Article(id=1149729536675328707, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729526025994706, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2025.03.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1723132800000, receivedDateStr=2024-08-09, revisedDate=1729785600000, revisedDateStr=2024-10-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1752046482484, onlineDateStr=2025-07-09, pubDate=1748707200000, pubDateStr=2025-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752046482484, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752046482484, creator=13701087609, updateTime=1752046482484, updator=13701087609, issue=Issue{id=1149729526025994706, tenantId=1146029695717560320, journalId=1146123302524792850, year='2025', volume='38', issue='3', pageStart='1', pageEnd='161', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1752046479946, creator=13701087609, updateTime=1753780086246, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157000797948039291, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729526025994706, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157000797948039292, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729526025994706, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=61, endPage=70, ext={EN=ArticleExt(id=1149729536968930002, articleId=1149729536675328707, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Unsteady Aerodynamic Characteristics of Urban Trains Passing through Most Unfavorable Length Tunnels, columnId=1152669335454658940, journalTitle=Urban Rapid Rail Transit, columnName=Academic Discussion, runingTitle=null, highlight=null, articleAbstract=
This study investigates the unsteady aerodynamic characteristics of urban trains passing through most criticallength tunnels through numerical simulations. The threedimensional unsteady Reynoldsaveraged NavierStokes (RANS) equations coupled with the Renormalization Group (RNG) kɛ turbulence model were employed to analyze the aerodynamic behavior of an urban train operating at 160 km/h. The results reveal that train operation significantly modifies the flow field structure and pressure distribution within the tunnel, characterized by distinct regional patterns. These modifications are primarily attributed to two factors: the propagation and reflection of traininduced pressure waves, and the compression effect of the train body on the tunnel air. Significant differences are observed between pressure variations on the train surface and tunnel wall monitoring points. While the train surface pressure is predominantly influenced by the arrival timing of compression and expansion waves, the tunnel wall pressure exhibits more complex evolution patterns due to the combined effects of train disturbances, pressure waves, and lowpressure regions. The aerodynamic drag is mainly pressureinduced and significantly affected by both blockage effects and pressure waves. Furthermore, distinct unsteady aerodynamic responses are observed among different car bodies: the first three cars are primarily affected by entrance and exit disturbances, while the rear five cars experience additional pressure wave effects, resulting in substantial fluctuations in lateral force, rolling moment, and yawing moment.
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为探明市域列车通过最不利长度隧道的非定常气动特性,运用三维、非稳态、黏性雷诺平均(reynoldsaveraged navierstokes,RANS)方程和重整化群(renormalization group,RNG)kɛ 两方程湍流模型开展时速 160 km/h 市域列车隧道空气动力学的数值模拟研究。结果表明:列车的运行显著改变了隧道内的流场结构与压力分布,表现出明显的区域化特征。这种变化主要源于列车引发的压力波传播与反射,以及本体对隧道内空气的挤压作用。车体表面与隧道壁面测点的压力变化存在明显差异,车体表面压力主要受到压缩波和膨胀波到达时间的影响,而壁面压力则受到列车扰动、压力波以及低压区的共同作用,呈现出更复杂的演化规律。列车气动阻力以压差阻力为主,并受到阻塞效应及压力波影响。此外,不同车体在非定常气动响应上差异明显,前三辆车体在出入隧道时的气动力变化主要由隧道进出口扰动引起,而后五辆车体还受到压力波作用,导致侧力、侧滚力矩及摇头力矩等非定常气动力发生剧烈波动。
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keyword=最不利长度隧道), Keyword(id=1154050908817183289, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, orderNo=4, keyword=压力波), Keyword(id=1154050908867514938, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, orderNo=5, keyword=非定常气动特性), Keyword(id=1154050908934623803, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, orderNo=6, keyword=数值模拟)], refs=[Reference(id=1154050914047480532, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, doi=null, pmid=null, pmcid=null, year=2024, volume=37, issue=1, pageStart=1, pageEnd=9, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=韩宝明, 余怡然, 习喆, journalName=都市快轨交通, refType=null, unstructuredReference=韩宝明, 余怡然, 习喆, 等. 2023 年世界城市轨道交通运营统计与分析综述[J].
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50(3): 667-676., articleTitle=Discussion on the wake vortex structure of a high speed train by vortex identification methods, refAbstract=null)], funds=[Fund(id=1154050913862931154, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, awardId=12372049, language=CN, fundingSource=国家自然科学基金资助项目(12372049), fundOrder=null, country=null), Fund(id=1154050913925845715, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, awardId=2023RVL-T06, language=CN, fundingSource=轨道交通运载系统全国重点实验室自主课题(2023RVL-T06), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1154050905591763442, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, xref=null, ext=[AuthorCompanyExt(id=1154050905600152051, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, companyId=1154050905591763442, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=State Key Laboratory of Transit Vehicle System Southwest Jiaotong University Chengdu 610031), AuthorCompanyExt(id=1154050906820694539, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, companyId=1154050905591763442, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=西南交通大学 轨道交通运载系统全国重点实验室 成都 610031)])], figs=[ArticleFig(id=1154050910960472667, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=EN, label=Figure 1, caption=
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Grid distribution, figureFileSmall=QOmDNMQsqcUijTmmKfSnhQ==, figureFileBig=a0kxoLBV6BWxRhObG/1QQg==, tableContent=null), ArticleFig(id=1154050911287628399, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图3, caption=
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Pressure comparison among three grid types, figureFileSmall=ADN8f27JwfrF01Z0D+wiSw==, figureFileBig=Rs+brZ/nuhAXeiYnu/yx5g==, tableContent=null), ArticleFig(id=1154050911598006905, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图5, caption=
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Typical measurement locations, figureFileSmall=01ydEW2WU106j50P7j/1tQ==, figureFileBig=Vs5nvB5rBfBM8phfFPykEw==, tableContent=null), ArticleFig(id=1154050911765779073, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图6, caption=
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Velocity distribution at typical locations, figureFileSmall=qCBklX6vGbXJQfprsknsgA==, figureFileBig=VSU6GVKnP3CxFrl/2XTzJA==, tableContent=null), ArticleFig(id=1154050911883219590, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图7, caption=
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Pressure distribution at typical locations, figureFileSmall=7tNAaL7loQQXtqt6iYXvyw==, figureFileBig=i8nUxim4fNJa7vizrP2ZQA==, tableContent=null), ArticleFig(id=1154050912109712016, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图8, caption=
典型位置压力分布, figureFileSmall=7tNAaL7loQQXtqt6iYXvyw==, figureFileBig=i8nUxim4fNJa7vizrP2ZQA==, tableContent=null), ArticleFig(id=1154050912189403794, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=EN, label=Figure 9, caption=
Time history of pressure at vehicle body measurement points, figureFileSmall=Q/ujtDb0FpLomC8oHDQeWA==, figureFileBig=Cwf0y9RoldPEMwiWoqPgVA==, tableContent=null), ArticleFig(id=1154050912252318357, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图9, caption=
车体测点压力时程曲线, figureFileSmall=Q/ujtDb0FpLomC8oHDQeWA==, figureFileBig=Cwf0y9RoldPEMwiWoqPgVA==, tableContent=null), ArticleFig(id=1154050912311038614, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=EN, label=Figure 10, caption=
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压力波传播与头车侧窗压力时程曲线, figureFileSmall=xy9hh3SteBIVIBGjFsmNtw==, figureFileBig=XWVNzqtoQ7faHL+VZztOEQ==, tableContent=null), ArticleFig(id=1154050912449450649, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=EN, label=Figure 11, caption=
Time history of pressure at tunnel measurement points, figureFileSmall=26vvsdSvZjDsDmP5nI93Tw==, figureFileBig=bPB6Ci3eqqVYdvnJjM2KNw==, tableContent=null), ArticleFig(id=1154050912499782301, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图11, caption=
隧道测点压力时程曲线, figureFileSmall=26vvsdSvZjDsDmP5nI93Tw==, figureFileBig=bPB6Ci3eqqVYdvnJjM2KNw==, tableContent=null), ArticleFig(id=1154050912566891168, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=EN, label=Figure 12, caption=
Time history of pressure wave propagation and pressure variation at tunnel measurement points, figureFileSmall=hk0W5EP2SSIhGHQE1LkWrw==, figureFileBig=xuxnXKgGp+jd5uAnExFGAw==, tableContent=null), ArticleFig(id=1154050912675943075, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图12, caption=
压力波传播与隧道测点压力变化时程曲线, figureFileSmall=hk0W5EP2SSIhGHQE1LkWrw==, figureFileBig=xuxnXKgGp+jd5uAnExFGAw==, tableContent=null), ArticleFig(id=1154050912730469029, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=EN, label=Figure 13, caption=
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压力波与气动阻力, figureFileSmall=TqQCbb+u3DXIvK8Ml5s9PQ==, figureFileBig=rkN2z8aMdtkHlR8W3jqqZQ==, tableContent=null), ArticleFig(id=1154050912894046890, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=EN, label=Figure 14, caption=
Proportion of pressure drag and friction drag, figureFileSmall=x6phDK9ooZiBPdXmPokZzw==, figureFileBig=5vhsqQNBrY2/E/TM/NLDkg==, tableContent=null), ArticleFig(id=1154050912961155757, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图14, caption=
压差阻力与摩擦阻力占比, figureFileSmall=x6phDK9ooZiBPdXmPokZzw==, figureFileBig=5vhsqQNBrY2/E/TM/NLDkg==, tableContent=null), ArticleFig(id=1154050913015681713, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=EN, label=Figure 15, caption=
Time history of aerodynamic side force on vehicle body, figureFileSmall=o9cJvz9Siyrw8V5lt2pT3A==, figureFileBig=XKvNqaMfMftJTSRTIkjnIA==, tableContent=null), ArticleFig(id=1154050913074401972, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=CN, label=图15, caption=
车体气动侧力时程曲线, figureFileSmall=o9cJvz9Siyrw8V5lt2pT3A==, figureFileBig=XKvNqaMfMftJTSRTIkjnIA==, tableContent=null), ArticleFig(id=1154050913141510840, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536675328707, language=EN, label=Figure 16, caption=
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