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

表2 不同缺陷长度处的最大氢浓度

Table 2 The maximum hydrogen concentrations at different defect lengths

Type	Defect length mm	C_max / mol·m^-3	Location coordinates
Type	Defect length mm	C_max / mol·m^-3	x / mm	y / mm	z / mm
Internal corrosion defect	10	10.53	0	-250.29	500.00
	12	10.53	0	-250.86	500.97
	14	10.54	0	-250.87	500.93
	16	10.57	0	-250.90	500.82
External corrosion defect	10	11.20	0	-248.18	500.00
	12	11.30	0	-248.18	500.00
	14	11.34	0	-248.18	500.00
	16	11.53	0	-248.18	500.00