基于物理场耦合的交流干扰作用下埋地金属管线腐蚀数值仿真

王承涛, 申冠一, 许少毅, 李威, 王禹桥, 王树臣, 闻东东, 李朋宇

Numerical Simulation of Corrosion of Buried Metal Pipeline Under AC Interference Based on Physical Field Coupling

WANG Chengtao, SHEN Guanyi, XU Shaoyi, LI Wei, WANG Yuqiao, WANG Shuchen, WEN Dongdong, LI Pengyu

表2 仿真模型组件材料参数

Table 2 Resistivities and relative dielectric constants of component materials in simulation model

Component Resistivity / Ω·m Relative dielectric constant Soil 100 15 Running rail 1 × 10-6 1 × 107 Locomotive 1 × 10-6 1 × 107 Traction substraction 0.01 1 Buried metal pipeline 1 × 10-7 1 × 107 Anti-corrosion coating 1 × 105 2.3