Article(id=1320037691656351901, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037605320802443, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.03.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1746115200000, receivedDateStr=2025-05-02, revisedDate=1764086400000, revisedDateStr=2025-11-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651110805, onlineDateStr=2026-10-22, pubDate=1774800000000, pubDateStr=2026-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651110805, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651110805, creator=13701087609, updateTime=1792651110805, updator=13701087609, issue=Issue{id=1320037605320802443, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='3', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1774800000000', pubDateStr='2026-03-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651090221, creator='13701087609', updateTime=1792656224643, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059140710454212, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037605320802443, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059140710454213, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037605320802443, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=91, endPage=98, ext={EN=ArticleExt(id=1320037691828318366, articleId=1320037691656351901, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Research and experimental validation of condition monitoring method for dry gas seal based on vibration acceleration signals, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In response to challenges in monitoring the full‑life degradation state of dry gas seals and insufficient research on vibration signals,a condition monitoring method for dry gas seals based on vibration acceleration signals is proposed.Through dynamic analysis and COMSOL simulation,the mechanism of sealing performance degradation caused by the reduction in dynamic pressure groove depth is revealed.A dry gas seal test rig is built to collect vibration acceleration data under different rotational speeds (1 000~2 500 r/min),pressures (0.15~0.25 MPa),and groove depths (8,6,4,2 μm),simulating the full‑life degradation process.A condition monitoring model based on support vector data description (SVDD) is established.This model trains hypersphere parameters using healthy data to enable online detection of degraded data.The results show that the root mean square (RMS) value of axial vibration acceleration at a groove depth of 2 μm increases significantly compared to that at 8 μm.Within a certain parameter range,the RMS value of axial vibration acceleration is positively correlated with rotational speed and negatively correlated with pressure and groove depth.The SVDD model can identify degradation trends at an early stage (groove depth of 6 μm),enabling failure warning.This study provides technical support for the intelligent monitoring and health management of dry gas seals.
, authors=Kaiyuan WANG
1, Guojuan CAI
2, Hao XIN
1, Yifan YIN
1, Qingfeng WANG
1, Yue MA
3, authorsList=Kaiyuan WANG, Guojuan CAI, Hao XIN, Yifan YIN, Qingfeng WANG, Yue MA, authorCompany=null, correspAuthors=Qingfeng WANG, 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=1320037694143574199, articleId=1320037691656351901, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=基于振动加速度信号的干气密封状态监测方法研究与试验验证, columnId=1317484300472271469, journalTitle=流体机械, columnName=应用技术, runingTitle=null, highlight=null, articleAbstract=
针对干气密封全寿命退化状态监测困难、振动信号研究不充分等问题,提出一种基于振动加速度信号的干气密封状态监测方法。通过动力学分析与COMSOL仿真,揭示动压槽深度减小导致密封性能退化的机理。搭建干气密封试验台,采集不同转速(1 000~2 500 r/min)、压力(0.15~0.25 MPa)及动压槽深度(8,6,4,2 μm)下的振动加速度数据,模拟全寿命退化过程,并建立基于支持向量数据描述(SVDD)的状态监测模型。该模型以健康数据训练超球参数,实现对退化数据的在线检测。结果表明:动压槽深度为2 μm时的轴向振动加速度有效值较8 μm时显著增大;在一定参数范围内,轴向振动加速度有效值与转速呈正相关,与压力及动压槽深度呈负相关;SVDD模型可在早期(槽深6 μm)识别退化趋势,实现失效预警。研究可为干气密封的智能监测与健康管理提供技术支撑。
, authors=王凯源
1, 蔡国娟
2, 辛昊
1, 尹一凡
1, 王庆锋
1, 马越
3, authorsList=王凯源, 蔡国娟, 辛昊, 尹一凡, 王庆锋, 马越, authorCompany=null, correspAuthors=王庆锋, authorNote=
, correspAuthorsNote=
王庆锋(1972),男,博士教授,主要从事设备状态监测与智能运维研究,通信地址:100029北京市朝阳区北三环东路15号北京化工大学诊断与自愈工程研究中心,E-mail:
Wangqf2422@163.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=BE9tgoQVyub6I/7sy9f2Aw==, magXml=V2t+a4qYNhamzqVou9Xu5w==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=99FwhsZ8E549NUQhCmbp/w==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=8QK2ocgIY9UXm2rJzO4tvQ==, mapNumber=null, fund=null)}, authors=[Author(id=1320037694684639426, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1196529034@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037694755942596, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, authorId=1320037694684639426, language=EN, stringName=Kaiyuan WANG, firstName=Kaiyuan, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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王凯源(2000),男,硕士,主要从事旋转机械健康管理研究,E-mail:1196529034@qq.com。
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2Sinopec (Tianjin) Petrochemical Co.,Ltd.,Tianjin 300271,China), AuthorCompanyExt(id=1320037694508478653, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, companyId=1320037694491701435, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2中石化(天津)石油化工有限公司,天津 300271)]), AuthorCompany(id=1320037694596559038, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, xref=3, ext=[AuthorCompanyExt(id=1320037694604947647, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, companyId=1320037694596559038, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Offshore Oil Production Plant,Shengli Oilfield Branch,China Petroleum & Chemical Corporation,Dongying 257237,China), AuthorCompanyExt(id=1320037694613336256, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, companyId=1320037694596559038, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3中国石油化工股份有限公司 胜利油田分公司 海洋采油厂,山东 东营 257237)])], figs=[ArticleFig(id=1320037696928592103, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.1, caption=
Structure diagram of dry gas seal spiral groove, figureFileSmall=Q3Ee9QeN5jsAU1aOTW1eoA==, figureFileBig=99FwhsZ8E549NUQhCmbp/w==, tableContent=null), ArticleFig(id=1320037697004089576, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图1, caption=
干气密封螺旋槽结构, figureFileSmall=Q3Ee9QeN5jsAU1aOTW1eoA==, figureFileBig=99FwhsZ8E549NUQhCmbp/w==, tableContent=null), ArticleFig(id=1320037697205416169, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.2, caption=
Simulation results of pressure distribution underdifferent dynamic pressure groove depths, figureFileSmall=C8yk7CcNhXDw7p3NRJlyHw==, figureFileBig=2YDDh+fBLZ3zbNyhJQRRFg==, tableContent=null), ArticleFig(id=1320037697272525034, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图2, caption=
不同动压槽深度下压力分布仿真结果, figureFileSmall=C8yk7CcNhXDw7p3NRJlyHw==, figureFileBig=2YDDh+fBLZ3zbNyhJQRRFg==, tableContent=null), ArticleFig(id=1320037697356411115, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.3, caption=
Simulation results of gas film stiffness under differentdynamic pressure groove depths, figureFileSmall=Eww4cmwfHEAH8sy5kF9yGw==, figureFileBig=n99DkymrLwSylPyKTnH3lw==, tableContent=null), ArticleFig(id=1320037697419325676, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图3, caption=
不同动压槽深度下气膜刚度仿真结果, figureFileSmall=Eww4cmwfHEAH8sy5kF9yGw==, figureFileBig=n99DkymrLwSylPyKTnH3lw==, tableContent=null), ArticleFig(id=1320037697494823149, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.4, caption=
Simulation results of leakage rate under differentdynamic pressure groove depths, figureFileSmall=PYJZISL2lvKY8/tkNPclcg==, figureFileBig=sOaW/m0pXcyj3aqk7ZsEag==, tableContent=null), ArticleFig(id=1320037697557737710, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图4, caption=
不同动压槽深度下泄漏量仿真结果, figureFileSmall=PYJZISL2lvKY8/tkNPclcg==, figureFileBig=sOaW/m0pXcyj3aqk7ZsEag==, tableContent=null), ArticleFig(id=1320037697616457967, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.5, caption=
Dry gas seal test rig, figureFileSmall=3Wu77yPjlQngdGE/SXsKJg==, figureFileBig=KUPM8pnng80YjS7VgzgE+Q==, tableContent=null), ArticleFig(id=1320037697675178224, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图5, caption=
干气密封试验台, figureFileSmall=3Wu77yPjlQngdGE/SXsKJg==, figureFileBig=KUPM8pnng80YjS7VgzgE+Q==, tableContent=null), ArticleFig(id=1320037697738092785, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.6, caption=
Composition of dry gas seal mechanical system, figureFileSmall=SKYlxFnGz+mbd2IS7G357A==, figureFileBig=6qcDBW3YYZenZ6nih1wTJA==, tableContent=null), ArticleFig(id=1320037697809395954, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图6, caption=
干气密封机械系统组成, figureFileSmall=SKYlxFnGz+mbd2IS7G357A==, figureFileBig=6qcDBW3YYZenZ6nih1wTJA==, tableContent=null), ArticleFig(id=1320037697872310515, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.7, caption=
Mounting method of MEMS sensor, figureFileSmall=JdEhtUPD7oW6Kun7LoZbmA==, figureFileBig=M/4gtH4HxTX68e6vcvsz5w==, tableContent=null), ArticleFig(id=1320037697972973812, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图7, caption=
MEMS传感器安装方式, figureFileSmall=JdEhtUPD7oW6Kun7LoZbmA==, figureFileBig=M/4gtH4HxTX68e6vcvsz5w==, tableContent=null), ArticleFig(id=1320037698040082677, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.8, caption=
Variation of axial vibration acceleration RMS withrotational speed under different pressures, figureFileSmall=SaagS9F+EjOy8SEYNoVPkA==, figureFileBig=tvLGWIcOT91WGBBjW/r7lA==, tableContent=null), ArticleFig(id=1320037698107191542, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图8, caption=
不同压力下轴向振动加速度有效值随转速的变化, figureFileSmall=SaagS9F+EjOy8SEYNoVPkA==, figureFileBig=tvLGWIcOT91WGBBjW/r7lA==, tableContent=null), ArticleFig(id=1320037698186883319, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.9, caption=
Variation of axial vibration acceleration RMS withpressure at different rotational speeds, figureFileSmall=2f+Arpohr5M3RoaZSNyJmg==, figureFileBig=j+3du8PlfmTht2tVwRS5fA==, tableContent=null), ArticleFig(id=1320037698249797880, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图9, caption=
不同转速下轴向振动加速度有效值随压力的变化, figureFileSmall=2f+Arpohr5M3RoaZSNyJmg==, figureFileBig=j+3du8PlfmTht2tVwRS5fA==, tableContent=null), ArticleFig(id=1320037698316906745, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.10, caption=
Characteristics of dry gas seal performance degradation, figureFileSmall=j+ZNSqmkmGdg/5pmcr3Siw==, figureFileBig=aSRGZ0gaZo/WylM6NDGRvA==, tableContent=null), ArticleFig(id=1320037698400792826, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图10, caption=
干气密封性能退化特征示意, figureFileSmall=j+ZNSqmkmGdg/5pmcr3Siw==, figureFileBig=aSRGZ0gaZo/WylM6NDGRvA==, tableContent=null), ArticleFig(id=1320037698476290299, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.11, caption=
Flowchart of dry gas seal condition monitoring model, figureFileSmall=6X/4Y/qKBU9X56Ord5F3/w==, figureFileBig=hViflM43bsZHBBTbUrLOMA==, tableContent=null), ArticleFig(id=1320037698551787772, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图11, caption=
干气密封状态监测模型流程, figureFileSmall=6X/4Y/qKBU9X56Ord5F3/w==, figureFileBig=hViflM43bsZHBBTbUrLOMA==, tableContent=null), ArticleFig(id=1320037698627285245, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Fig.12, caption=
Axial vibration condition monitoring results ofdry gas seal, figureFileSmall=tPFg+VqVdwePKvBNwYtVcg==, figureFileBig=4wpuDWnHjg6iOXtW7gVOSg==, tableContent=null), ArticleFig(id=1320037698702782718, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=CN, label=图12, caption=
干气密封轴向振动状态监测结果, figureFileSmall=tPFg+VqVdwePKvBNwYtVcg==, figureFileBig=4wpuDWnHjg6iOXtW7gVOSg==, tableContent=null), ArticleFig(id=1320037698786668799, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037691656351901, language=EN, label=Tab.1, caption=
Measured depth of dynamic pressure groove onrotating ring surface
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动环表面动压槽深度测量值
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