Grid to rod fretting evaluation: methodology of testing in the hermes loops

机译：网格到杆的微动评估：Hermes循环中的测试方法

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Using the HERMES loops of the CEA/Nuclear Reactor Division as an experimental support, an overall methodology of fuel qualification has been developed. This qualification of new designs is been imposed by the development, by fuel assemblies' designers, of assembly prototypes in order to increase the burn up fraction. These developments induce changes in hydraulic resistance of assemblies or changes in the mechanical behavior of the structure. Besides, the diversification of fuel suppliers leads nuclear power plant operators to deal with compatibility inside heterogeneous cores.

机译：使用CEA /核反应堆分部的HERMES回路作为实验支持，已经开发了一种总体的燃料鉴定方法。新设计的这种资格是由燃料组件的设计者开发装配原型以增加燃耗率而强加的。这些发展引起组件的水力阻力的改变或结构的机械性能的改变。此外，燃料供应商的多元化导致核电厂运营商应对异构核内部的兼容性。

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《International topical meeting on nuclear thermal hydraulics, operations and safety;NUTHOS-5》|1997年|p.F3-1-7 ^b 7|共1页
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J.Vallory; J.C.Maguin;
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Grid to rod fretting evaluation: methodology of testing in the hermes loops

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