Article(id=1284878712168485433, tenantId=1146029695717560320, journalId=1283840460791746584, issueId=1284096873799594072, articleNumber=PA20260711_5xv9fxY6, orderNo=null, doi=10.13637/j.issn.1009-6094.2025.0912, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1784268556873, onlineDateStr=2026-07-17, pubDate=1782316800000, pubDateStr=2026-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1784268556873, onlineIssueDateStr=2026-07-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1784268556873, creator=admin, updateTime=1784268556873, updator=admin, issue=Issue{id=1284096873799594072, tenantId=1146029695717560320, journalId=1283840460791746584, year='2026', volume='26', 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MPa及以下。影响因素影响度从高到低依次为并行间距、壁厚、管径及管输压力。从输气管道安全性的角度来讲,并行管道敷设应该优先考虑增加并行间距,其次为增加管道壁厚和减小管径,最后可以适当地减小管输压力。, authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, 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天然气喷射火致并行管道失效的热力机制与安全阈值研究
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陈利琼 1 , 饶洪玮 1 , 李扬 2 , 张开 1 , 贾昊雨 1
安全与环境学报 | 安全工程 2026,26(6):
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安全与环境学报 |安全工程 2026 , 26 (6) :
天然气喷射火致并行管道失效的热力机制与安全阈值研究
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陈利琼1 , 饶洪玮1 , 李扬2 , 张开1 , 贾昊雨1
作者信息
  • 1.西南石油大学石油与天然气工程学院
  • 2.国家石油天然气管网集团有限公司油气调控中心
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出版时间: 2026-06-25 doi: 10.13637/j.issn.1009-6094.2025.0912
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针对天然气管道泄漏燃烧对并行管道的影响和破坏问题,基于小孔泄漏和多物理场耦合理论建立并行管道燃烧流场和管道模型,通过Fluent软件进行模拟仿真分析。通过改变并行间距及并行管道壁厚、管径和管输压力,模拟分析不同因素下管道最大等效应力的变化趋势和屈服压力安全值,再对4种因素的影响结果进行敏感性分析。结果表明:为防止并行管道失效,管道间距应保持4.62 m及以上,管道壁厚需保持在27.48 mm及以上,管径需控制在648.5 mm及以下,管输压力需保持在9.96 MPa及以下。影响因素影响度从高到低依次为并行间距、壁厚、管径及管输压力。从输气管道安全性的角度来讲,并行管道敷设应该优先考虑增加并行间距,其次为增加管道壁厚和减小管径,最后可以适当地减小管输压力。
安全工程  /  并行管道  /  泄漏燃烧  /  等效应力  /  敏感性分析
陈利琼, 饶洪玮, 李扬, 张开, 贾昊雨. 天然气喷射火致并行管道失效的热力机制与安全阈值研究. 安全与环境学报, 2026 , 26 (6) . DOI: 10.13637/j.issn.1009-6094.2025.0912

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doi: 10.13637/j.issn.1009-6094.2025.0912
  • 首发时间:2026-07-17
  • 出版时间:2026-06-25
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作者信息
    1.西南石油大学石油与天然气工程学院
    2.国家石油天然气管网集团有限公司油气调控中心
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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