladding thickness in each of the reactor core regions
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机译:液态金属冷却快堆堆芯,包括核燃料组件,在每个反应堆堆芯区域中,核燃料棒的燃料包壳厚度各不相同
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摘要
A liquid-metal cooled fast reactor core having a nuclear fuel assembly constituted of nuclear fuel rods with varying cladding thicknesses in reactor core regions, in which: the nuclear fuel assembly (1) of a liquid-metal cooled fast reactor includes nuclear fuel assemblies (1a, 1b and 1c) in inner, middle and outer reactor core regions, respectively, and is installed in a hexagonal duct (3) with nuclear fuel materials (2-2a, 2-2b and 2-2c) surrounded by respective claddings (2-1a, 2-1b and 2-1c), and the claddings (2-1a, 2-1b and 2-1c) of a nuclear fuel rod (2a) in the inner reactor core region, a nuclear fuel rod (2b) in the middle reactor core region and a nuclear fuel rod (2c) in the outer reactor core region are formed at different thicknesses. The reactor core can flatten power distribution using a single-enrichment nuclear fuel in the liquid-metal cooled fast reactor.
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机译:一种液态金属冷却快堆堆芯,其具有由核燃料棒构成的核燃料组件,该核燃料棒在堆芯区域具有不同的包层厚度,其中:液态金属冷却的核燃料组件( 1 B>)快速反应堆包括核燃料组件( 1 B> a I> ,1 B> b I>和 1 B> < I> c I>)分别位于反应堆内,中和外堆芯区域,并安装在装有核燃料材料( 2 B>)的六角形管道( 3 B>)中- 2 B> a I> ,2 B>- 2 B> b I>和 2 B>- 2 B> c I>)被相应的包层( 2 B>- 1 B> a I> ,2 B>- 1 B> b I>和 2 B>- 1 B> c I>)和包层( 2 B>- 1 B> a I> ,2 B>- 1 B核燃料棒( 2 B>)的> b I>和 2 B>- 1 B> c I>位于反应堆核心区域的 a I>),位于反应堆中间区域的核燃料棒( 2 B> b I>)和核燃料棒(外部反应堆中的 2 B> c I>)区域以不同的厚度形成。反应堆堆芯可以在液态金属冷却的快速反应堆中使用单浓核燃料来使功率分布扁平化。
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