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12 5 × 106 s时10 MPa下不同长度内、外腐蚀缺陷处的氢分布

Fig.12 Hydrogen distribution at internal (a-d) and external (e-h) corrosion defects with different lengths under an internal pressure of 10 MPa at 5 × 106 s (Color legend: hydrogen concentration, mol/m3): (a, e) 10 mm, (b, f) 12 mm, (c, g) 14 mm, (d, h) 16 mm