含双腐蚀缺陷管道的氢浓度分布模拟

郭诗雯, 吴浩志, 董绍华, 陈林, 程玉峰

Simulation of Hydrogen Distribution in Pipeline with Double Corrosion Defects

GUO Shiwen, WU Haozhi, DONG Shaohua, CHEN Lin, CHENG Frank

表1 不同拉伸应变下，不同间距的双缺陷处氢浓度最大值

Table 1 Maximum hydrogen concentrations at double defects with different spacing under different tensile strains (mol/m3)

Tensile strain / % Defect spacing/mm 0 5 10 15 20 0 10 10 10 10 10 0.1 10.07 10.08 10.09 10.09 10.09 0.2 10.59# 10.53 10.55 10.53 10.53 0.5 10.99# 11.15* 10.98 10.92 10.92 1 11.18* 11.89* 11.68* 11.17 11.17 2 11.72* 12.73* 13.01* 11.56 11.56 3 12.06* 12.95* 13.91* 12.00 12.00