Article(id=1319293103085830346, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293088569344063, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.04.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1722182400000, receivedDateStr=2024-07-29, revisedDate=1735056000000, revisedDateStr=2024-12-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473587056, onlineDateStr=2026-10-20, pubDate=1745942400000, pubDateStr=2025-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473587056, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473587056, creator=13701087609, updateTime=1792473587056, updator=13701087609, issue=Issue{id=1319293088569344063, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='4', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1745942400000', pubDateStr='2025-04-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473583595, creator='13701087609', updateTime=1792473583595, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=93, endPage=101, ext={EN=ArticleExt(id=1319293103261991115, articleId=1319293103085830346, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Study on leakage diffusion law of light hydrocarbon pipeline, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the leakage and diffusion issues in light hydrocarbon pipelines,this study establishes a conceptual model of the leakage diffusion process,dividing it into four stages and conducting theoretical analysis with formula derivation.A numerical model of atmosphere‑pipeline‑soil leakage diffusion was developed using CFD to analyze the entire leakage process,focusing on the diffusion range variations of different hydrocarbon components and comparing multi‑component versus single‑component leakage characteristics.Simulation results show that light hydrocarbon leakage occurs in three phases:rapid diffusion in the initial phase,stabilization during the middle phase,and full stabilization after 800 s in the final phase.C3 exhibits the largest gaseous diffusion range,while C5 shows the largest liquid diffusion range.Single‑component C2~C4 demonstrate broader diffusion ranges,whereas multi‑component C5~C8 exhibit larger diffusion extents.In multi‑component leakage,sequential vaporization and diffusion suppress the diffusion of heavy gaseous components,resulting in smaller ranges compared to single components,while liquid components expand their diffusion due to gas‑phase entrainment.This study provides theoretical foundations and technical support for emergency management of light hydrocarbon pipeline leaks.
, authors=Liqiong CHEN, Zhenbao XIONG, Xiang ZHAO, Kai ZHANG, authorsList=Liqiong CHEN, Zhenbao XIONG, Xiang ZHAO, Kai ZHANG, authorCompany=null, correspAuthors=null, 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, fund=null), CN=ArticleExt(id=1319293106973950176, articleId=1319293103085830346, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=轻烃管道泄漏扩散规律研究, columnId=1317484300472271469, journalTitle=流体机械, columnName=应用技术, runingTitle=null, highlight=null, articleAbstract=
针对轻烃管道泄漏扩散问题,以轻烃管道为研究对象,建立轻烃泄漏扩散过程概念模型,划分泄漏扩散4大过程,并对相关理论进行分析及公式推导。基于CFD建立大气-管道-土壤泄漏扩散数值模型,对轻烃泄漏扩散全过程进行分析;研究各组分轻烃扩散范围的变化,分析多组分与单组分轻烃泄漏差异。模拟结果表明,轻烃泄漏分3个时期,前期轻烃迅速泄漏扩散,中期基本形成稳定区域,后期800 s形成稳定区域。C3,C5分别为气、液烃扩散范围最大的轻烃;C2~C4单组分扩散范围更大,C5~C8多组分扩散范围更大,多组分轻烃因气化及扩散存在先后顺序,重组分气烃扩散得到抑制,从而扩散范围小于单组分,液烃受高速流出气烃携带作用,扩散范围增大。研究可为轻烃管道泄漏扩散应急管理提供理论依据和技术手段。
, authors=陈利琼, 熊珍宝, 赵翔, 张开, authorsList=陈利琼, 熊珍宝, 赵翔, 张开, authorCompany=null, correspAuthors=null, authorNote=
陈利琼(1976),女,博士(后),教授,博士研究生导师,主要从事油气储运安全技术、油气储运工艺优化等方向的研究,通信地址:610500四川省成都市新都区新都大道8号西南石油大学,E-mail:121488667@qq.com。
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作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过互联网进行网络出版或提供信息服务。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=xAIu6q3ApOataG+IkdGJKA==, magXml=AY94V3OpSZJmGYyZ5HaVKA==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=673MvggUspmBiLuUsEfrxw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=FAv6JUGZCBd28UcJGEBDtQ==, mapNumber=null, fund=null)}, authors=[Author(id=1319293107309494501, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=121488667@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293107380797671, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, authorId=1319293107309494501, language=EN, stringName=Liqiong CHEN, firstName=Liqiong, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Petroleum and Gas Engineering,Southwest Petroleum University,Chengdu 610500,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1319293107452100840, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, authorId=1319293107309494501, language=CN, stringName=陈利琼, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=西南石油大学 石油与天然气工程学院,成都 610500, bio={"content":"
陈利琼(1976),女,博士(后),教授,博士研究生导师,主要从事油气储运安全技术、油气储运工艺优化等方向的研究,通信地址:610500四川省成都市新都区新都大道8号西南石油大学,E-mail:121488667@qq.com。
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陈利琼(1976),女,博士(后),教授,博士研究生导师,主要从事油气储运安全技术、油气储运工艺优化等方向的研究,通信地址:610500四川省成都市新都区新都大道8号西南石油大学,E-mail:121488667@qq.com。
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tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, orderNo=1, keyword=轻烃管道), Keyword(id=1319293108563591420, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, orderNo=2, keyword=泄漏扩散), Keyword(id=1319293108626505981, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, orderNo=3, keyword=数值模拟)], refs=[Reference(id=1319293112145527062, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=1, rfOrder=0, authorNames=null, journalName=null, refType=null, unstructuredReference=梁远桥.混空轻烃燃气管网输送功能与安全性研究[D].西安:西安石油大学,2021., articleTitle=null, refAbstract=null), Reference(id=1319293112212635927, tenantId=1146029695717560320, journalId=1316781260334530699, 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tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, xref=null, ext=[AuthorCompanyExt(id=1319293107229802722, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, companyId=1319293107217219809, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Petroleum and Gas Engineering,Southwest Petroleum University,Chengdu 610500,China), AuthorCompanyExt(id=1319293107238191331, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, companyId=1319293107217219809, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=西南石油大学 石油与天然气工程学院,成都 610500)])], figs=[ArticleFig(id=1319293108743946494, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.1, caption=
Conceptual model of light hydrocarbon pipeline leakage and diffusion process, figureFileSmall=oZ6KWQsdcByCjHz+ODAMNw==, figureFileBig=673MvggUspmBiLuUsEfrxw==, tableContent=null), ArticleFig(id=1319293108802666751, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图1, caption=
轻烃管道泄漏扩散过程概念模型, figureFileSmall=oZ6KWQsdcByCjHz+ODAMNw==, figureFileBig=673MvggUspmBiLuUsEfrxw==, tableContent=null), ArticleFig(id=1319293110568468736, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.2, caption=
Light hydrocarbon pipeline leakage diffusion model, figureFileSmall=a9tQ0FrnOmcGQc+SlUqoPg==, figureFileBig=WNyPxHIeHROUXusQlbf+AQ==, tableContent=null), ArticleFig(id=1319293110622994689, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图2, caption=
轻烃管道泄漏扩散模型, figureFileSmall=a9tQ0FrnOmcGQc+SlUqoPg==, figureFileBig=WNyPxHIeHROUXusQlbf+AQ==, tableContent=null), ArticleFig(id=1319293110690103554, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.3, caption=
local grid refinement, figureFileSmall=nXuJRLIX/L5nns6Pt1VbHQ==, figureFileBig=+RmndSaz19XDc3gxYgkOpw==, tableContent=null), ArticleFig(id=1319293110761406723, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图3, caption=
局部网格加密, figureFileSmall=nXuJRLIX/L5nns6Pt1VbHQ==, figureFileBig=+RmndSaz19XDc3gxYgkOpw==, tableContent=null), ArticleFig(id=1319293110815932676, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.4, caption=
Grid independence verification, figureFileSmall=ALsS0xjj8NLvRqaUHjzrzg==, figureFileBig=kJ8fsShm7RVmlYxEyz6K0w==, tableContent=null), ArticleFig(id=1319293110883041541, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图4, caption=
网格无关性验证, figureFileSmall=ALsS0xjj8NLvRqaUHjzrzg==, figureFileBig=kJ8fsShm7RVmlYxEyz6K0w==, tableContent=null), ArticleFig(id=1319293110941761798, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.5, caption=
The C3,C5 leakage diffusion time cloud map in the early stage of leakage, figureFileSmall=X132dOiMjTRrJCvngUsjwg==, figureFileBig=cEvH/nzORmqwiufAuRLtTw==, tableContent=null), ArticleFig(id=1319293111004676359, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图5, caption=
泄漏前期C3,C5泄漏扩散时间云图, figureFileSmall=X132dOiMjTRrJCvngUsjwg==, figureFileBig=cEvH/nzORmqwiufAuRLtTw==, tableContent=null), ArticleFig(id=1319293111084368136, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.6, caption=
The C3,C5 leakage diffusion time cloud map in the middle of the leakage, figureFileSmall=uMhKj6gmcslp3sOGKLBEhg==, figureFileBig=JAV8iaID1X4OUe4mwg6saQ==, tableContent=null), ArticleFig(id=1319293111147282697, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图6, caption=
泄漏中期C3,C5泄漏扩散时间云图, figureFileSmall=uMhKj6gmcslp3sOGKLBEhg==, figureFileBig=JAV8iaID1X4OUe4mwg6saQ==, tableContent=null), ArticleFig(id=1319293111222780170, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.7, caption=
The C3,C5 leakage diffusion time cloud map in the later stage of leakage, figureFileSmall=D1uav4dvCrxF8PzZOY04bA==, figureFileBig=arJqx0FmHkXIcQh71hHSew==, tableContent=null), ArticleFig(id=1319293111302471947, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图7, caption=
泄漏后期C3,C5泄漏扩散时间云图, figureFileSmall=D1uav4dvCrxF8PzZOY04bA==, figureFileBig=arJqx0FmHkXIcQh71hHSew==, tableContent=null), ArticleFig(id=1319293111369580812, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.8, caption=
The whole process change diagram of leakage diffusion range of light hydrocarbon pipeline (0~1 600 s), figureFileSmall=3m73SWs1vVotTuT2jrDdIg==, figureFileBig=0RWQtKawUFfrZFtqAuNkuw==, tableContent=null), ArticleFig(id=1319293111440883981, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图8, caption=
轻烃管道泄漏扩散范围全过程变化图(0~1 600 s), figureFileSmall=3m73SWs1vVotTuT2jrDdIg==, figureFileBig=0RWQtKawUFfrZFtqAuNkuw==, tableContent=null), ArticleFig(id=1319293111507992846, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.9, caption=
C3,C5 multi‑component/single‑component light hydrocarbon leakage diffusion comparison, figureFileSmall=v60ifRB35QEIHRMidQ8eMg==, figureFileBig=smXbGs7L1sm9ZzfQvj+zLw==, tableContent=null), ArticleFig(id=1319293111600267535, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图9, caption=
多组分/单组分轻烃泄漏C3,C5扩散对比, figureFileSmall=v60ifRB35QEIHRMidQ8eMg==, figureFileBig=smXbGs7L1sm9ZzfQvj+zLw==, tableContent=null), ArticleFig(id=1319293111675765008, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Fig.10, caption=
Comparison of single‑component and multi‑component diffusion ranges, figureFileSmall=XEsPWxrewDsxp9uNM81XXg==, figureFileBig=L9H1q9EYOjdvqkYldu5PdA==, tableContent=null), ArticleFig(id=1319293111747068177, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=图10, caption=
单组分和多组分扩散范围对比, figureFileSmall=XEsPWxrewDsxp9uNM81XXg==, figureFileBig=L9H1q9EYOjdvqkYldu5PdA==, tableContent=null), ArticleFig(id=1319293111835148562, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Tab.1, caption=
Comparison results of the error between the simulated value and the test value
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 管道内压/MPa | 管道温度/K | 泄漏孔径/mm | 孔口形状 | 泄漏口总质量流量/(kg·s-1) | 误差/% |
|---|
| 试验值 | 模拟值 |
|---|
| 1 | 2.12 | 290.00 | 51 | 圆孔 | 9.50 | 10.24 | 8.39 |
| 2 | 2.25 | 291.55 | 35 | 圆孔 | 4.80 | 5.06 | 7.82 |
| 3 | 1.16 | 286.95 | 51 | 圆孔 | 6.00 | 5.44 | 6.50 |
| 4 | 2.18 | 286.45 | 15 | 矩形孔 | 1.35 | 1.44 | 9.31 |
), ArticleFig(id=1319293111919034643, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=表1, caption=
模拟值与试验值误差对比结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 管道内压/MPa | 管道温度/K | 泄漏孔径/mm | 孔口形状 | 泄漏口总质量流量/(kg·s-1) | 误差/% |
|---|
| 试验值 | 模拟值 |
|---|
| 1 | 2.12 | 290.00 | 51 | 圆孔 | 9.50 | 10.24 | 8.39 |
| 2 | 2.25 | 291.55 | 35 | 圆孔 | 4.80 | 5.06 | 7.82 |
| 3 | 1.16 | 286.95 | 51 | 圆孔 | 6.00 | 5.44 | 6.50 |
| 4 | 2.18 | 286.45 | 15 | 矩形孔 | 1.35 | 1.44 | 9.31 |
), ArticleFig(id=1319293111990337812, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=EN, label=Tab.2, caption=
Light hydrocarbon concern concentration setting %
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | C2 | C3 | C4 | C5 | C6 | C7 | C8 |
|---|
| 数值 | 3.0 | 2.2 | 1.8 | 1.1 | 1.2 | 1.1 | 1.0 |
), ArticleFig(id=1319293112061640981, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293103085830346, language=CN, label=表2, caption=
轻烃关注浓度设定
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | C2 | C3 | C4 | C5 | C6 | C7 | C8 |
|---|
| 数值 | 3.0 | 2.2 | 1.8 | 1.1 | 1.2 | 1.1 | 1.0 |
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