Article(id=1241786737937154494, tenantId=1146029695717560320, journalId=1241701559352995854, issueId=1241786727631754095, articleNumber=null, orderNo=null, doi=10.13197/j.eeed.2025.0123, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1718208000000, receivedDateStr=2024-06-13, revisedDate=1720972800000, revisedDateStr=2024-07-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1773994629606, onlineDateStr=2026-03-20, pubDate=1740672000000, pubDateStr=2025-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773994629606, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773994629606, creator=13701087609, updateTime=1773994629606, updator=13701087609, issue=Issue{id=1241786727631754095, tenantId=1146029695717560320, journalId=1241701559352995854, year='2025', volume='45', issue='1', pageStart='1', pageEnd='235', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773994627149, creator=13701087609, updateTime=1773996954801, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241796490583146988, tenantId=1146029695717560320, journalId=1241701559352995854, issueId=1241786727631754095, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241796490583146989, tenantId=1146029695717560320, journalId=1241701559352995854, issueId=1241786727631754095, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=229, endPage=235, ext={EN=ArticleExt(id=1241786738193007056, articleId=1241786737937154494, tenantId=1146029695717560320, journalId=1241701559352995854, language=EN, title=Research on the influence of circular grooves on the sealing performance stability of pipe joints under vibration condition, columnId=null, journalTitle=Earthquake Engineering and Engineering Dynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Conical pipe joints are widely used in pipeline systems of various aerospace vehicles, and the stability of their sealing performance directly impacts the reliability of the aircraft's operation. Engineering experience has shown that setting circular grooves on the conical surface can improve the stability of the sealing performance of conical pipe joints. However, there is currently a shortage of experimental data to support this viewpoint. This article takes a 74° conical pipe joint commonly used in aircraft engines as the object and demonstrates rotational bending fatigue tests that circular grooves can significantly improve the stability of the sealing performance of conical pipe joints under vibration condition. On this basis, this article verifies through finite element simulation that the edges of the annular groove can generate contact pressure concentration bands, which serve as a form of line sealing. Thus, a qualitative explanation is provided for the mechanism of improving the stability of sealing performance by the annular groove. This study provides a reference for improving the design of conical pipe joints and other forms of static sealing structures.
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锥面管接头广泛应用于各种航空航天飞行器的管路系统,其密封性能的稳定性直接影响着飞行器的工作可靠性。经验表明,在锥面上设置环形凹槽可以提升锥面管接头的密封性能稳定性,然而目前缺少证明该观点的试验数据。以航空发动机上常用的某74°锥面管接头为对象,通过旋转弯曲疲劳试验证明了环形凹槽可以显著提升振动工况下锥面管接头密封性能稳定性。在此基础上,基于有限元仿真证明了环形凹槽的边缘可以产生接触压强集中带,起到线密封的作用,从而对环形凹槽提升密封性能稳定性的机理给出了定性的解释。研究可为锥面管接头及其他形式静密封结构的改进设计提供参考。
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, authorsList=刘静, 张岭, 庞凯月, 贾铎, 王润良, 钟后顺, 丁晓宇)}, authors=[Author(id=1241802935299018777, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=Knight_1860@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241802935450013734, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802935299018777, language=EN, stringName=Jing LIU, firstName=Jing, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.Shenyang Aircraft Design and Research Institute, Shenyang 110035, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241802935601008695, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802935299018777, language=CN, stringName=刘静, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.沈阳飞机设计研究所,辽宁 沈阳 110035, bio={"content":"
刘静(1984—),女,高级工程师,主要从事飞行器环境与生命保障工程方面的研究。E-mail:Knight_1860@163.com
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刘静(1984—),女,高级工程师,主要从事飞行器环境与生命保障工程方面的研究。E-mail:Knight_1860@163.com
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1.沈阳飞机设计研究所,辽宁 沈阳 110035)])]), Author(id=1241802935718449219, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241802935831695444, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802935718449219, language=EN, stringName=Ling ZHANG, firstName=Ling, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.Xinxiang Aviation Industry(Group) Co., Ltd., Xinxiang 453000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241802935982690404, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802935718449219, language=CN, stringName=张岭, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.新乡航空工业(集团)有限公司,河南 新乡 453000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241802933474497505, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, xref=2., ext=[AuthorCompanyExt(id=1241802933482886114, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802933474497505, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.新乡航空工业(集团)有限公司,河南 新乡 453000)])]), Author(id=1241802936091742327, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241802936204988553, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802936091742327, language=EN, stringName=Kaiyue PANG, firstName=Kaiyue, middleName=null, lastName=PANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.Xinxiang Aviation Industry(Group) Co., Ltd., Xinxiang 453000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241802936360177818, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802936091742327, language=CN, stringName=庞凯月, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.新乡航空工业(集团)有限公司,河南 新乡 453000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241802933474497505, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, xref=2., ext=[AuthorCompanyExt(id=1241802933482886114, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802933474497505, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Xinxiang Aviation Industry(Group) Co., Ltd., Xinxiang 453000, China), AuthorCompanyExt(id=1241802933491274723, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802933474497505, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.新乡航空工业(集团)有限公司,河南 新乡 453000)])]), Author(id=1241802936444063914, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241802936574087354, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802936444063914, language=EN, stringName=Duo JIA, firstName=Duo, middleName=null, lastName=JIA, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.AECC Shenyang Engine Research Institution, Shenyang 110000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241802936670556357, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802936444063914, language=CN, stringName=贾铎, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.中国航发沈阳发动机研究所,辽宁 沈阳 110000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241802935038972921, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, xref=3., ext=[AuthorCompanyExt(id=1241802935051555834, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802935038972921, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.AECC Shenyang Engine Research Institution, Shenyang 110000, China), AuthorCompanyExt(id=1241802935059944446, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802935038972921, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.中国航发沈阳发动机研究所,辽宁 沈阳 110000)])]), Author(id=1241802936913826019, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241802937060626683, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802936913826019, language=EN, stringName=Runliang WANG, firstName=Runliang, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241802937173872904, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802936913826019, language=CN, stringName=王润良, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.北京理工大学 机械与车辆学院,北京 100081, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241802935173189643, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, xref=4., ext=[AuthorCompanyExt(id=1241802935181578250, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802935173189643, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China), AuthorCompanyExt(id=1241802935189966860, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802935173189643, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.北京理工大学 机械与车辆学院,北京 100081)])]), Author(id=1241802937278730522, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, orderNo=5, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241802937396171049, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802937278730522, language=EN, stringName=Houshun ZHONG, firstName=Houshun, middleName=null, lastName=ZHONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241802937526194487, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802937278730522, language=CN, stringName=钟后顺, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.北京理工大学 机械与车辆学院,北京 100081, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241802935173189643, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, xref=4., ext=[AuthorCompanyExt(id=1241802935181578250, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802935173189643, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China), AuthorCompanyExt(id=1241802935189966860, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802935173189643, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.北京理工大学 机械与车辆学院,北京 100081)])]), Author(id=1241802937643635014, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, orderNo=6, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xiaoyu.ding@bit.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241802937748492629, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802937643635014, language=EN, stringName=Xiaoyu DING, firstName=Xiaoyu, middleName=null, lastName=DING, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241802937903681895, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, authorId=1241802937643635014, language=CN, stringName=丁晓宇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.北京理工大学 机械与车辆学院,北京 100081, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241802935173189643, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, xref=4., ext=[AuthorCompanyExt(id=1241802935181578250, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, companyId=1241802935173189643, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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锥面区域二维轴对称网格模型, figureFileSmall=H8wjrQAI+1aJxhDtFhY/tg==, figureFileBig=SYOvfAaeBcCFIGrLZ+4fZg==, tableContent=null), ArticleFig(id=1241802944035754703, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, language=EN, label=Fig. 7, caption=
Distribution of the contact pressure at the sealing interface along the conical bus, figureFileSmall=oMit7wAQHHZ2MRcqI6s59w==, figureFileBig=aQvIInyrb4OQBmTYVpw1Nw==, tableContent=null), ArticleFig(id=1241802944207721187, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, language=CN, label=图7, caption=
密封界面接触压强沿锥面母线的分布, figureFileSmall=oMit7wAQHHZ2MRcqI6s59w==, figureFileBig=aQvIInyrb4OQBmTYVpw1Nw==, tableContent=null), ArticleFig(id=1241802944367104755, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, language=EN, label=Table 1, caption=
Test duration when leakage occurs in samples
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样件编号 | 发生泄漏试验时长 | 发生泄漏的平均试验时长 | 样件编号 | 发生泄漏试验时长 | 发生泄漏的平均试验时长 |
|---|
| a-8-1 | 10 h 49 min | | a-12-1 | 10 h 17 min | |
| a-8-2 | 11 h 33 mm | 672±22 min | a-12-2 | 9 h 8 min | 615±66 min |
| a-8-3 | 11 h 14 min | | a-12-3 | 11 h 19 min | |
| b-8-1 | 18 h 24 min | | b-12-1 | 20 h 32 min | |
| b-8-2 | 19 h 33 min | 1099±77 min | b-12-2 | 21 h 46 min | 1245±56 min |
| b-8-3 | 16 h 59 min | | b-12-3 | 19 h 57 min | |
), ArticleFig(id=1241802944497128188, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1241786737937154494, language=CN, label=表1, caption=
各样件发生泄漏时的试验时长
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| 样件编号 | 发生泄漏试验时长 | 发生泄漏的平均试验时长 | 样件编号 | 发生泄漏试验时长 | 发生泄漏的平均试验时长 |
|---|
| a-8-1 | 10 h 49 min | | a-12-1 | 10 h 17 min | |
| a-8-2 | 11 h 33 mm | 672±22 min | a-12-2 | 9 h 8 min | 615±66 min |
| a-8-3 | 11 h 14 min | | a-12-3 | 11 h 19 min | |
| b-8-1 | 18 h 24 min | | b-12-1 | 20 h 32 min | |
| b-8-2 | 19 h 33 min | 1099±77 min | b-12-2 | 21 h 46 min | 1245±56 min |
| b-8-3 | 16 h 59 min | | b-12-3 | 19 h 57 min | |
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