Article(id=1319293077940978619, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293032650887902, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.03.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1726416000000, receivedDateStr=2024-09-16, revisedDate=1739376000000, revisedDateStr=2025-02-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473581060, onlineDateStr=2026-10-20, pubDate=1743264000000, pubDateStr=2025-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473581060, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473581060, creator=13701087609, updateTime=1792473581060, updator=13701087609, issue=Issue{id=1319293032650887902, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='3', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1743264000000', pubDateStr='2025-03-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473570263, creator='13701087609', updateTime=1792473570263, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=69, endPage=78, ext={EN=ArticleExt(id=1319293078234579900, articleId=1319293077940978619, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Heat-fluid-solid coupling analysis of ultra‑high speed micro‑textured spiral groove dry gas seal, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
This study investigates the influence of axial deformation on the sealing performance of ultra‑high speed dry gas seals under combined mechanical and thermal loads.A 3D geometric solid domain model and fluid domain model were established,incorporating complex effects such as real gas behavior and turbulence. The axial deformation patterns of the rotating and stationary rings,as well as their impact on sealing performance,were analyzed under extreme operating conditions (rotational speed n=40 000 r/min,inlet pressure Pi=8~14 MPa,inlet temperature Ti=373.15~493.15 K). Results show that mechanical deformation under n=40 000 r/min,Pi=11 MPa,and Ti=3373.15 K yields the maximum leakage rate (MS-DGS,4.19 g/s),while thermal deformation produces the minimum leakage (MS-DGS,1.69 g/s). The leakage rate under heat‑flow-solid coupled deformation falls between these extremes (MS-DGS,3.66 g/s). Compared to conventional S-DGS,the MS-DGS exhibits reduced axial deformation and a 1.94% lower leakage rate. These findings provide critical insights for optimizing ultra‑high speed dry gas seal design.
, authors=Genghao LIU, Xuexing DING, Junhua DING, authorsList=Genghao LIU, Xuexing DING, Junhua DING, authorCompany=null, correspAuthors=Xuexing DING, 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=1319293080583390165, articleId=1319293077940978619, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=超高速微织构螺旋槽干气密封热-流-固耦合分析, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
为探究超高速干气密封端面轴向变形对密封性能的影响规律,在考虑力载荷、热载荷作用下,建立三维几何固体域模型以及流体域模型,引入Air真实气体效应、湍流效应等多重复杂效应情形下,研究超高转速干气密封间隙流体对动、静环耦合面轴向变形规律以及变形对密封性能影响。研究表明,当n为40 000 r/min,Pi为8~14 MPa,Ti为373.15~493.15 K时工况条件下,密封环端面出现不同程度的微变形;当n为40 000 r/min,Pi为11 MPa,Ti为373.15 K时工况条件下,力变形下的泄漏率最大(MS-DGS,4.19 g/s),热变形下的泄漏率最小(MS-DGS,1.69 g/s),在热-流-固耦合变形下,泄漏率是介于力变形和热变形范围之间(MS-DGS,3.66 g/s);MS-DGS端面轴向变形较S-DGS端面轴向变形较小,且MS-DGS较S-DGS泄漏率降低1.94%。研究可为超高速干气密封的优化设计提供参考。
, authors=刘暅豪, 丁雪兴, 丁俊华, authorsList=刘暅豪, 丁雪兴, 丁俊华, authorCompany=null, correspAuthors=丁雪兴, authorNote=
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丁雪兴(1964),男,博士,教授,研究方向为流体动密封,通信地址:730050甘肃省兰州市七里河区彭家坪路36号兰州理工大学石油化工学院,E- mail:
dingxxseal@126.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=mYdswPpyAE6ooxT4h6Yz9w==, magXml=RK9LmhGC7U8h4eonznfWcw==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=8mAzh3CrPJtmJVnp732CSQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=uYDcjrD6IAJ7t7yvKUq7xA==, mapNumber=null, fund=null)}, authors=[Author(id=1319293080868602842, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=lgh1782636448@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293080944100316, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, authorId=1319293080868602842, language=EN, stringName=Genghao LIU, firstName=Genghao, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Petroleum and Chemical Engineering,Lanzhou University of Technology,Lanzhou 730050,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1319293081007014877, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, authorId=1319293080868602842, language=CN, stringName=刘暅豪, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=兰州理工大学 石油化工学院,兰州 730050, bio={"content":"
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刘暅豪(1985),男,硕士研究生,研究方向为流体动密封,E- mail:lgh1782636448@163.com。
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End face structure of micro‑textured spiral groove dry gas seal, figureFileSmall=sGegVxV0Al77lfskW13s/w==, figureFileBig=8mAzh3CrPJtmJVnp732CSQ==, tableContent=null), ArticleFig(id=1319293082609239029, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图1, caption=
微织构螺旋槽干气密封端面结构, figureFileSmall=sGegVxV0Al77lfskW13s/w==, figureFileBig=8mAzh3CrPJtmJVnp732CSQ==, tableContent=null), ArticleFig(id=1319293082865091574, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.2, caption=
Micro‑texture plane modeling schematic, figureFileSmall=ZTLwFzzA12OtTOCuervJuA==, figureFileBig=Ilr22NG4N5Q95iWeoF2I4g==, tableContent=null), ArticleFig(id=1319293082928006135, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图2, caption=
微织构平面造型示意, figureFileSmall=ZTLwFzzA12OtTOCuervJuA==, figureFileBig=Ilr22NG4N5Q95iWeoF2I4g==, tableContent=null), ArticleFig(id=1319293082990920696, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.3, caption=
Sealing 3D solid model, figureFileSmall=sBLeuWdJRWsddJ6F1nOxKg==, figureFileBig=pU//3ZR+RI46RJVDYYLlyg==, tableContent=null), ArticleFig(id=1319293083058029561, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图3, caption=
密封三维实体模型, figureFileSmall=sBLeuWdJRWsddJ6F1nOxKg==, figureFileBig=pU//3ZR+RI46RJVDYYLlyg==, tableContent=null), ArticleFig(id=1319293083133527034, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.4, caption=
Thermal and force boundary conditions of sealing ring, figureFileSmall=T/E/hyE3HLJ/3tpQGyF+Bg==, figureFileBig=mx0uuE8/SsNUuzkRDc2g5A==, tableContent=null), ArticleFig(id=1319293083200635899, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图4, caption=
密封环热、力边界条件, figureFileSmall=T/E/hyE3HLJ/3tpQGyF+Bg==, figureFileBig=mx0uuE8/SsNUuzkRDc2g5A==, tableContent=null), ArticleFig(id=1319293083267744764, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.5, caption=
Numerical calculation process of heat-fluid-solid coupling model, figureFileSmall=H1Ti9CHMDmnKu3uSkOrtUQ==, figureFileBig=zmbD29UtLyYWttwQsm28NQ==, tableContent=null), ArticleFig(id=1319293083343242237, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图5, caption=
热-流-固耦合模型数值计算流程, figureFileSmall=H1Ti9CHMDmnKu3uSkOrtUQ==, figureFileBig=zmbD29UtLyYWttwQsm28NQ==, tableContent=null), ArticleFig(id=1319293083431322622, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.6, caption=
Deformation of dynamic sealing rings with two different groove types, figureFileSmall=gEz51AQYEK5cs7BLg6q3Eg==, figureFileBig=AJs5fyIj9JxbEoO5OBCHcA==, tableContent=null), ArticleFig(id=1319293083506820095, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图6, caption=
2种不同槽型密封动环变形, figureFileSmall=gEz51AQYEK5cs7BLg6q3Eg==, figureFileBig=AJs5fyIj9JxbEoO5OBCHcA==, tableContent=null), ArticleFig(id=1319293083586511872, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.7, caption=
Deformation of two different groove static sealing rings, figureFileSmall=vUBrnRzCftB/0MQF5dAOag==, figureFileBig=jkbNme03BNz33x6nBuaRHQ==, tableContent=null), ArticleFig(id=1319293083662008320, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图7, caption=
2种不同槽型密封静环变形, figureFileSmall=vUBrnRzCftB/0MQF5dAOag==, figureFileBig=jkbNme03BNz33x6nBuaRHQ==, tableContent=null), ArticleFig(id=1319293083720728577, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.8, caption=
Maximum axial deformation of the dynamic sealing ring under different inlet pressures, figureFileSmall=NLNtFLreD5ZTdXyFF5gKIQ==, figureFileBig=0NNZvhkcscIVGlGjZuq6bg==, tableContent=null), ArticleFig(id=1319293083779448834, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图8, caption=
不同进口压力下密封动环最大轴向变形量(a)力变形 (b)热变形 (c)热-流-固耦合变形
, figureFileSmall=NLNtFLreD5ZTdXyFF5gKIQ==, figureFileBig=0NNZvhkcscIVGlGjZuq6bg==, tableContent=null), ArticleFig(id=1319293083846557699, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.9, caption=
Maximum axial deformation of the static sealing ring under different inlet pressures, figureFileSmall=g0g3cYTXnx32Ln1iLAcPRQ==, figureFileBig=gmqG8lySKPNFeBr8DsK2OA==, tableContent=null), ArticleFig(id=1319293083909472260, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图9, caption=
不同进口压力下密封静环最大轴向变形量(a)力变形 (b)热变形 (c)热-流-固耦合变形
, figureFileSmall=g0g3cYTXnx32Ln1iLAcPRQ==, figureFileBig=gmqG8lySKPNFeBr8DsK2OA==, tableContent=null), ArticleFig(id=1319293083993358341, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.10, caption=
Maximum axial deformation of the dynamic sealing ring at different inlet temperatures, figureFileSmall=aHDbC7m40oiRiue/Q2kWNA==, figureFileBig=SG/o0pwv1K4ArrPPhq2/Yw==, tableContent=null), ArticleFig(id=1319293084060467206, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图10, caption=
不同进口温度下密封动环最大轴向变形量(a)力变形 (b)热变形 (c)热-流-固耦合变形
, figureFileSmall=aHDbC7m40oiRiue/Q2kWNA==, figureFileBig=SG/o0pwv1K4ArrPPhq2/Yw==, tableContent=null), ArticleFig(id=1319293084131770375, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.11, caption=
Maximum axial deformation of the static sealing ring at different inlet temperatures, figureFileSmall=ic2xIxKq9JMQzzeXIp0r4w==, figureFileBig=o2BTIhT+5dFq688Et4JwMw==, tableContent=null), ArticleFig(id=1319293084215656456, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图11, caption=
不同进口温度下密封静环最大轴向变形量(a)力变形 (b)热变形 (c)热-流-固耦合变形
, figureFileSmall=ic2xIxKq9JMQzzeXIp0r4w==, figureFileBig=o2BTIhT+5dFq688Et4JwMw==, tableContent=null), ArticleFig(id=1319293084312125449, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Fig.12, caption=
Leakage rate under different groove deformation, figureFileSmall=lxUYHhRHL4gQYGV4D00YBg==, figureFileBig=agKRXq43I3OCW2/Dj4UsHw==, tableContent=null), ArticleFig(id=1319293084391817226, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=图12, caption=
不同槽型变形下泄漏率, figureFileSmall=lxUYHhRHL4gQYGV4D00YBg==, figureFileBig=agKRXq43I3OCW2/Dj4UsHw==, tableContent=null), ArticleFig(id=1319293084463120395, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Tab.1, caption=
Geometric parameters of micro-textured spiral groove dry gas seal
, figureFileSmall=null, figureFileBig=null, tableContent=
| 几何参数 | 数值 |
|---|
| 端面外径R0/mm | 45.5 |
| 端面内径Ri/mm | 33 |
| 槽深hg/μm | 6 |
| 微织构槽深δ/μm | 2 |
| 微织构槽宽β/mm | 3.97 |
| 槽根半径Rg/mm | 36 |
| 槽台比ζ | 21 |
| 槽数N | 12 |
| 螺旋角α/rad | 16π/180 |
| 气膜厚度h0/μm | 2.5 |
), ArticleFig(id=1319293084538617868, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=表1, caption=
微织构螺旋槽干气密封几何参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 几何参数 | 数值 |
|---|
| 端面外径R0/mm | 45.5 |
| 端面内径Ri/mm | 33 |
| 槽深hg/μm | 6 |
| 微织构槽深δ/μm | 2 |
| 微织构槽宽β/mm | 3.97 |
| 槽根半径Rg/mm | 36 |
| 槽台比ζ | 21 |
| 槽数N | 12 |
| 螺旋角α/rad | 16π/180 |
| 气膜厚度h0/μm | 2.5 |
), ArticleFig(id=1319293084618309645, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Tab.2, caption=
Sealing ring material performance parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料参数 | 数值 |
|---|
| 密度ρ/(kg∙m-3) | 3 200 |
| 弹性模量E/GPa | 457 |
| 泊松比ν | 0.15 |
| 比热容C/(J∙kg-1∙K-1) | 670 |
| 导热系数k0/(W∙m-1∙K-1) | 146 |
| 热膨胀系数αT/K-1 | 4×10-6 |
), ArticleFig(id=1319293084698001422, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=表2, caption=
密封环材料性能参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料参数 | 数值 |
|---|
| 密度ρ/(kg∙m-3) | 3 200 |
| 弹性模量E/GPa | 457 |
| 泊松比ν | 0.15 |
| 比热容C/(J∙kg-1∙K-1) | 670 |
| 导热系数k0/(W∙m-1∙K-1) | 146 |
| 热膨胀系数αT/K-1 | 4×10-6 |
), ArticleFig(id=1319293084777693199, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=EN, label=Tab.3, caption=
Working condition parameters of micro-textured spiral groove dry gas seal
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况参数 | 数值 |
|---|
| 进口压力Pi/MPa | 11 |
| 出口压力P0/MPa | 0.101 |
| 进口温度Ti/K | 393.15 |
| 转速n/(r∙min-1) | 40 000 |
), ArticleFig(id=1319293084848996368, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293077940978619, language=CN, label=表3, caption=
微织构螺旋槽干气密封工况参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况参数 | 数值 |
|---|
| 进口压力Pi/MPa | 11 |
| 出口压力P0/MPa | 0.101 |
| 进口温度Ti/K | 393.15 |
| 转速n/(r∙min-1) | 40 000 |
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