含局部减薄缺陷蒸汽发生器传热管爆破压力的数值模拟研究
Nuclear Power Engineering（2011）
Abstract
蒸汽发生器传热管的局部腐蚀减薄及机械磨损是导致其承压能力降低而破裂的主要原因。本文借鉴极限载荷分析方法,探讨采用有限元数值模拟估算蒸汽发生器Incoloy 800传热管爆破压力(PB)的工程方法,并在此基础上研究体积型缺陷各向尺寸对传热管PB的影响规律。
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Key words
Finite element method,Local wall-thinning,Steam generator tubes,Bursting pressure
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