Article(id=1320037475867803799, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037457517728337, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.01.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753372800000, receivedDateStr=2025-07-25, revisedDate=1763308800000, revisedDateStr=2025-11-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651059357, onlineDateStr=2026-10-22, pubDate=1769702400000, pubDateStr=2026-01-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651059357, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651059357, creator=13701087609, updateTime=1792651059357, updator=13701087609, issue=Issue{id=1320037457517728337, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='1', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1769702400000', pubDateStr='2026-01-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651054982, creator='13701087609', updateTime=1792656198886, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059032665183153, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037457517728337, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059032669377458, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037457517728337, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=40, endPage=48, ext={EN=ArticleExt(id=1320037476043964568, articleId=1320037475867803799, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Study on the transient characteristics of mechanical seals considering methane dissolution, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the issue of axial floating and angular deflection of the seal ring caused by changes in methane solubility and gas volume fraction in the oil phase within multiphase pumps,as well as slug flow impact,leading to seal ring wear failure,a transient dynamic model for oil-gas two‑phase flow lubricated sealing considering methane dissolution is established.The model is solved using the finite difference method and the Euler method.The transient response characteristics of the seal before and after considering methane dissolution are compared,and the effects of axial pulsation and angular impact on the seal under different gas volume fractions when considering methane dissolution are investigated.The results show that when methane dissolution is considered,the fluctuations in film thickness and leakage rate are smaller,and the opening force tends to be consistent;during stage Ⅱ of axial vibration,when the gas volume fraction is 0.8,the displacement of the stationary ring is reduced by 3.25 times compared to when the gas volume fraction is 0;the stationary ring is less affected by angular impact,with the maximum change in central film thickness not exceeding 0.1 μm;when the gas volume fraction ranges from 0 to 0.8,the response of sealing performance to axial pulsation follows the same pattern;when the gas volume fraction is 0,the impact of angular shock on sealing performance is relatively small.This study provides theoretical guidance for the application of oil-gas two‑phase sealing in multiphase pumps.
, authors=Qingyang WANG
1, Zengli WANG
2, Weifeng WU
1, Ping ZHANG
1, Yude SUN
1, authorsList=Qingyang WANG, Zengli WANG, Weifeng WU, Ping ZHANG, Yude SUN, authorCompany=null, correspAuthors=Weifeng WU, 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=1320037479562985648, articleId=1320037475867803799, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=考虑甲烷溶解的机械密封瞬态特性研究, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
针对多相泵中甲烷在油相中溶解度和含气率的变化,以及段塞流的冲击,导致密封环轴向浮动与角向偏摆,进而造成密封环磨损失效的问题,建立考虑甲烷溶解的油气两相流润滑密封瞬态动力学模型,并基于有限差分法和欧拉法求解,对比考虑甲烷溶解前后密封的瞬态响应规律,探讨考虑甲烷溶解时,不同含气率下轴向脉动和角向冲击对密封的影响。结果表明,考虑甲烷溶解时的膜厚及泄漏量波动幅度较小,开启力趋于一致;在轴向振动Ⅱ阶段,含气率为0.8时,静环位移比含气率为0时减小了3.25倍;静环受角向冲击的影响较小,中心膜厚最大变化量不超过0.1 μm;含气率为0~0.8时,密封性能对轴向脉动的响应规律相同;含气率为0时,角向冲击对密封性能的影响相对较小。研究可为油气两相密封在多相泵中的应用提供理论指导。
, authors=王青阳
1, 王增丽
2, 吴伟烽
1, 张平
1, 孙玉德
1, authorsList=王青阳, 王增丽, 吴伟烽, 张平, 孙玉德, authorCompany=null, correspAuthors=吴伟烽, authorNote=
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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=thPFVYMkV3EQwAvjL0ak+w==, magXml=k2mN1MZuQH9ob6eZA1RlFQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=ueIgRHiCM2qec1lm45vSAg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=fK1w9HecgJCgQFqlgdGWXQ==, mapNumber=null, fund=null)}, authors=[Author(id=1320037480024359096, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=wangqy0808@stu.xjtu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037480099856570, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, authorId=1320037480024359096, language=EN, stringName=Qingyang WANG, firstName=Qingyang, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1西安交通大学 能源与动力工程学院,西安 710049, bio={"content":"
王青阳(1998),男,博士研究生,主要从事流体动力润滑研究,E-mail:wangqy0808@stu.xjtu.edu.cn。
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王青阳(1998),男,博士研究生,主要从事流体动力润滑研究,E-mail:wangqy0808@stu.xjtu.edu.cn。
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Schematic of oil-gas two‑phase sealing structure, figureFileSmall=lVECnnyAdKLTs7c38k7oyQ==, figureFileBig=ueIgRHiCM2qec1lm45vSAg==, tableContent=null), ArticleFig(id=1320037483740512475, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图1, caption=
油气两相密封结构示意, figureFileSmall=lVECnnyAdKLTs7c38k7oyQ==, figureFileBig=ueIgRHiCM2qec1lm45vSAg==, tableContent=null), ArticleFig(id=1320037483929256156, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.2, caption=
Rotating ring end groove structure, figureFileSmall=NO32yaRPFcu54X/lQ2WBJA==, figureFileBig=IPciLqLzTiwcjvnkMm8lrQ==, tableContent=null), ArticleFig(id=1320037484021530845, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图2, caption=
动环端面槽型结构, figureFileSmall=NO32yaRPFcu54X/lQ2WBJA==, figureFileBig=IPciLqLzTiwcjvnkMm8lrQ==, tableContent=null), ArticleFig(id=1320037484092834014, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.3, caption=
Dynamics model, figureFileSmall=CdhbLqHOK4Wbp2GmRwOdnQ==, figureFileBig=+la4QuEZwhC0nTJgFpWYzA==, tableContent=null), ArticleFig(id=1320037484151554271, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图3, caption=
动力学模型, figureFileSmall=CdhbLqHOK4Wbp2GmRwOdnQ==, figureFileBig=+la4QuEZwhC0nTJgFpWYzA==, tableContent=null), ArticleFig(id=1320037484222857440, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.4, caption=
Finite difference method computational grid, figureFileSmall=fORgtIpRLjM58S/WaRRAXQ==, figureFileBig=dFA7d/ftJyRBJy+1TGDIgA==, tableContent=null), ArticleFig(id=1320037484302549217, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图4, caption=
有限差分法计算网格, figureFileSmall=fORgtIpRLjM58S/WaRRAXQ==, figureFileBig=dFA7d/ftJyRBJy+1TGDIgA==, tableContent=null), ArticleFig(id=1320037484378046690, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.5, caption=
Grid independence verification, figureFileSmall=hPZUVa/7fbmkvPxiDaPYSw==, figureFileBig=ptCPoM47qHJHZLp8C3f1Ng==, tableContent=null), ArticleFig(id=1320037484474515683, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图5, caption=
网格无关性验证, figureFileSmall=hPZUVa/7fbmkvPxiDaPYSw==, figureFileBig=ptCPoM47qHJHZLp8C3f1Ng==, tableContent=null), ArticleFig(id=1320037484579373284, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.6, caption=
Film thickness response comparison, figureFileSmall=1xu1I3nyGT5VVGMLoKSw1A==, figureFileBig=DFwptLTDt6b01GOBq1R/Nw==, tableContent=null), ArticleFig(id=1320037484646482149, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图6, caption=
膜厚响应对比, figureFileSmall=1xu1I3nyGT5VVGMLoKSw1A==, figureFileBig=DFwptLTDt6b01GOBq1R/Nw==, tableContent=null), ArticleFig(id=1320037484713591014, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.7, caption=
Effect of methane dissolution on the transient response to axial disturbance, figureFileSmall=u78NIeoPL1ZDeUIjN9hakg==, figureFileBig=4kAtufgBkOaloSn3t9q7lA==, tableContent=null), ArticleFig(id=1320037484797477095, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图7, caption=
甲烷溶解对轴向扰动瞬态响应的影响(a)膜厚 (b)开启力 (c)泄漏量
, figureFileSmall=u78NIeoPL1ZDeUIjN9hakg==, figureFileBig=4kAtufgBkOaloSn3t9q7lA==, tableContent=null), ArticleFig(id=1320037484877168872, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.8, caption=
Axial tracking of seal ring, figureFileSmall=ovoAQefnkVZBplU+ZGKeaQ==, figureFileBig=IxOnW3EXPgTdNm9ePf1O7w==, tableContent=null), ArticleFig(id=1320037484940083433, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图8, caption=
密封环轴向追随性, figureFileSmall=ovoAQefnkVZBplU+ZGKeaQ==, figureFileBig=IxOnW3EXPgTdNm9ePf1O7w==, tableContent=null), ArticleFig(id=1320037485011386602, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.9, caption=
Seal transient response, figureFileSmall=Lgn9XgYYRIldgv3OCTTQVA==, figureFileBig=SISagtNbOTbXi21K6lEoNw==, tableContent=null), ArticleFig(id=1320037485107855595, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图9, caption=
密封瞬态响应, figureFileSmall=Lgn9XgYYRIldgv3OCTTQVA==, figureFileBig=SISagtNbOTbXi21K6lEoNw==, tableContent=null), ArticleFig(id=1320037485191741676, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.10, caption=
Angular displacement response of the stationary ring, figureFileSmall=Y7DbKlCnJVSyRfkYaSkf0Q==, figureFileBig=F5+G93T7ZaHj4WmgXL0aYw==, tableContent=null), ArticleFig(id=1320037485263044845, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图10, caption=
静环角位移响应, figureFileSmall=Y7DbKlCnJVSyRfkYaSkf0Q==, figureFileBig=F5+G93T7ZaHj4WmgXL0aYw==, tableContent=null), ArticleFig(id=1320037485351125230, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Fig.11, caption=
Seal transient response, figureFileSmall=r3ssakP1QtbHCYwXRvUkNQ==, figureFileBig=UCfzRHTuEHCMLJlurClCvw==, tableContent=null), ArticleFig(id=1320037485422428399, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=图11, caption=
密封瞬态响应, figureFileSmall=r3ssakP1QtbHCYwXRvUkNQ==, figureFileBig=UCfzRHTuEHCMLJlurClCvw==, tableContent=null), ArticleFig(id=1320037485497925872, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=EN, label=Tab.1, caption=
Computational parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 参数 | 数值 |
|---|
| 轴向阻尼系数DZ/(N⋅s⋅m-1) | 120 000 | | 螺旋角α/(°) | 20 |
| 轴向刚度系数KZ/(N⋅m-1) | 1 500 | | 槽深hg/μm | 15 |
| 弹簧比压psp/MPa | 0.02 | | 槽数Ng | 12 |
| 静环质量ms/kg | 0.5 | | 油相动力黏度μoil/(Pa⋅s) | 0.03 |
| 静环转动惯量IX,IY/(kg⋅m2) | 1.85×10-4 | | 甲烷动力黏度μgas/(Pa⋅s) | 1.106 7×10-7 |
| 动、静环初始角偏差γr,γs/mrad | 0.03 | | 空化压力pc/MPa | 0 |
| 初始位移相位ϕp | 0 | | 密封介质温度T0/K | 313.15 |
| 内半径ri、外半径ro/mm | 33,37 | | 油相密度ρoil/(kg⋅m-3) | 800 |
| 槽根半径rg/mm | 35.7 | | 甲烷密度ρgas/(kg⋅m-3) | 0.624 75 |
| 平衡半径rb/mm | 34.6 | | 外径压力po、内径压力pi/MPa | 0.4,0.1 |
| 膜厚h0/μm | 10 | | 转速n/(r⋅min-1) | 6 000 |
), ArticleFig(id=1320037485573423345, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037475867803799, language=CN, label=表1, caption=
计算参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 参数 | 数值 |
|---|
| 轴向阻尼系数DZ/(N⋅s⋅m-1) | 120 000 | | 螺旋角α/(°) | 20 |
| 轴向刚度系数KZ/(N⋅m-1) | 1 500 | | 槽深hg/μm | 15 |
| 弹簧比压psp/MPa | 0.02 | | 槽数Ng | 12 |
| 静环质量ms/kg | 0.5 | | 油相动力黏度μoil/(Pa⋅s) | 0.03 |
| 静环转动惯量IX,IY/(kg⋅m2) | 1.85×10-4 | | 甲烷动力黏度μgas/(Pa⋅s) | 1.106 7×10-7 |
| 动、静环初始角偏差γr,γs/mrad | 0.03 | | 空化压力pc/MPa | 0 |
| 初始位移相位ϕp | 0 | | 密封介质温度T0/K | 313.15 |
| 内半径ri、外半径ro/mm | 33,37 | | 油相密度ρoil/(kg⋅m-3) | 800 |
| 槽根半径rg/mm | 35.7 | | 甲烷密度ρgas/(kg⋅m-3) | 0.624 75 |
| 平衡半径rb/mm | 34.6 | | 外径压力po、内径压力pi/MPa | 0.4,0.1 |
| 膜厚h0/μm | 10 | | 转速n/(r⋅min-1) | 6 000 |
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