含腐蚀缺陷氢气管道局部氢浓度有限元模拟分析

崔德春, 熊亮, 于邦廷, 吴浩志, 董绍华, 陈林

Finite Element Analysis of Local Hydrogen Concentration in Hydrogen Pipeline With Corrosion Defects

CUI Dechun, XIONG Liang, YU Bangting, WU Haozhi, DONG Shaohua, CHEN Lin

图1 处于内部压力下的管段示意图，管道上存在的腐蚀缺陷的俯视图和横截面图，用于数值分析的四分之一模型，模型上的内部腐蚀缺陷和外部腐蚀缺陷，内部和外部腐蚀缺陷左右边缘示意图

Fig.1 Schematic diagrams of a pipe segment under internal pressure (a), top and cross-sectional views of a corrosion defect present on the pipe (b), a quarter model used in numerical analysis (c), an internal corrosion defect and an external corrosion defect on the model (d), Schematic diagrams of the left and right edges of internal (e) and external (f) corrosion defect