Article(id=1208051033419387675, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1208051024368083510, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2405601, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1721836800000, receivedDateStr=2024-07-25, revisedDate=1743091200000, revisedDateStr=2025-03-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1765951410869, onlineDateStr=2025-12-17, pubDate=1751040000000, pubDateStr=2025-06-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1765951410869, onlineIssueDateStr=2025-12-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1765951410869, creator=13701087609, updateTime=1765951410869, updator=13701087609, issue=Issue{id=1208051024368083510, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='18', pageStart='7455', pageEnd='7883', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1765951408712, creator=13701087609, updateTime=1765951896766, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1208053071507198943, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1208051024368083510, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1208053071507198944, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1208051024368083510, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=7770, endPage=7777, ext={EN=ArticleExt(id=1208051034530878297, articleId=1208051033419387675, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Pulsation Characteristics Analysis of Flood Discharge and Energy Dissipation Structure Based on DES Model and VOF Method, columnId=1156262735643005297, journalTitle=Science Technology and Engineering, columnName=Papers·Hydraulic Engineering, runingTitle=null, highlight=null, articleAbstract=
Strong pulsation is one of the most important causes of damage to hydraulic structures such as stilling basins, so it is crucial to clarify the characteristics of pulsation in hydraulic structures to ensure the safe operation of the project. In this study, a fine numerical model of the hydraulic model of a stilling basin was established based on DES (detached eddy simulation) model and VOF (volume of fluid) method, and the simulation results were in good agreement with the experimental results. Based on the numerical simulation results, the distribution of pressure fluctuation, pulsating velocity, vorticity, and turbulent kinetic energy in the stilling basin were analyzed. The results show that the pressure fluctuation in the stilling basin shows a bimodal distribution along the flow direction, and the pulsation accounts for more than 10% in the flow impact area. The spanwise and streamwise velocity pulsation dominate in the stilling basin, and the vertical pulsation is weaker, while the spanwise pulsation at the centerline of the bottom floor in the collision area decreases rapidly. The streamwise and vertical vorticity on the centerline of bottom floor and surface outlet are characterized by “small time-average value and large pulsation value”, and the transverse-axis vortex caused by the drop sill has a large influence on the distribution of the spanwise vortices. The results of turbulent kinetic energy spectrum analysis show that the pulsations in the stilling basin mainly consist of a large number of low-frequency pulsations below 1 Hz, indicating that the turbulent fluctuations in the stilling basin are mainly controlled by large-scale and low-frequency vortices. The analysis helps to deepen the knowledge of the flow characteristics of flood discharge and energy dissipation structures such as stilling basins, and provides a certain reference for design and safety assessment.
, correspAuthors=Kang LIU, 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=Chun-yao HOU, Hong-yi ZHANG, Chang-hao HU, Lu-yao LIU, Kang LIU, Hui XIE, Yong-long LI, Hao-ran WANG), CN=ArticleExt(id=1208051040088330372, articleId=1208051033419387675, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=基于DES模型及VOF方法的泄洪消能结构水流脉动特性分析, columnId=1156262735810777459, journalTitle=科学技术与工程, columnName=论文·水利工程, runingTitle=null, highlight=null, articleAbstract=
强烈的水流脉动是造成消力池等水工结构损伤的重要原因之一,因此明晰水工结构中的水流脉动特性对保障工程安全运行至关重要。基于DES模型及VOF方法建立了亭子口水电站消力池水工模型的精细数值模型,模拟结果与实验结果一致性较好。基于数值模拟结果分析了消力池中压力波动、脉动流速、涡量、以及紊动能的分布变化情况。结果表明消力池中压力波动沿水流方向表现出双峰分布特点,且在水流冲击区脉动量占比超过10%;展向和流向脉动流速在消力池中占主导地位,垂向脉动较弱,在水舌碰撞区域底板中心线处的展向脉动流速迅速减小;底板中心线和表孔中心线上流向和垂向的涡量具有小时均值、大脉动值的特点,跌坎引起的横轴旋涡对展向涡量分布有较大影响。紊动能能谱分析的结果显示消力池中水流脉动主要由大量1Hz以下的低频脉动组成,表明消力池中的紊流波动主要由大尺度和低频的涡流控制。研究结果有助于加深对消力池等泄洪消能结构水流特性的认知,为其设计及安全评估提供了一定参考。
, correspAuthors=刘康, authorNote=null, correspAuthorsNote=
* 刘康(2000—),男,汉族,河南安阳人,博士研究生。研究方向:水工水力学。E-mail:liu-k21@mails.tsinghua.edu.cn。
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, authorsList=侯春尧, 张洪毅, 胡长浩, 刘璐瑶, 刘康, 谢辉, 李永龙, 王皓冉)}, authors=[Author(id=1208085583193281144, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=Hou_chunyao@ctg.com.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1208085583361053319, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085583193281144, language=EN, stringName=Chun-yao HOU, firstName=Chun-yao, middleName=null, lastName=HOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 China Yangtze Power Co., Ltd., Yichang 430074, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208085583541408403, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085583193281144, language=CN, stringName=侯春尧, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中国长江电力股份有限公司, 宜昌 443002, bio={"content":"
侯春尧(1985—),男,汉族,湖北武汉人,高级工程师。研究方向:水利水电工程管理,水工及金属结构设备管理。E-mail:Hou_chunyao@ctg.com.cn。
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侯春尧(1985—),男,汉族,湖北武汉人,高级工程师。研究方向:水利水电工程管理,水工及金属结构设备管理。E-mail:Hou_chunyao@ctg.com.cn。
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1 中国长江电力股份有限公司, 宜昌 443002)])]), Author(id=1208085583713374877, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, 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=1208085583872758442, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085583713374877, language=EN, stringName=Hong-yi ZHANG, firstName=Hong-yi, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中国长江电力股份有限公司, 宜昌 443002)])]), Author(id=1208085584145388228, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, 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=1208085584283800277, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085584145388228, language=EN, stringName=Chang-hao HU, firstName=Chang-hao, middleName=null, lastName=HU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 China Yangtze Power Co., Ltd., Yichang 430074, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208085584485126887, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085584145388228, language=CN, stringName=胡长浩, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中国长江电力股份有限公司, 宜昌 443002, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1208085582803210828, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, xref=1, ext=[AuthorCompanyExt(id=1208085582811599437, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582803210828, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 China Yangtze Power Co., Ltd., Yichang 430074, China), AuthorCompanyExt(id=1208085582824182352, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582803210828, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 中国长江电力股份有限公司, 宜昌 443002)])]), Author(id=1208085584657093371, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, 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=1208085584824865548, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085584657093371, language=EN, stringName=Lu-yao LIU, firstName=Lu-yao, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 China Yangtze Power Co., Ltd., Yichang 430074, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208085586053796643, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085584657093371, language=CN, stringName=刘璐瑶, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中国长江电力股份有限公司, 宜昌 443002, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1208085582803210828, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, xref=1, ext=[AuthorCompanyExt(id=1208085582811599437, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582803210828, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 中国长江电力股份有限公司, 宜昌 443002)])]), Author(id=1208085586188014388, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, 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=1, authorType=1, ext={EN=AuthorExt(id=1208085586318037829, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085586188014388, language=EN, stringName=Kang LIU, firstName=Kang, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208085586578084685, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085586188014388, language=CN, stringName=刘康, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 清华大学水沙科学与水利水电工程国家重点实验室, 北京 100084, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1208085582958400094, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, xref=2, ext=[AuthorCompanyExt(id=1208085582962594400, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582958400094, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China), AuthorCompanyExt(id=1208085582970983008, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582958400094, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China
3 Sichuan Energy Internet Research, Tsinghua University, Chengdu 610042, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208085586989126524, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085586708108122, language=CN, stringName=谢辉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 清华大学水沙科学与水利水电工程国家重点实验室, 北京 100084
3 清华四川能源互联网研究院, 成都 610042, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1208085582958400094, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, xref=2, ext=[AuthorCompanyExt(id=1208085582962594400, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582958400094, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China), AuthorCompanyExt(id=1208085582970983008, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582958400094, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 清华大学水沙科学与水利水电工程国家重点实验室, 北京 100084)]), AuthorCompany(id=1208085583063257701, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, xref=3, ext=[AuthorCompanyExt(id=1208085583075840616, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085583063257701, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3 清华四川能源互联网研究院, 成都 610042)])]), Author(id=1208085587098178440, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, orderNo=6, 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=1208085587224007573, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, authorId=1208085587098178440, language=EN, stringName=Yong-long LI, firstName=Yong-long, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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10.1098/rspa.1991.0075., articleTitle=The local structure of turbulence in incompressible viscous fluid for very large reynolds numbers, refAbstract=null)], funds=[Fund(id=1208085595394511313, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, awardId=Z412302022, language=CN, fundingSource=中国长江电力股份有限公司资助科研项目(Z412302022), fundOrder=null, country=null), Fund(id=1208085595562283485, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, awardId=U21A20157, language=CN, fundingSource=国家自然科学基金(U21A20157), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1208085582803210828, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, xref=1, ext=[AuthorCompanyExt(id=1208085582811599437, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582803210828, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 China Yangtze Power Co., Ltd., Yichang 430074, China), AuthorCompanyExt(id=1208085582824182352, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582803210828, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 中国长江电力股份有限公司, 宜昌 443002)]), AuthorCompany(id=1208085582958400094, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, xref=2, ext=[AuthorCompanyExt(id=1208085582962594400, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085582958400094, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 清华大学水沙科学与水利水电工程国家重点实验室, 北京 100084)]), AuthorCompany(id=1208085583063257701, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, xref=3, ext=[AuthorCompanyExt(id=1208085583075840616, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, companyId=1208085583063257701, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Location of pressure sampling points in hydraulic model of a hydropower station stilling basin, figureFileSmall=ygMh8zmLR/ghmNp7zmxeQg==, figureFileBig=Tguemu2nMCHhee/92PGDxQ==, tableContent=null), ArticleFig(id=1208085591099543728, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=图1, caption=
亭子口水电站消力池水工模型压力采样点位置, figureFileSmall=ygMh8zmLR/ghmNp7zmxeQg==, figureFileBig=Tguemu2nMCHhee/92PGDxQ==, tableContent=null), ArticleFig(id=1208085591267315904, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Fig.2, caption=
Calculation domain of numerical model of stilling basin and location of monitoring points, figureFileSmall=wAAt/M2kSAMr9/AFm5jlOA==, figureFileBig=cYsIEX77WJVZPWxN+CM7AA==, tableContent=null), ArticleFig(id=1208085591472836820, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=图2, caption=
消力池数值模型计算域及监测点位置图, figureFileSmall=wAAt/M2kSAMr9/AFm5jlOA==, figureFileBig=cYsIEX77WJVZPWxN+CM7AA==, tableContent=null), ArticleFig(id=1208085591628026087, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Fig.3, caption=
Comparison of water surface in the model experiment and numerical simulation, figureFileSmall=2BQt7/mPc3tONomitUEYYg==, figureFileBig=iS+Bt38SZDdJ9TAAJYKZAw==, tableContent=null), ArticleFig(id=1208085591779021045, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=图3, caption=
水工模型实验数据与数值模拟消力池中水面线对比, figureFileSmall=2BQt7/mPc3tONomitUEYYg==, figureFileBig=iS+Bt38SZDdJ9TAAJYKZAw==, tableContent=null), ArticleFig(id=1208085591967764741, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Fig.4, caption=
Flow field distribution at the centerline of the surface outlet of the stilling basin, figureFileSmall=e0ofl8UMbOTOugb+TO3oMw==, figureFileBig=wmpTPmpx39oSWwjrw/tv9Q==, tableContent=null), ArticleFig(id=1208085592127148305, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=图4, caption=
消力池表孔中心线处流场分布云图, figureFileSmall=e0ofl8UMbOTOugb+TO3oMw==, figureFileBig=wmpTPmpx39oSWwjrw/tv9Q==, tableContent=null), ArticleFig(id=1208085592257171747, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Fig.5, caption=
Root-mean-square distribution of pressure fluctuations on the centerline of the stilling basin bottom floor, figureFileSmall=jwdZkMTbQa2dTyGPBvxXvg==, figureFileBig=8T2uBWUZQ5r/OtIg6KKn0A==, tableContent=null), ArticleFig(id=1208085592383000882, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=图5, caption=
消力池底板中线上压力波动均方根分布情况, figureFileSmall=jwdZkMTbQa2dTyGPBvxXvg==, figureFileBig=8T2uBWUZQ5r/OtIg6KKn0A==, tableContent=null), ArticleFig(id=1208085592479469883, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Fig.6, caption=
Distribution of root-mean-square and normalized values of pulsating velocity along the centerline of the bottom floor and surface outlet, figureFileSmall=+4XgjCXKNWpYyrYXk/LVgw==, figureFileBig=r+mKKoHDyPvuQ5pJx8TfMg==, tableContent=null), ArticleFig(id=1208085592617881926, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=图6, caption=
底板中心线及表孔中心线沿程脉动流速均方根及其归一化值分布图, figureFileSmall=+4XgjCXKNWpYyrYXk/LVgw==, figureFileBig=r+mKKoHDyPvuQ5pJx8TfMg==, tableContent=null), ArticleFig(id=1208085592726933845, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Fig.7, caption=
Distribution of root-mean-square of vorticity and time-averaged vorticity along the centerline of the bottom floor and surface outlet, figureFileSmall=riO32C22VVIx0whSxuxG0g==, figureFileBig=K0Ga/6xQzSu26IpDpwBnGw==, tableContent=null), ArticleFig(id=1208085592852762979, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=图7, caption=
底板中心线及表孔中心线沿程涡量均方根及时均涡量分布图, figureFileSmall=riO32C22VVIx0whSxuxG0g==, figureFileBig=K0Ga/6xQzSu26IpDpwBnGw==, tableContent=null), ArticleFig(id=1208085592961814892, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Fig.8, caption=
Results of turbulent kinetic energy spectrum analysis for a typical monitoring point at the centerline of the bottom floor of the stilling basin (monitoring point located at y=0.32 m), figureFileSmall=H9LcwCScjSnepxsqtLe/YA==, figureFileBig=bhgeydg6fqB3uwHX747BiQ==, tableContent=null), ArticleFig(id=1208085593129587071, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=图8, caption=
消力池底板中线上典型监测点紊动能谱分析结果(监测点位于y=0.32 m), figureFileSmall=H9LcwCScjSnepxsqtLe/YA==, figureFileBig=bhgeydg6fqB3uwHX747BiQ==, tableContent=null), ArticleFig(id=1208085593255416201, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Table 1, caption=
Condition of numerical simulation
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| 上游水/m | 下游水深/m | 流量/(m3·s-1) |
| 2.68 | 0.49 | 0.97 |
), ArticleFig(id=1208085593448354200, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=表1, caption=
数值模型计算工况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 上游水/m | 下游水深/m | 流量/(m3·s-1) |
| 2.68 | 0.49 | 0.97 |
), ArticleFig(id=1208085593599349156, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Table 2, caption=
Mesh sensitivity analysis
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| 网格类型 | 网格数量/ 104 | 平均压力波动 均方根/Pa | 相对误差 (与细网格相比)/% | 平均脉动流速均方根/ (m·s-1) | 相对误差 (与细网格相比)/% | 平均涡量均方根/ s-1 | 相对误差 (与细网格相比)/% |
| 粗网格 | 106.54 | 428.02 | 15.23 | 1.18 | 19.19 | 84.37 | 16.43 |
| 中网格 | 212.82 | 376.98 | 1.49 | 0.97 | 2.02 | 85.00 | 2.15 |
| 细网格 | 363.33 | 371.45 | — | 0.99 | — | 83.21 | — |
), ArticleFig(id=1208085593754538406, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=表2, caption=
网格无关性分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格类型 | 网格数量/ 104 | 平均压力波动 均方根/Pa | 相对误差 (与细网格相比)/% | 平均脉动流速均方根/ (m·s-1) | 相对误差 (与细网格相比)/% | 平均涡量均方根/ s-1 | 相对误差 (与细网格相比)/% |
| 粗网格 | 106.54 | 428.02 | 15.23 | 1.18 | 19.19 | 84.37 | 16.43 |
| 中网格 | 212.82 | 376.98 | 1.49 | 0.97 | 2.02 | 85.00 | 2.15 |
| 细网格 | 363.33 | 371.45 | — | 0.99 | — | 83.21 | — |
), ArticleFig(id=1208085593901339058, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=EN, label=Table 3, caption=
Comparison of root-mean-square pressure between experiment and numerical simulation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | P01/Pa | P02/Pa | P03/Pa | P04/Pa | P05/Pa | P06/Pa | 泄流量/(m3·s-1) |
| 水工模型 | 1 033.8 | 633.8 | 333.8 | 345.1 | 304.81 | 833.80 | 0.97 |
| 数值模拟 | 1 078.0 | 647.9 | 319.3 | 361.2 | 289.48 | 876.66 | 0.96 |
| 相对误差/% | 4.28 | 2.22 | 4.36 | 4.65 | 5.03 | 5.14 | 1.03 |
), ArticleFig(id=1208085595058966965, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033419387675, language=CN, label=表3, caption=
水工模型实验数据与数值模拟消力池中压力波动均方根对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | P01/Pa | P02/Pa | P03/Pa | P04/Pa | P05/Pa | P06/Pa | 泄流量/(m3·s-1) |
| 水工模型 | 1 033.8 | 633.8 | 333.8 | 345.1 | 304.81 | 833.80 | 0.97 |
| 数值模拟 | 1 078.0 | 647.9 | 319.3 | 361.2 | 289.48 | 876.66 | 0.96 |
| 相对误差/% | 4.28 | 2.22 | 4.36 | 4.65 | 5.03 | 5.14 | 1.03 |
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