Article(id=1156907875013582972, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156907871645556837, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2402268, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1711728000000, receivedDateStr=2024-03-30, revisedDate=1716307200000, revisedDateStr=2024-05-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1753757931712, onlineDateStr=2025-07-29, pubDate=1737993600000, pubDateStr=2025-01-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753757931712, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753757931712, creator=13701087609, updateTime=1753757931712, updator=13701087609, issue=Issue{id=1156907871645556837, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='3', pageStart='879', pageEnd='1312', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1753757930909, creator=13701087609, updateTime=1765095544280, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1204461268821320541, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156907871645556837, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1204461268825514846, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156907871645556837, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1039, endPage=1046, ext={EN=ArticleExt(id=1156907875865026688, articleId=1156907875013582972, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Effect of AC Stray Current and Stress Coupling on Corrosion Behavior of Coated Damaged Pipelines, columnId=1156262729003422020, journalTitle=Science Technology and Engineering, columnName=Papers·Petroleum and Natural Gas Industry, runingTitle=null, highlight=null, articleAbstract=
Due to the similarity in site selection between underground pipelines and power facilities such as high-voltage power lines and urban rail transit power supply systems, underground pipelines are increasingly affected by stray currents generated by power facilities. The impact of AC stray currents on the corrosion rate of pipeline coating defects were simulated and analyzed. The effects of parameters such as AC current magnitude, soil conductivity, internal pressure of the pipeline, stress, distance to grounding electrode, and pipeline radius on corrosion were investigated in the study. The results indicate that when the stress on the pipeline is less than the yield strength, the effect of stress on the corrosion caused by AC stray currents is relatively small. However, after the deformation of the pipeline increases, serious corrosion will be induced by stress. The greater the AC current, the greater the corrosion at the defects of the pipeline coating. The lower the AC frequency, the greater the corrosion at the defects of the pipeline coating. The closer the distance to the grounding electrode, the greater the corrosion at the defects of the pipeline coating. The higher the soil conductivity, the greater the corrosion at the defects of the pipeline coating. The smaller the pipeline radius, the greater the corrosion at the defects of the pipeline coating. These research findings are of significant importance for ensuring the safe operation of oil and gas transportation pipelines under the influence of AC stray currents.
, correspAuthors=Dong-xu SUN, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Huan DONG, Gui-yang MA, Dong-xu SUN), CN=ArticleExt(id=1156907939194823472, articleId=1156907875013582972, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=交流杂散电流与应力耦合对涂层破损管道腐蚀行为影响, columnId=1156262729603207500, journalTitle=科学技术与工程, columnName=论文·石油、天然气工业, runingTitle=null, highlight=null, articleAbstract=
由于埋地管线与高压电线、城市轨道交通供电系统等电力设施选址类似,导致埋地管道越来越频繁地受到来自电力设施产生的杂散电流影响。通过模拟分析交流杂散电流对管道涂层破损处腐蚀量的影响,研究了交流电流大小、土壤电导率、管道内压、应力、接地极距离和管道半径等参数对腐蚀的影响。结果显示,当管道应力小于屈服强度时,应力对交流杂散电流的腐蚀影响较小,但管道形变增加后,应力将引起严重腐蚀。交流电流越大,管道涂层缺陷处腐蚀量越大。交流电频率越小,管道涂层缺陷处腐蚀量越大。接地极距离管道越近,管道涂层缺陷处腐蚀量越大。土壤的电导率越大,管道涂层缺陷处腐蚀量越大。管道半径越小,管道涂层缺陷处腐蚀量越大。研究成果对确保交流杂散电流影响下油气输送管道的安全运行具有重要意义。
, correspAuthors=孙东旭, authorNote=null, correspAuthorsNote=
* 孙东旭(1991—),男,汉族,辽宁鞍山人,博士,副教授,硕士研究生导师。研究方向:油气管道完整性管理、管线钢腐蚀与防护和LNG储运工艺等。E-mail:
dx_sun@sina.cn。
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董欢(1999—),男,汉族,安徽芜湖人,硕士研究生。研究方向:杂散电流对涂层破损管线钢腐蚀。E-mail:854880293@qq.com。
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董欢(1999—),男,汉族,安徽芜湖人,硕士研究生。研究方向:杂散电流对涂层破损管线钢腐蚀。E-mail:854880293@qq.com。
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41(4): 458-465., articleTitle=Numerical simulation of interference and corrosion law of high-voltage direct current grounding current on oil and gas pipelines, refAbstract=null)], funds=[Fund(id=1204542860528955626, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, awardId=52274062, language=CN, fundingSource=国家自然科学基金(52274062), fundOrder=null, country=null), Fund(id=1204542860663173362, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, awardId=2023-BS-198, language=CN, fundingSource=辽宁省博士科研启动基金(2023-BS-198), fundOrder=null, country=null), Fund(id=1204542860814168319, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, awardId=LJKMZ20220734, language=CN, fundingSource=辽宁省教育厅基本科研项目(LJKMZ20220734), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1204542853910344580, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, xref=null, ext=[AuthorCompanyExt(id=1204542853918733188, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, companyId=1204542853910344580, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Petroleum and Natural Gas Engineering, Liaoning Petrochemical University, Fushun 113005, China), AuthorCompanyExt(id=1204542853927121798, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, companyId=1204542853910344580, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=辽宁石油化工大学石油与天然气工程学院, 抚顺 113005)])], figs=[ArticleFig(id=1204542856233988151, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Fig.1, caption=
3D model of soil, buried pipeline, and grounding pole of AC system, figureFileSmall=k0Zqvb5ODdXuiPisgpCIFg==, figureFileBig=/WNldxtov1Yzfa8TowtLWw==, tableContent=null), ArticleFig(id=1204542856355622975, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=图1, caption=
土壤、埋地管道、交流系统接地极三维模型图, figureFileSmall=k0Zqvb5ODdXuiPisgpCIFg==, figureFileBig=/WNldxtov1Yzfa8TowtLWw==, tableContent=null), ArticleFig(id=1204542856535978062, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Fig.2, caption=
Quality change of pipeline corroded for 100 hours without internal pressure, figureFileSmall=xd0SSzIACPjo5f1r+I7DIw==, figureFileBig=Y353Tyv+DdhhNQlvibqxJw==, tableContent=null), ArticleFig(id=1204542856657612885, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=图2, caption=
无内压时管道被腐蚀100 h后质量变化, figureFileSmall=xd0SSzIACPjo5f1r+I7DIw==, figureFileBig=Y353Tyv+DdhhNQlvibqxJw==, tableContent=null), ArticleFig(id=1204542856775053401, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Fig.3, caption=
The ground electrode current is 30 A under no internal pressure and the coating at the damaged area corrodes, with mass change observed after 100 hours, figureFileSmall=ttAAxdU6FlnGRzpuvCDBzA==, figureFileBig=APRg6wbCNEnNH3mIV9XvMw==, tableContent=null), ArticleFig(id=1204542856867328095, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=图3, caption=
无内压时接地极电流为30 A时涂层破损处被腐蚀100 h后质量变化, figureFileSmall=ttAAxdU6FlnGRzpuvCDBzA==, figureFileBig=APRg6wbCNEnNH3mIV9XvMw==, tableContent=null), ArticleFig(id=1204542858020761700, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Fig.4, caption=
The effect of soil conductivity, ground electrode position, frequency, and radius on pipeline mass change after 100 hours of corrosion under no internal pressure, figureFileSmall=+aW3XqKiT+qTvbe5BpJSow==, figureFileBig=JDyCYcoKrNFKtkOYNVwJaQ==, tableContent=null), ArticleFig(id=1204542858289197165, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=图4, caption=
无内压时土壤电导率、接地极位置、频率、半径对管道被腐蚀100 h后质量变化, figureFileSmall=+aW3XqKiT+qTvbe5BpJSow==, figureFileBig=JDyCYcoKrNFKtkOYNVwJaQ==, tableContent=null), ArticleFig(id=1204542858410831990, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Fig.5, caption=
Mass change of the pipeline after 100 hours of corrosion under internal pressure, figureFileSmall=UU9fLS+meCqCP4yq1xLBJA==, figureFileBig=aFfxiKpnbBtEjcywyqKL8g==, tableContent=null), ArticleFig(id=1204542858561826940, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=图5, caption=
有内压时管道被腐蚀后100 h后质量变化, figureFileSmall=UU9fLS+meCqCP4yq1xLBJA==, figureFileBig=aFfxiKpnbBtEjcywyqKL8g==, tableContent=null), ArticleFig(id=1204542858679267459, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Fig.6, caption=
Mass change at the damaged coating after 100 hours of corrosion with a 30 A ground electrode current under internal pressure, figureFileSmall=wfRVSS+imAbvV6zavlhd6w==, figureFileBig=VdEObwUrHK1LWmp9SIFk0w==, tableContent=null), ArticleFig(id=1204542858784125064, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=图6, caption=
有内压时接地极电流为30 A时涂层破损处被腐蚀100 h后质量变化, figureFileSmall=wfRVSS+imAbvV6zavlhd6w==, figureFileBig=VdEObwUrHK1LWmp9SIFk0w==, tableContent=null), ArticleFig(id=1204542858918342799, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Fig.7, caption=
Changes in the total corrosion mass of the potential at the coating damage location over time at a grounding electrode current of 200 A, figureFileSmall=nNM6PMGIiTlVF12EEUGmQw==, figureFileBig=hphlWdY0Dg/Od2XBGKft4A==, tableContent=null), ArticleFig(id=1204542859039977621, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=图7, caption=
接地极电流200 A时随时间变化涂层破损处的电位的腐蚀总质量的变化图, figureFileSmall=nNM6PMGIiTlVF12EEUGmQw==, figureFileBig=hphlWdY0Dg/Od2XBGKft4A==, tableContent=null), ArticleFig(id=1204542859190972572, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Fig.8, caption=
The effect of soil conductivity, ground electrode position, frequency, and radius on pipeline mass change after 100 hours of corrosion under internal pressure, figureFileSmall=ix17eHvibFVelxiBoe2CGQ==, figureFileBig=lnjr5tGVu1oT3mEiM9ovDA==, tableContent=null), ArticleFig(id=1204542859279052959, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=图8, caption=
有内压时土壤电导率、接地极位置、频率、半径对管道被腐蚀100 h后质量变化, figureFileSmall=ix17eHvibFVelxiBoe2CGQ==, figureFileBig=lnjr5tGVu1oT3mEiM9ovDA==, tableContent=null), ArticleFig(id=1204542859396493479, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Fig.9, caption=
Changes in total corrosion mass for 100 h under different internal pressures in pipelines, figureFileSmall=3jB5nMaRDAA9Po3hNktv6Q==, figureFileBig=ouPN6EKOxMhOyqVBPaC4kw==, tableContent=null), ArticleFig(id=1204542859530711215, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=图9, caption=
管道内压不同时100 h的腐蚀总质量的变化图, figureFileSmall=3jB5nMaRDAA9Po3hNktv6Q==, figureFileBig=ouPN6EKOxMhOyqVBPaC4kw==, tableContent=null), ArticleFig(id=1204542859669123255, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Table 1, caption=
Expression of control equation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 符号 | 表达式 |
| 接地极电流密度 | Fv | Fv=Asin(ωt) |
| 电流密度 | iapp | iapp=Fv/(2πrL) |
| 硬化函数 | σyhard | $\sigma_{\text {yhard }}=\sigma_{\exp }\left(\varepsilon_{\mathrm{p}}+\frac{\sigma_{\mathrm{e}}}{E}\right)-\sigma_{\mathrm{ys}}$ |
| 局部阳极电流密度 | ia | ia=i0a |
| 阳极反应的过电位 | ηa | ηa=ϕs-ϕI-Eeq0a |
| 局部阴极电流密度 | Eeqa | $E_{\mathrm{eqa}}=E_{\mathrm{eq} 0 \mathrm{a}}-\frac{\Delta P_{\mathrm{m}} V_{\mathrm{m}}}{z F}-\frac{T R}{z F} \ln \left(\frac{\nu \alpha}{N_{0}} \varepsilon_{\mathrm{p}}+1\right)$ |
| 阴极反应的过电位 | ic | ic=i0c |
| 极反应平衡电位 | ηc | ηc=ϕs-ϕI-Eeq0c |
| 阴极反应的交换电流密度 | i0c | i0c=i0c,ref1 |
), ArticleFig(id=1204542859782369471, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=表1, caption=
控制方程表达式
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 符号 | 表达式 |
| 接地极电流密度 | Fv | Fv=Asin(ωt) |
| 电流密度 | iapp | iapp=Fv/(2πrL) |
| 硬化函数 | σyhard | $\sigma_{\text {yhard }}=\sigma_{\exp }\left(\varepsilon_{\mathrm{p}}+\frac{\sigma_{\mathrm{e}}}{E}\right)-\sigma_{\mathrm{ys}}$ |
| 局部阳极电流密度 | ia | ia=i0a |
| 阳极反应的过电位 | ηa | ηa=ϕs-ϕI-Eeq0a |
| 局部阴极电流密度 | Eeqa | $E_{\mathrm{eqa}}=E_{\mathrm{eq} 0 \mathrm{a}}-\frac{\Delta P_{\mathrm{m}} V_{\mathrm{m}}}{z F}-\frac{T R}{z F} \ln \left(\frac{\nu \alpha}{N_{0}} \varepsilon_{\mathrm{p}}+1\right)$ |
| 阴极反应的过电位 | ic | ic=i0c |
| 极反应平衡电位 | ηc | ηc=ϕs-ϕI-Eeq0c |
| 阴极反应的交换电流密度 | i0c | i0c=i0c,ref1 |
), ArticleFig(id=1204542859920781510, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Table 2, caption=
Parameters of stray current interference simulation condition of AC unipolar system
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 名称 | 数值 | 参数 | 名称 | 数值 |
| R1 | 管道电阻 | 4×10-7 | bc | 氢析出的Tafel斜率 | -207 |
| R2 | 土壤电阻 | 200 | ΔPm | 导致弹性变形的过压 | 806×106 |
| L | 接地极到管道的距离 | 22 | Vm | 摩尔体积 | 7.13×10-6 |
| ic | 接地电流 | 200 | zm | 电荷数目 | 2 |
| R3 | 涂层电阻 | 5 000 | T | 温度 | 298.15 |
| disp | 位移 | 0.001 | nu | 方向相关因子 | 0.45 |
| Eeq0a | 无应力条件下相对于SCE的铁溶解平衡电位 | -0.859 | α | 系数 | 1.67×1011 |
| Eeq0c | 无应力条件下相对于SCE的氢析出平衡电位 | -0.644 | N0 | 初始位错密度 | 1×108 |
| i0a | 铁溶解的交换电流密度 | 2.353×10-3 | ΔEeqae | 弹性变形引起的平衡电位 | -0.009 926 9 |
| ba | 铁溶解的Tafel斜率 | 118 | σ | 电解质电导率 | 0.096 |
| i0c | 氢析出的交换电流密度 | 1.457×10-2 | r | 管道半径 | 0.6 |
| P | 管道内部压力 | 4×106 | L1 | 接地极长度 | 5 |
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交流杂散电流系统干扰模拟工况参数表
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| 参数 | 名称 | 数值 | 参数 | 名称 | 数值 |
| R1 | 管道电阻 | 4×10-7 | bc | 氢析出的Tafel斜率 | -207 |
| R2 | 土壤电阻 | 200 | ΔPm | 导致弹性变形的过压 | 806×106 |
| L | 接地极到管道的距离 | 22 | Vm | 摩尔体积 | 7.13×10-6 |
| ic | 接地电流 | 200 | zm | 电荷数目 | 2 |
| R3 | 涂层电阻 | 5 000 | T | 温度 | 298.15 |
| disp | 位移 | 0.001 | nu | 方向相关因子 | 0.45 |
| Eeq0a | 无应力条件下相对于SCE的铁溶解平衡电位 | -0.859 | α | 系数 | 1.67×1011 |
| Eeq0c | 无应力条件下相对于SCE的氢析出平衡电位 | -0.644 | N0 | 初始位错密度 | 1×108 |
| i0a | 铁溶解的交换电流密度 | 2.353×10-3 | ΔEeqae | 弹性变形引起的平衡电位 | -0.009 926 9 |
| ba | 铁溶解的Tafel斜率 | 118 | σ | 电解质电导率 | 0.096 |
| i0c | 氢析出的交换电流密度 | 1.457×10-2 | r | 管道半径 | 0.6 |
| P | 管道内部压力 | 4×106 | L1 | 接地极长度 | 5 |
), ArticleFig(id=1204542860168245459, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=EN, label=Table 3, caption=
Model validation results
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涂层破损处的 位置/m | 时间/min | 电位/V | 误差/% |
| 模拟 | 实验 |
| 2 | 10 | -0.728 | -0.766 | 4.9 |
| 4 | 50 | -0.732 | -0.764 | 4.2 |
| 2 | 90 | -0.858 | -0.899 | 4.6 |
| 4 | 120 | -0.821 | -0.844 | 2.7 |
), ArticleFig(id=1204542860294074588, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156907875013582972, language=CN, label=表3, caption=
模型验证结果
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涂层破损处的 位置/m | 时间/min | 电位/V | 误差/% |
| 模拟 | 实验 |
| 2 | 10 | -0.728 | -0.766 | 4.9 |
| 4 | 50 | -0.732 | -0.764 | 4.2 |
| 2 | 90 | -0.858 | -0.899 | 4.6 |
| 4 | 120 | -0.821 | -0.844 | 2.7 |
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