Article(id=1320037472378139171, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037457517728337, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.01.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1749744000000, receivedDateStr=2025-06-13, revisedDate=1763136000000, revisedDateStr=2025-11-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651058525, onlineDateStr=2026-10-22, pubDate=1769702400000, pubDateStr=2026-01-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651058525, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651058525, creator=13701087609, updateTime=1792651058525, 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=16, endPage=22, ext={EN=ArticleExt(id=1320037472545911332, articleId=1320037472378139171, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Design and experimental study of magnetic fluid seal for large vertical mixed flow pump, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Aiming at the leakage problem of large vertical mixed flow pump,combined with its specific working conditions,a split type magnetic fluid sealing device was designed for easy disassembly and installation,and the magnetic field simulation of the sealing device was carried out by using the finite element analysis software.Training samples were designed using latin hypercube sampling across the range of critical structural parameters.BP neural networks and genetic algorithms(GA) were utilized to optimize these parameters.An experimental rig was constructed to conduct pressure endurance tests on the optimized seal device.
Results indicate optimal performance at a sealing gap of 0.5 mm,pole tooth width of 1.0 mm,pole tooth slot width of 4.95 mm,and pole tooth height of 4.85 mm,achieving a pressure resistance value of 0.871 MPa.This represents a 99.31% improvement over the pre‑optimization value of 0.437 MPa.At a test pressure of 0.2 MPa,the leakage rate of the sealing device was below the required 0.1 m³/h,satisfying the airtightness test criteria.Its sealing performance has thus met the technical requirements.This research provides a reference for addressing sealing challenges in large vertical mixed flow pumps.
, authors=Peng WANG
1, Weibing ZHU
1, Longfei ZHANG
2, Yuanchi XIA
1, Zhaoqiang YAN
2, Heshun WANG
1, authorsList=Peng WANG, Weibing ZHU, Longfei ZHANG, Yuanchi XIA, Zhaoqiang YAN, Heshun WANG, authorCompany=null, correspAuthors=Weibing ZHU, 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=1320037475813274169, articleId=1320037472378139171, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=大型立式混流泵磁流体密封设计及试验研究, columnId=1317484286475883136, journalTitle=流体机械, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=
针对大型立式混流泵存在的泄漏问题,结合具体工况,设计了一种便于拆装的剖分式磁流体密封装置;采用有限元分析软件对密封装置进行磁场仿真,通过拉丁超立方抽样方法在密封装置关键结构参数取值范围内设计训练样本,利用BP神经网络和遗传算法(GA)对结构参数进行寻优,并搭建实验台对优化后的密封装置进行耐压试验。结果表明:在密封间隙0.5 mm、极齿宽度1.0 mm、极齿槽宽4.95 mm、极齿高度4.85 mm时,密封装置的性能最优,其耐压值为0.871 MPa,相比优化前(0.437 MPa)提升了99.31%;在试验压力为0.2 MPa时,密封装置泄漏率低于规定的0.1 m3/h,满足气密性测试,其密封性能已达到技术要求。研究可为解决大型立式混流泵的密封问题提供参考。
, authors=王鹏
1, 朱维兵
1, 张龙飞
2, 夏远驰
1, 颜招强
2, 王和顺
1, authorsList=王鹏, 朱维兵, 张龙飞, 夏远驰, 颜招强, 王和顺, authorCompany=null, correspAuthors=朱维兵, authorNote=
, correspAuthorsNote=
朱维兵(1971),男,博士,教授,主要从事流体密封方面的研究工作,通信地址:610039四川省成都市郫都区红光大道999号西华大学机械工程学院,E-mail:
qazzwb@sohu.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=hS44gI9dp4bnj39ps6oNRA==, magXml=bseNA7s8SPR71dqLuH2AjQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=T0BiK2DOp3yBuBh2F+vIwg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=hRyPx7kD7Hfc0ikdGgxLIA==, mapNumber=null, fund=null)}, authors=[Author(id=1320037476178178625, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1463185276@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037476253676099, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, authorId=1320037476178178625, language=EN, stringName=Peng WANG, firstName=Peng, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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王鹏(2001),男,硕士研究生,主要从事流体密封方面的研究工作,E-mail:1463185276@qq.com。
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optimization of liquid hydrocarbon recovery unit based on BP neural network and genetic algorithm[J].The Chinese Journal of Process Engineering,2024,24(11):1284-1296., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1320037476006212154, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, xref=1, ext=[AuthorCompanyExt(id=1320037476014600763, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, companyId=1320037476006212154, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1School of Mechanical Engineering,Xihua University,Chengdu 610039,China), AuthorCompanyExt(id=1320037476022989372, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, companyId=1320037476006212154, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1西华大学 机械工程学院,成都 610039)]), AuthorCompany(id=1320037476085903933, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, xref=2, ext=[AuthorCompanyExt(id=1320037476094292542, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, companyId=1320037476085903933, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Zigong Zhaoqiang Sealing Products Industrial Co.,Ltd.,Zigong 643000,China), AuthorCompanyExt(id=1320037476102681151, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, companyId=1320037476085903933, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2自贡兆强密封制品实业有限公司,四川 自贡 643000)])], figs=[ArticleFig(id=1320037479705588326, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.1, caption=
Principle of magnetic fluid seal, figureFileSmall=ttRU8sutEWQXXB5moDJc7Q==, figureFileBig=T0BiK2DOp3yBuBh2F+vIwg==, tableContent=null), ArticleFig(id=1320037479768502887, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图1, caption=
磁流体密封原理示意, figureFileSmall=ttRU8sutEWQXXB5moDJc7Q==, figureFileBig=T0BiK2DOp3yBuBh2F+vIwg==, tableContent=null), ArticleFig(id=1320037479974023784, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.2, caption=
Magnetic fluid sealing device, figureFileSmall=IMxochYS116rUYoo0CKsUg==, figureFileBig=+Unc2+aclC+mkLX0Zl97mg==, tableContent=null), ArticleFig(id=1320037480049521257, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图2, caption=
磁流体密封装置, figureFileSmall=IMxochYS116rUYoo0CKsUg==, figureFileBig=+Unc2+aclC+mkLX0Zl97mg==, tableContent=null), ArticleFig(id=1320037480104047210, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.3, caption=
Split structure, figureFileSmall=0KjTLUA7lbjndAjoqwaA5w==, figureFileBig=Zm9SbldDwFky2cSFr3v8IA==, tableContent=null), ArticleFig(id=1320037480200516203, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图3, caption=
剖分结构, figureFileSmall=0KjTLUA7lbjndAjoqwaA5w==, figureFileBig=Zm9SbldDwFky2cSFr3v8IA==, tableContent=null), ArticleFig(id=1320037480267625068, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.4, caption=
Pole shoe components, figureFileSmall=4y+JHK9VwVEAIj4c7CacBw==, figureFileBig=q4FmeyMEMqgY+H9y/ItQog==, tableContent=null), ArticleFig(id=1320037480385065581, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图4, caption=
极靴组件, figureFileSmall=4y+JHK9VwVEAIj4c7CacBw==, figureFileBig=q4FmeyMEMqgY+H9y/ItQog==, tableContent=null), ArticleFig(id=1320037480456368750, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.5, caption=
Model and mesh, figureFileSmall=H50Knm/9w5tlhrO12gDS2g==, figureFileBig=Tu8rPhDy1sQYQxc5qMjG1g==, tableContent=null), ArticleFig(id=1320037480523477615, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图5, caption=
模型与网格, figureFileSmall=H50Knm/9w5tlhrO12gDS2g==, figureFileBig=Tu8rPhDy1sQYQxc5qMjG1g==, tableContent=null), ArticleFig(id=1320037480586392176, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.6, caption=
Magnetic field simulation results, figureFileSmall=hZssE6OdX/85bwMgrXevlQ==, figureFileBig=khmakReI4TFSv9cubg/2Jg==, tableContent=null), ArticleFig(id=1320037480666083953, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图6, caption=
磁场仿真结果, figureFileSmall=hZssE6OdX/85bwMgrXevlQ==, figureFileBig=khmakReI4TFSv9cubg/2Jg==, tableContent=null), ArticleFig(id=1320037480733192818, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.7, caption=
Magnetic flux density values in the sealing gap, figureFileSmall=94oTevkl9NtfUuHiDl7+Iw==, figureFileBig=qp8xd7ZRtlL9XyZlDHDaRQ==, tableContent=null), ArticleFig(id=1320037480808690291, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图7, caption=
密封间隙内磁通密度值, figureFileSmall=94oTevkl9NtfUuHiDl7+Iw==, figureFileBig=qp8xd7ZRtlL9XyZlDHDaRQ==, tableContent=null), ArticleFig(id=1320037480875799156, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.8, caption=
Linear regression chart, figureFileSmall=uZqXS8uODYssRjpmjhMTcg==, figureFileBig=ShyQ72vQ4HYbWHXuIhWdDQ==, tableContent=null), ArticleFig(id=1320037480959685237, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图8, caption=
线性回归图, figureFileSmall=uZqXS8uODYssRjpmjhMTcg==, figureFileBig=ShyQ72vQ4HYbWHXuIhWdDQ==, tableContent=null), ArticleFig(id=1320037481035182710, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.9, caption=
Fitness curve, figureFileSmall=o4/5vgiTXcOUj2JbU684Bw==, figureFileBig=AS/erAMw2SgZFGK2JYKeTg==, tableContent=null), ArticleFig(id=1320037481106485879, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图9, caption=
适应度曲线, figureFileSmall=o4/5vgiTXcOUj2JbU684Bw==, figureFileBig=AS/erAMw2SgZFGK2JYKeTg==, tableContent=null), ArticleFig(id=1320037481161011832, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Fig.10, caption=
Magnetic fluid seal test bench, figureFileSmall=9Ob5xWTKP9L0/HBIpcuHPA==, figureFileBig=PV64ggA0nWO1UtTrz5yuYQ==, tableContent=null), ArticleFig(id=1320037481228120697, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=图10, caption=
磁流体密封实验台, figureFileSmall=9Ob5xWTKP9L0/HBIpcuHPA==, figureFileBig=PV64ggA0nWO1UtTrz5yuYQ==, tableContent=null), ArticleFig(id=1320037481286840954, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Tab.1, caption=
Structure parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | | | | |
|---|
| 数值/mm | 0.8 | 3.0 | 3.5 | 3.5 |
), ArticleFig(id=1320037481366532731, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=表1, caption=
结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | | | | |
|---|
| 数值/mm | 0.8 | 3.0 | 3.5 | 3.5 |
), ArticleFig(id=1320037481463001724, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Tab.2, caption=
Structure parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | | | | |
|---|
| 数值/mm | 0.5~1.0 | 1.0~4.0 | 2.0~5.0 | 2.0~5.0 |
), ArticleFig(id=1320037481546887805, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=表2, caption=
结构参数取值范围
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | | | | |
|---|
| 数值/mm | 0.5~1.0 | 1.0~4.0 | 2.0~5.0 | 2.0~5.0 |
), ArticleFig(id=1320037481639162494, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Tab.3, caption=
Sample data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 结构参数 | 耐压值 |
|---|
| | | | |
|---|
| 1 | 0.75 | 1.76 | 3.18 | 4.39 | 0.490 |
| 2 | 0.64 | 3.49 | 2.58 | 3.79 | 0.452 |
| 3 | 0.96 | 1.47 | 4.88 | 3.90 | 0.418 |
| 4 | 0.94 | 2.28 | 3.22 | 4.34 | 0.357 |
| 5 | 0.69 | 2.05 | 4.46 | 2.18 | 0.535 |
| 6 | 0.59 | 3.07 | 2.30 | 2.32 | 0.500 |
| 7 | 0.83 | 2.99 | 3.09 | 3.29 | 0.386 |
| 8 | 0.91 | 1.60 | 4.53 | 4.13 | 0.445 |
| 9 | 0.98 | 1.84 | 4.32 | 3.98 | 0.394 |
| 10 | 0.55 | 3.22 | 2.05 | 2.19 | 0.482 |
| 11 | 0.72 | 2.98 | 4.37 | 2.37 | 0.514 |
| 12 | 0.79 | 2.80 | 4.62 | 3.28 | 0.494 |
| 13 | 0.84 | 1.37 | 3.29 | 3.72 | 0.431 |
| 14 | 0.85 | 1.31 | 2.96 | 4.83 | 0.378 |
| 15 | 0.83 | 2.35 | 3.82 | 4.60 | 0.451 |
| 16 | 0.87 | 3.65 | 4.68 | 4.78 | 0.424 |
| 17 | 0.68 | 2.69 | 4.10 | 3.57 | 0.562 |
| 18 | 0.78 | 1.04 | 3.12 | 3.60 | 0.434 |
| 19 | 0.52 | 3.99 | 2.79 | 2.87 | 0.556 |
| 20 | 0.66 | 2.81 | 3.05 | 3.52 | 0.514 |
), ArticleFig(id=1320037481718854271, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=表3, caption=
样本数据
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| 序号 | 结构参数 | 耐压值 |
|---|
| | | | |
|---|
| 1 | 0.75 | 1.76 | 3.18 | 4.39 | 0.490 |
| 2 | 0.64 | 3.49 | 2.58 | 3.79 | 0.452 |
| 3 | 0.96 | 1.47 | 4.88 | 3.90 | 0.418 |
| 4 | 0.94 | 2.28 | 3.22 | 4.34 | 0.357 |
| 5 | 0.69 | 2.05 | 4.46 | 2.18 | 0.535 |
| 6 | 0.59 | 3.07 | 2.30 | 2.32 | 0.500 |
| 7 | 0.83 | 2.99 | 3.09 | 3.29 | 0.386 |
| 8 | 0.91 | 1.60 | 4.53 | 4.13 | 0.445 |
| 9 | 0.98 | 1.84 | 4.32 | 3.98 | 0.394 |
| 10 | 0.55 | 3.22 | 2.05 | 2.19 | 0.482 |
| 11 | 0.72 | 2.98 | 4.37 | 2.37 | 0.514 |
| 12 | 0.79 | 2.80 | 4.62 | 3.28 | 0.494 |
| 13 | 0.84 | 1.37 | 3.29 | 3.72 | 0.431 |
| 14 | 0.85 | 1.31 | 2.96 | 4.83 | 0.378 |
| 15 | 0.83 | 2.35 | 3.82 | 4.60 | 0.451 |
| 16 | 0.87 | 3.65 | 4.68 | 4.78 | 0.424 |
| 17 | 0.68 | 2.69 | 4.10 | 3.57 | 0.562 |
| 18 | 0.78 | 1.04 | 3.12 | 3.60 | 0.434 |
| 19 | 0.52 | 3.99 | 2.79 | 2.87 | 0.556 |
| 20 | 0.66 | 2.81 | 3.05 | 3.52 | 0.514 |
), ArticleFig(id=1320037483379798656, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Tab.4, caption=
Data comparison
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| 参数 | /mm | /mm | /mm | /mm | |
|---|
| 原参数 | 0.8 | 3.0 | 3.5 | 3.5 | 0.437 |
| 预测 | 0.5 | 1.0 | 4.95 | 4.85 | 0.876 |
| 优化后 | 0.5 | 1.0 | 4.95 | 4.85 | 0.871 |
), ArticleFig(id=1320037483484656258, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=表4, caption=
数据对比
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| 参数 | /mm | /mm | /mm | /mm | |
|---|
| 原参数 | 0.8 | 3.0 | 3.5 | 3.5 | 0.437 |
| 预测 | 0.5 | 1.0 | 4.95 | 4.85 | 0.876 |
| 优化后 | 0.5 | 1.0 | 4.95 | 4.85 | 0.871 |
), ArticleFig(id=1320037483572736643, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=EN, label=Tab.5, caption=
Experimental data
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| 保压时间/min | 压力变化1/MPa | 压力变化2/MPa |
|---|
| 0~30 | 0.200~0.196 | 0.200~0.195 |
| 30~60 | 0.196~0.193 | 0.195~0.192 |
| 60~90 | 0.193~0.190 | 0.192~0.190 |
| 90~120 | 0.190~0.188 | 0.190~0.189 |
), ArticleFig(id=1320037483648234116, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037472378139171, language=CN, label=表5, caption=
试验数据
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| 保压时间/min | 压力变化1/MPa | 压力变化2/MPa |
|---|
| 0~30 | 0.200~0.196 | 0.200~0.195 |
| 30~60 | 0.196~0.193 | 0.195~0.192 |
| 60~90 | 0.193~0.190 | 0.192~0.190 |
| 90~120 | 0.190~0.188 | 0.190~0.189 |
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