基于<strong>COMSOL</strong>的核电站安全壳钢衬里外侧腐蚀研究

基于COMSOL的核电站安全壳钢衬里外侧腐蚀研究

李忠诚, 陈圣刚, 郭全全, 郭俊营

Research on Corrosion Mechanism of Steel Liner of Nuclear Containment Vessel Based on COMSOL Model

LI Zhongcheng, CHEN Shenggang, GUO Quanquan, GUO Junying

表1 异物影响下钢衬里外侧腐蚀状态参数

Table 1 Corrosion parameters of the outside of steel liner under the condition of foreign material existing

Dimension mm×mm	$S_{c} / S_{a}$	$ρ$ Ω·m	$I$ A·m^-2	$v_{c}$ mm·a^-1	T a
5×5	1599∶1	200	0.45	0.529	11.34
10×10	399∶1	200	0.28	0.329	18.23
20×20	99∶1	200	0.20	0.235	25.52
40×40	24∶1	200	0.15	0.176	34.03
80×80	5.25∶1	200	0.12	0.141	42.54
20×20	99∶1	20	0.62	0.73	8.22
20×20	99∶1	500	0.10	0.12	50.00
20×20	99∶1	1000	0.06	0.07	85.71