Article(id=1149742082476130674, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149742076708962589, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2024.05.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1703433600000, receivedDateStr=2023-12-25, revisedDate=1719244800000, revisedDateStr=2024-06-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1752049473637, onlineDateStr=2025-07-09, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752049473637, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752049473637, creator=13701087609, updateTime=1752049473637, updator=13701087609, issue=Issue{id=1149742076708962589, tenantId=1146029695717560320, journalId=1146123302524792850, year='2024', volume='37', issue='5', pageStart='1', pageEnd='143', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752049472262, creator=13701087609, updateTime=1753780124752, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157000959420354689, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149742076708962589, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157000959420354690, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149742076708962589, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=116, endPage=123, ext={EN=ArticleExt(id=1149742082618737013, articleId=1149742082476130674, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Analysis of the Impact of Urban Rapid Transit Pressure on Train Airtightness Measures, columnId=1152669334582243706, journalTitle=Urban Rapid Rail Transit, columnName=Electrical and Mechanical Engineering, runingTitle=null, highlight=null, articleAbstract=
To address the issue of reduced comfort resulting from rapid aerodynamic pressure changes inside the tunnels used for urban rapid transit trains, a study was conducted on the effects of the tunnel diameter and pressurerelief schemes on incar pressure. First, pressure comfort standards were selected based on relevant regulations, and a finite element model was established, which included a train model, a tunnel model, and pressure relief measures at the tunnel entrance. Subsequently, the pressure variations inside and outside of a train were investigated for different tunnel diameters and airtightness indices. Finally, the impact of implementing buffering schemes at the tunnel entrance on the incar pressure was analyzed. The research results indicated that when the tunnel diameter increased from 6.0 m to 6.1 m, the maximum incar pressure variation decreased by approximately 4.2%, with further increases in tunnel diameter having a limited effect on reducing the pressure variation. When the airtightness index was ≤6 s, each additional second resulted in a 15–25% reduction in the maximum incar pressure variation. Additionally, when a fully enclosed sound barrier was installed at the tunnel entrance as a pressurerelief structure, the maximum incar pressure variation could be reduced by approximately 4050%. Measures can be taken to enhance the overall vehicle airtightness, such as improving the seals around the doors for the driver's cab and passenger cars, installing pressure protection valves at freshair inlets and exhaust outlets, and enhancing the seals on the vehicle body and intercarriage passageways.
, correspAuthors=Minhui 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, authorCompany=null, fund=null, authors=null, authorsList=Minhui WU, Jianchao LIU, Ge ZHANG, Luping WANG, Haibin DUAN), CN=ArticleExt(id=1149742094484423527, articleId=1149742082476130674, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=城市快速轨道交通压力波及列车气密性措施分析, columnId=1152669334955536763, journalTitle=都市快轨交通, columnName=机电工程, runingTitle=null, highlight=null, articleAbstract=
针对快速轨道交通列车在隧道内气动压力变化较快造成的舒适度降低问题,对隧道内径尺寸、泄压方案对车内压力的影响进行研究。首先根据相关规范选定压力舒适度标准,建立包含列车模型、隧道模型及隧道口泄压措施的有限元模型,然后分别对不同隧道内径、不同气密指数条件下列车内外压力的变化进行研究,最后对隧道入口设置缓冲方案对车内压力的影响进行分析。研究结果表明:当隧道内径由6.0m增加为6.1 m时,车内压力变化最大值约降低4.2%,继续增大隧道直径对减小车内外压力变化值作用有限;当气密指数≤6s时,每增加1s,车内压力变化最大值约减小 15%~25%;隧道洞口设置全封闭声屏障作为缓压结构时,车内压力变化最大值可降低约40%~50%;为提高整车气密性,可采取提高司机室/客室车门密封性、在新风口和废排风口设置启动压力保护阀以及提高车身及贯通道密封性等措施。
, correspAuthors=吴敏慧, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=gIRpaHleahwlYvh0MSlbIA==, magXml=GBWzboJcUcBivKJkcLUxGg==, pdfUrl=null, pdf=2ESP3+6MarFddcQRmg7zSQ==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=IkPws+l19uc0hYVAgTWFeg==, mapNumber=null, authorCompany=null, fund=null, authors=
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吴敏慧,女,硕士,教授级高级工程师,主要从事交通运输发展规划研究工作,378868984@qq.com
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2 北京城建设计发展集团股份有限公司 北京 100032)])])], keywords=[Keyword(id=1154000602758635653, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, orderNo=1, keyword=urban rapid transit), Keyword(id=1154000602829938822, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, orderNo=2, keyword=pressure wave), Keyword(id=1154000602892853383, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, orderNo=3, keyword=airtightness), Keyword(id=1154000602989322377, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, orderNo=4, keyword=tunnel inner diameter), Keyword(id=1154000603048042633, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, orderNo=1, keyword=城市快速轨道交通), Keyword(id=1154000603131928714, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, orderNo=2, keyword=压力波), Keyword(id=1154000603232592012, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, orderNo=3, keyword=气密性), Keyword(id=1154000603295506574, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, orderNo=4, keyword=隧道内径)], refs=[Reference(id=1154000607439478975, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, doi=null, pmid=null, pmcid=null, year=2018, volume=39, issue=5, pageStart=88, pageEnd=96, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=刘晓日, 罗江泽, 赵哲, journalName=中国铁道科学, refType=null, unstructuredReference=刘晓日, 罗江泽, 赵哲, 等. 车头长度对高速列车气动特性与声场特性影响的数值分析及降噪研究[J].
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2020. 5): 39-41., articleTitle=Research and design of air tightness of urban rail vehicle doors, refAbstract=null)], funds=[Fund(id=1154000607309455550, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, awardId=浙交发函〔2022〕69号·计划编号202220号, language=CN, fundingSource=浙江省交通运输厅科研项目(浙交发函〔2022〕69号·计划编号202220号), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1154000597943574552, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, xref=1, ext=[AuthorCompanyExt(id=1154000597951963162, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, companyId=1154000597943574552, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 杭州市公路与港航管理服务中心 杭州 311202)]), AuthorCompany(id=1154000598602080296, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, xref=2, ext=[AuthorCompanyExt(id=1154000598610468904, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, companyId=1154000598602080296, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 北京城建设计发展集团股份有限公司 北京 100032)])], figs=[ArticleFig(id=1154000604155338902, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 1, caption=
Model of tunnel and train cross-section, figureFileSmall=9NO95YPXZ/lNItV370ojrA==, figureFileBig=DgRuFtBwPAxPkeL81Tzjhw==, tableContent=null), ArticleFig(id=1154000604235030679, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 1, caption=
隧道及列车断面模型, figureFileSmall=9NO95YPXZ/lNItV370ojrA==, figureFileBig=DgRuFtBwPAxPkeL81Tzjhw==, tableContent=null), ArticleFig(id=1154000604310528152, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 2, caption=
Computational region, figureFileSmall=efWHFzuNfkq5dx/4thl/WA==, figureFileBig=tdd7LHcDxnlel+SDz71Xxw==, tableContent=null), ArticleFig(id=1154000604386025625, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 2, caption=
计算区域, figureFileSmall=efWHFzuNfkq5dx/4thl/WA==, figureFileBig=tdd7LHcDxnlel+SDz71Xxw==, tableContent=null), ArticleFig(id=1154000604444745882, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 3, caption=
Computational grid, figureFileSmall=6KOy9/HwPNyYRGTfpFjm/w==, figureFileBig=XXsJ7Sc6VPlNZWC4sz7gig==, tableContent=null), ArticleFig(id=1154000604503466139, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 3, caption=
计算网格, figureFileSmall=6KOy9/HwPNyYRGTfpFjm/w==, figureFileBig=XXsJ7Sc6VPlNZWC4sz7gig==, tableContent=null), ArticleFig(id=1154000604557992092, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 4, caption=
Pressure variation curves inside and outside the train with different airtightness indices for the leading, middle, and trailing cars $\left({D ={6.0}\mathrm{\;m}}\right)$, figureFileSmall=4d3jsihkVdqERHpoFtaPHw==, figureFileBig=PvcvMvptqiGqAMkJ7jE6yw==, tableContent=null), ArticleFig(id=1154000604625100957, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 4, caption=
头车、中间车和尾车不同气密指数下车内外压力变化曲线 $\left({D ={6.0}\mathrm{\;m}}\right)$, figureFileSmall=4d3jsihkVdqERHpoFtaPHw==, figureFileBig=PvcvMvptqiGqAMkJ7jE6yw==, tableContent=null), ArticleFig(id=1154000604696404126, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 5, caption=
Curve representing the variation in the maximum pressure in the leading car with the air tightness index, figureFileSmall=Zp+Of3Wr3hqDjNgwNWd18g==, figureFileBig=eGqm7TwGk5+FCKABmB+0FQ==, tableContent=null), ArticleFig(id=1154000604818038943, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 5, caption=
头车车内最大压力值随气密指数变化曲线, figureFileSmall=Zp+Of3Wr3hqDjNgwNWd18g==, figureFileBig=eGqm7TwGk5+FCKABmB+0FQ==, tableContent=null), ArticleFig(id=1154000604897730720, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 6, caption=
Pressure variation curves inside and outside the leading car under different airtightness indices $\left({D ={6.1}\mathrm{\;m}}\right)$, figureFileSmall=ShaPutRpPcMVGzcLUOKVzw==, figureFileBig=5sI1avLoEPxgqF4vTGrA3A==, tableContent=null), ArticleFig(id=1154000604952256673, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 6, caption=
不同气密指数下头车内外压力变化曲线 $\left({D ={6.1}\mathrm{m}}\right)$, figureFileSmall=ShaPutRpPcMVGzcLUOKVzw==, figureFileBig=5sI1avLoEPxgqF4vTGrA3A==, tableContent=null), ArticleFig(id=1154000605052919970, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 7, caption=
Pressure variation curves inside and outside the train with different airtightness indices for the leading, middle, and trailing cars $\left({D ={6.2}\mathrm{\;m}}\right)$, figureFileSmall=apFl7otLmqiYYeQy+QJYpw==, figureFileBig=wk3anyem+fZIv9fCDKerIQ==, tableContent=null), ArticleFig(id=1154000605103251619, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 7, caption=
不同气密指数下头车、中间车和尾车内外压力变化曲线 $\left({D ={6.2}\mathrm{\;m}}\right)$, figureFileSmall=apFl7otLmqiYYeQy+QJYpw==, figureFileBig=wk3anyem+fZIv9fCDKerIQ==, tableContent=null), ArticleFig(id=1154000605195526308, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 8, caption=
Fully enclosed sound barrier as a pressure buffering structure at entrance, figureFileSmall=j3EiVzqnhVtWXsqW6kkfpQ==, figureFileBig=qK2OuauuycZQwZCzLSvxDw==, tableContent=null), ArticleFig(id=1154000605291995301, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 8, caption=
洞口设置的全封闭声屏障, figureFileSmall=j3EiVzqnhVtWXsqW6kkfpQ==, figureFileBig=qK2OuauuycZQwZCzLSvxDw==, tableContent=null), ArticleFig(id=1154000605346521254, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 9, caption=
Calculation region of buffer structure at the tunnel entrance, figureFileSmall=dUCJ8YtJSJKZaSwh+RhV5g==, figureFileBig=/hZxcUrTUbLTofR+hKNhWQ==, tableContent=null), ArticleFig(id=1154000605405241511, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 9, caption=
洞口设置的缓冲结构计算域, figureFileSmall=dUCJ8YtJSJKZaSwh+RhV5g==, figureFileBig=/hZxcUrTUbLTofR+hKNhWQ==, tableContent=null), ArticleFig(id=1154000605468156072, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 10, caption=
Cross-sectional view of different segments, figureFileSmall=RqmgoFJU+3Of2871T9BzKg==, figureFileBig=9zGDFi14X7/DlFpD6Fia2g==, tableContent=null), ArticleFig(id=1154000605535264937, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 10, caption=
分段断面, figureFileSmall=RqmgoFJU+3Of2871T9BzKg==, figureFileBig=9zGDFi14X7/DlFpD6Fia2g==, tableContent=null), ArticleFig(id=1154000605585596586, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 11, caption=
Curves of pressure variation inside and outside the leading and trailing cars over time, figureFileSmall=JNYgX1cofiLE4r5oe2CtoQ==, figureFileBig=J6SG5SHxQd7y2mGl6HgzWQ==, tableContent=null), ArticleFig(id=1154000605656899755, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 11, caption=
头车和尾车车内外压力随时间的变化曲线, figureFileSmall=JNYgX1cofiLE4r5oe2CtoQ==, figureFileBig=J6SG5SHxQd7y2mGl6HgzWQ==, tableContent=null), ArticleFig(id=1154000605719814316, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 12, caption=
Door system structure diagram, figureFileSmall=69PzcnQxurxKKjuYL61OJw==, figureFileBig=D/nrN3x1p0N7Qb1QA4b8DQ==, tableContent=null), ArticleFig(id=1154000605778534573, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 12, caption=
车门系统结构, figureFileSmall=69PzcnQxurxKKjuYL61OJw==, figureFileBig=D/nrN3x1p0N7Qb1QA4b8DQ==, tableContent=null), ArticleFig(id=1154000605833060526, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Figure 13, caption=
Sealing solution for air conditioner and vehicle body installation connections, figureFileSmall=qWFHXl3w3Qg3YjwcIqnMxg==, figureFileBig=m4M0J/w1dw2GJFQGcSsvfA==, tableContent=null), ArticleFig(id=1154000605887586479, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=图 13, caption=
空调与车体安装连接处密封方案, figureFileSmall=qWFHXl3w3Qg3YjwcIqnMxg==, figureFileBig=m4M0J/w1dw2GJFQGcSsvfA==, tableContent=null), ArticleFig(id=1154000605946306736, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Table 1, caption=
Tunnel model technical parameters, figureFileSmall=null, figureFileBig=null, tableContent=
| 隧道直径/m | 隧道净空面积 | 阻塞比 |
| 6.0 | 24.95 | 0.410 |
| 6.1 | 25.87 | 0.395 |
| 6.2 | 26.81 | 0.381 |
), ArticleFig(id=1154000606105690289, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=表 1, caption=
隧道模型技术参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 隧道直径/m | 隧道净空面积 | 阻塞比 |
| 6.0 | 24.95 | 0.410 |
| 6.1 | 25.87 | 0.395 |
| 6.2 | 26.81 | 0.381 |
), ArticleFig(id=1154000606168604850, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Table 2, caption=
Maximum pressure change values for different cars under various train airtightness indices $\left({D ={6.0}}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 头车 | 1 633 | 1062 | 821 | 683 | 582 | 506 |
| 中间车 | 1 438 | 945 | 706 | 570 | 492 | 432 |
| 尾车 | 1 336 | 879 | 651 | 511 | 421 | 377 |
), ArticleFig(id=1154000606223130803, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=表 2, caption=
不同列车气密指数下的压力变化最大值 $\left({D ={6.0}}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 头车 | 1 633 | 1062 | 821 | 683 | 582 | 506 |
| 中间车 | 1 438 | 945 | 706 | 570 | 492 | 432 |
| 尾车 | 1 336 | 879 | 651 | 511 | 421 | 377 |
), ArticleFig(id=1154000606294433972, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Table 3, caption=
Maximum pressure change values for different cars under various train airtightness indices $\left({D ={6.1}\mathrm{\;m}}\right)\;\mathrm{{Pa}}/3\mathrm{\;s}$, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 头车 | 1551 | 1017 | 783 | 652 | 556 | 484 |
| 中间车 | 1 369 | 906 | 679 | 546 | 472 | 415 |
| 尾车 | 1 286 | 845 | 626 | 492 | 405 | 362 |
), ArticleFig(id=1154000606369931445, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=表 3, caption=
不同列车气密指数下的压力变化最大值 $\left({D ={6.1}\mathrm{m}}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 头车 | 1551 | 1017 | 783 | 652 | 556 | 484 |
| 中间车 | 1 369 | 906 | 679 | 546 | 472 | 415 |
| 尾车 | 1 286 | 845 | 626 | 492 | 405 | 362 |
), ArticleFig(id=1154000606487371958, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Table 4, caption=
Maximum pressure change values for different cars under various train airtightness indices $\left({D ={6.2}\mathrm{\;m}}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 头车 | 1507 | 991 | 759 | 632 | 539 | 469 |
| 中间车 | 1334 | 883 | 663 | 531 | 459 | 404 |
| 尾车 | 1268 | 834 | 619 | 486 | 401 | 353 |
), ArticleFig(id=1154000606550286519, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=表 4, caption=
不同列车气密指数下的压力变化最大值 $\left({D ={6.2}\mathrm{\;m}}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 头车 | 1507 | 991 | 759 | 632 | 539 | 469 |
| 中间车 | 1334 | 883 | 663 | 531 | 459 | 404 |
| 尾车 | 1268 | 834 | 619 | 486 | 401 | 353 |
), ArticleFig(id=1154000606676115640, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Table 5, caption=
Maximum pressure variation within $3\mathrm{\;s}$ under different train airtightness indices (with buffer structure at the tunnel entrance) $\;\mathrm{{Pa}}/3\mathrm{\;s}$, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 头车 | 1551 | 1017 | 783 | 652 | 556 | 484 |
| 尾车 | 1286 | 845 | 626 | 492 | 405 | 362 |
), ArticleFig(id=1154000606764196025, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=表 5, caption=
不同列车气密指数下 $3\mathrm{\;s}$ 内的压力变化最大值 (洞口设置缓冲结构), figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 头车 | 1551 | 1017 | 783 | 652 | 556 | 484 |
| 尾车 | 1286 | 845 | 626 | 492 | 405 | 362 |
), ArticleFig(id=1154000606831304890, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Table 6, caption=
Maximum pressure change within $3\mathrm{\;s}$ in the train interior corresponding to different train airtightness indices with and without buffer structure at the tunnel entrance $\;\mathrm{{Pa}}/3\mathrm{\;s}$, figureFileSmall=null, figureFileBig=null, tableContent=
| 缓冲 结构 | 测点 位置 | 车外 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 无 | 头车 | 1865 | 1551 | 1071 | 783 | 652 | 556 | 484 |
| 尾车 | 1466 | 1286 | 845 | 626 | 492 | 405 | 362 |
| 有 | 头车 | 964 | 779 | 531 | 424 | 357 | 311 | 277 |
| 尾车 | 804 | 653 | 459 | 358 | 300 | 265 | 238 |
), ArticleFig(id=1154000606902608059, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=表 6, caption=
洞口有无缓冲结构、不同列车气密指数对应的列车内部 $3\mathrm{\;s}$ 内的压力变化最大值, figureFileSmall=null, figureFileBig=null, tableContent=
| 缓冲 结构 | 测点 位置 | 车外 | τ=0.7 s | τ=2.0 s | τ=3 s | τ=4 s | τ=5 s | τ=6 s |
| 无 | 头车 | 1865 | 1551 | 1071 | 783 | 652 | 556 | 484 |
| 尾车 | 1466 | 1286 | 845 | 626 | 492 | 405 | 362 |
| 有 | 头车 | 964 | 779 | 531 | 424 | 357 | 311 | 277 |
| 尾车 | 804 | 653 | 459 | 358 | 300 | 265 | 238 |
), ArticleFig(id=1154000606999077052, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=EN, label=Table 7, caption=
Airtightness index of each component, figureFileSmall=null, figureFileBig=null, tableContent=
| 部件名称 | 气密性指标 |
| 整车 | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {15}\mathrm{\;s}$ (密封指数 ${15.7}\mathrm{\;s}$ ) |
| 车门 | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {210}\mathrm{\;s}$ (密封指数 ${219.7}\mathrm{\;s}$ ) |
| 空调 | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {200}\mathrm{\;s}$ (密封指数 209.2 s) |
| 车体 (含车窗) | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {28}\mathrm{\;s}$ (密封指数 ${29.2}\mathrm{\;s}$ ) |
| 贯通道 | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {100}\mathrm{\;s}$ (密封指数 ${104.6}\mathrm{\;s}$ ) |
), ArticleFig(id=1154000607061991613, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149742082476130674, language=CN, label=表 7, caption=
各部件气密性指标, figureFileSmall=null, figureFileBig=null, tableContent=
| 部件名称 | 气密性指标 |
| 整车 | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {15}\mathrm{\;s}$ (密封指数 ${15.7}\mathrm{\;s}$ ) |
| 车门 | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {210}\mathrm{\;s}$ (密封指数 ${219.7}\mathrm{\;s}$ ) |
| 空调 | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {200}\mathrm{\;s}$ (密封指数 209.2 s) |
| 车体 (含车窗) | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {28}\mathrm{\;s}$ (密封指数 ${29.2}\mathrm{\;s}$ ) |
| 贯通道 | 由 ${2600}\mathrm{\;{Pa}}$ 降至 ${1000}\mathrm{\;{Pa}}$ 的时间 $\geq {100}\mathrm{\;s}$ (密封指数 ${104.6}\mathrm{\;s}$ ) |
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