区域阴极保护数值模拟边界条件反演计算方法研究及应用
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庄大伟, 杜艳霞, 陈涛涛, 鲁丹平
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Research on Boundary Condition Inversion Method for Numerical Simulation of Regional Cathodic Protection and Its Application
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ZHUANG Dawei, DU Yanxia, CHEN Taotao, LU Danping
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表1 管道电位偏移和站点反馈数据
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Table 1 Potential drift of pipelines and feedback data
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| Number | | 1# Anode bed | | 2# Anode bed | | 3# Anode bed |
|---|
| VselfvsCSE / V | Vonvs CSE / V | Voffvs CSE / V | ΔV / mV | | VonvsCSE / V | VoffvsCSE / V | ΔV / mV | | VonvsCSE / V | VoffvsCSE / V | ΔV / mV |
|---|
| Area 1 | A1 | -0.5 | -1.46 | -0.62 | -120 | | -1.74 | -0.74 | -240 | | -1.14 | -0.68 | -180 | | A2 | -0.49 | -0.86 | -0.63 | -140 | | -1.25 | -0.75 | -260 | | -1.03 | -0.7 | -210 | | A3 | -0.47 | -0.97 | -0.62 | -150 | | -1.37 | -0.74 | -270 | | --- | --- | --- | | A4 | -0.47 | -1.07 | -0.63 | -160 | | -1.47 | -0.75 | -280 | | --- | --- | --- | | A5 | -0.47 | -1.05 | -0.61 | -140 | | -1.44 | -0.73 | -260 | | --- | --- | --- | | A6 | -0.5 | -1.1 | -0.63 | -130 | | -1.45 | -0.74 | -240 | | --- | --- | --- | | A7 | -0.48 | -0.96 | -0.6 | -120 | | -1.36 | -0.7 | -220 | | --- | --- | --- | | A8 | -0.5 | -1.01 | -0.65 | -150 | | -1.47 | -0.75 | -250 | | -1.04 | -0.7 | -200 | | Area 2 | B1 | -0.54 | -0.74 | -0.59 | -50 | | -1.57 | -0.72 | -180 | | -0.82 | -0.65 | -110 | | B2 | -0.44 | -0.64 | -0.56 | -120 | | -1.11 | -0.69 | -250 | | -0.78 | -0.63 | -190 | | B3 | -0.47 | --- | --- | --- | | --- | --- | --- | | --- | --- | --- | | B4 | -0.55 | --- | --- | --- | | -1.11 | -0.75 | -200 | | -0.8 | -0.66 | -110 | | B5 | -0.47 | --- | --- | --- | | --- | --- | --- | | --- | --- | --- | | B6 | -0.55 | -0.75 | -0.66 | -110 | | -1.19 | -0.8 | -250 | | -0.88 | -0.71 | -160 | | B7 | -0.49 | --- | --- | --- | | --- | --- | --- | | --- | --- | --- | | B8 | -0.47 | --- | --- | --- | | -1.3 | -0.79 | -320 | | -0.82 | -0.63 | -160 | | B9 | -0.54 | --- | --- | --- | | --- | --- | --- | | --- | --- | --- | | B10 | -0.44 | -0.65 | -0.52 | -80 | | -1.17 | -0.67 | -230 | | -0.88 | -0.64 | -200 | | B11 | -0.52 | --- | --- | --- | | --- | --- | --- | | --- | --- | --- | | B12 | -0.52 | -0.7 | -0.57 | -50 | | -1.24 | -0.68 | -160 | | -0.88 | -0.64 | -120 | | B13 | -0.46 | --- | --- | --- | | --- | --- | --- | | --- | --- | --- | | B14 | -0.46 | -0.75 | -0.59 | -130 | | -1.14 | -0.68 | -220 | | -1.11 | -0.69 | -230 | | B15 | -0.48 | --- | --- | --- | | --- | --- | --- | | --- | --- | --- | | B16 | -0.47 | -0.8 | -0.59 | -120 | | -1.2 | -0.7 | -230 | | -1.25 | -0.71 | -240 | | B17 | -0.47 | -0.84 | -0.59 | -120 | | -1.23 | -0.66 | -190 | | -1.57 | -0.7 | -230 | | B18 | -0.49 | --- | --- | --- | | --- | --- | --- | | -1.64 | -0.72 | -230 | | B19 | -0.48 | -0.75 | -0.57 | -90 | | --- | --- | --- | | -3.32 | -0.84 | -360 | | B20 | -0.42 | -0.69 | -0.54 | -120 | | --- | --- | --- | | -1.39 | -0.63 | --- | | B21 | -0.48, (-0.42~-0.52) | --- | --- | --- | | --- | --- | --- | | -1.29 | --- | --- | | Area 3 | C1 | --- | --- | --- | --- | | --- | --- | --- | | -3.96 | -0.87 | -870 |
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