Article(id=1320037956056895692, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.06.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1764691200000, receivedDateStr=2025-12-03, revisedDate=1781020800000, revisedDateStr=2026-06-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651173843, onlineDateStr=2026-10-22, pubDate=1782748800000, pubDateStr=2026-06-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651173843, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651173843, creator=13701087609, updateTime=1792651173843, updator=13701087609, issue=Issue{id=1320037798686605953, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='6', pageStart='1', pageEnd='122', issueExtLink='null', onlineDate='null', pubDate='1782748800000', pubDateStr='2026-06-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651136322, creator='13701087609', updateTime=1792656254917, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059267693003413, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059267693003414, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=42, endPage=49, ext={EN=ArticleExt(id=1320037956212084941, articleId=1320037956056895692, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=A study on the drag‑reduction characteristics of a polyacrylamide solution in turbulent pipe flow based on PIV and numerical simulation, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Addressing the high‑energy‑consumption issue caused by turbulence in fluid pipeline transportation,this study introduces polyacrylamide drag‑reducing agents into the flow field.By combining numerical simulation and particle image velocimetry (PIV) experiments,the influence of the drag‑reducing agent on the turbulent drag reduction characteristics in a circular pipe is investigated,and the intrinsic relationship between the drag reduction performance and the flow field structure is revealed.After comparing three low‑Reynolds‑number k-ε models,the Lam-Bremhorst model was selected for its simulation accuracy above 96.56%.Results indicate that DRA addition thins the near‑wall boundary layer,enhancing flow performance and suppressing turbulence.In the flow rate range of 5.7~13.7 m³/h,drag reduction reaches 30%~40.9%,centerline flow velocity increased by 2.97%~2.24%,turbulence intensity decreases by 3.86%~3.81%,and near‑wall turbulent dissipation drops by 45.2%~28.6%.Mechanistic analysis shows that polyacrylamide molecules generate elastic stress in the near‑wall region.This both suppresses turbulent coherent structures and kinetic energy fluctuations,and thins the boundary layer while improving the velocity profile,thereby reducing flow resistance.The study provides a theoretical basis for understanding the near‑wall action mechanism of DRAs and for improving energy efficiency in pipeline flow.
, authors=Yang CHEN
1, 2, 3, Yunfeng LI
1, 2, Peng YANG
4, authorsList=Yang CHEN, Yunfeng LI, Peng YANG, authorCompany=null, correspAuthors=Yunfeng LI, 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=1320037959450087646, articleId=1320037956056895692, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=基于PIV与数值模拟的聚丙烯酰胺溶液圆管湍流减阻特性研究, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
针对流体管道输送领域中的湍流高耗能问题,在流场中添加聚丙烯酰胺减阻剂,并结合数值模拟和粒子图像测速(PIV)试验,研究减阻剂对圆管湍流减阻特性的影响规律,揭示减阻特性与流场结构的内在关系。通过对比3种低雷诺数k-ε湍流模型,选择Lam-Bremhorst模型作为数值模拟的湍流模型,其模拟精度高于96.56%。结果表明,加入减阻剂后会使近壁区边界层厚度减薄,显著改善管道流动性能、抑制湍流脉动强度,在流量为5.7~13.7 m3/h下,减阻率达30%~40.9%,管道轴中心流速提升2.97%~2.24%,湍流脉动强度降低3.86%~3.81%,近壁区湍流耗散率下降45.2%~28.6%。分析认为,聚丙烯酰胺分子通过在近壁区产生弹性应力,有效抑制了湍流相干结构与脉动动能,同时使近壁区边界层减薄,改善了速度分布,从而降低流动阻力。研究可为深入理解减阻剂在近壁区的作用机理及管输湍流减阻增效提供理论依据。
, authors=陈阳
1, 2, 3, 李云枫
1, 2, 杨鹏
4, authorsList=陈阳, 李云枫, 杨鹏, authorCompany=null, correspAuthors=李云枫, authorNote=
陈阳(1991),女,副教授,硕士生导师,研究方向为油气管道输送、非常规油气开采、高分子合成,通信地址:610500四川省成都市新都区新都大道8号西南石油大学油气藏地质及开发工程全国重点实验室,E-mail:doctorchenyang@qq.com。
, correspAuthorsNote=
李云枫(2001),男,硕士研究生,研究方向为油气管道输送,通信地址:610500四川省成都市新都区新都大道8号西南石油大学全国重点实验室,E-mail:
3071356112@qq.com。
, copyrightStatement=
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=fodZ2NCTvbVjDz30qAr6FQ==, magXml=/Xik7DoLaduMUogzPMAX1A==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=DqWJ6Tp33WNVzxlBsEtq8A==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=HYqkTEPBUBY5t6z00i6EIA==, mapNumber=null, fund=null)}, authors=[Author(id=1320037960070844652, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=doctorchenyang@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037960184090864, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, authorId=1320037960070844652, language=EN, stringName=Yang CHEN, firstName=Yang, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1Petroleum Engineering School,Southwest Petroleum University,Chengdu 610500,China
2State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China
3Pipeline Transportation Faculty,Ufa State Petroleum Technological University,Ufa 450062,the Republic of Bashkortostan,Russia, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320037960263782641, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, authorId=1320037960070844652, language=CN, stringName=陈阳, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1西南石油大学 石油与天然气工程学院,成都 610500
2西南石油大学 油气藏地质及开发工程全国重点实验室,成都 610500
3乌法国立石油技术大学 管道系,俄罗斯巴什基尔共和国 乌法 450062, bio={"content":"
陈阳(1991),女,副教授,硕士生导师,研究方向为油气管道输送、非常规油气开采、高分子合成,通信地址:610500四川省成都市新都区新都大道8号西南石油大学油气藏地质及开发工程全国重点实验室,E-mail:doctorchenyang@qq.com。
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陈阳(1991),女,副教授,硕士生导师,研究方向为油气管道输送、非常规油气开采、高分子合成,通信地址:610500四川省成都市新都区新都大道8号西南石油大学油气藏地质及开发工程全国重点实验室,E-mail:doctorchenyang@qq.com。
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1西南石油大学 石油与天然气工程学院,成都 610500
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Schematic of the mesh for the turbulent pipe flow model, figureFileSmall=5txKdq1ct6ha/aMYlVu6zg==, figureFileBig=DqWJ6Tp33WNVzxlBsEtq8A==, tableContent=null), ArticleFig(id=1320037961614348552, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=图1, caption=
湍流管道模型网格划分示意, figureFileSmall=5txKdq1ct6ha/aMYlVu6zg==, figureFileBig=DqWJ6Tp33WNVzxlBsEtq8A==, tableContent=null), ArticleFig(id=1320037961790509321, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=EN, label=Fig.2, caption=
Experimental apparatus and process flow of the PIV annular test loop, figureFileSmall=vlyTdVNivoAzdDs6MYCsfA==, figureFileBig=7xWirArTCoKBVkjUJlWCTQ==, tableContent=null), ArticleFig(id=1320037963468230922, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=图2, caption=
PIV环道实验装置及工艺流程, figureFileSmall=vlyTdVNivoAzdDs6MYCsfA==, figureFileBig=7xWirArTCoKBVkjUJlWCTQ==, tableContent=null), ArticleFig(id=1320037963539534091, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=EN, label=Fig.3, caption=
Comparison between PIV experimental data and simulation results, figureFileSmall=QmoRL+drPhrIxsTa7K8BtA==, figureFileBig=hONS2eaJMgMzAzHfgpuB7w==, tableContent=null), ArticleFig(id=1320037963631808780, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=图3, caption=
PIV试验数据与模型数值模拟结果对比, figureFileSmall=QmoRL+drPhrIxsTa7K8BtA==, figureFileBig=hONS2eaJMgMzAzHfgpuB7w==, tableContent=null), ArticleFig(id=1320037963698917645, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=EN, label=Fig.4, caption=
Comparison of flow fields before and after additive agent at different flow rates, figureFileSmall=vksh5NVR4gTOVDZeRIOftw==, figureFileBig=riQ+9ijpwVwoLIkXqVqVoA==, tableContent=null), ArticleFig(id=1320037963778609422, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=图4, caption=
在不同流量下加入减阻剂前后的流场对比, figureFileSmall=vksh5NVR4gTOVDZeRIOftw==, figureFileBig=riQ+9ijpwVwoLIkXqVqVoA==, tableContent=null), ArticleFig(id=1320037963854106895, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=EN, label=Fig.5, caption=
Comparison of simulated and experimental flow velocity(The x‑axis represents the radius length), figureFileSmall=YWafzzx246Mnv4bbjGe25w==, figureFileBig=Dz6R53zd1+wM+kSMfc2S+w==, tableContent=null), ArticleFig(id=1320037963917021456, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=图5, caption=
模拟与试验流速对比(x方向长度取半径), figureFileSmall=YWafzzx246Mnv4bbjGe25w==, figureFileBig=Dz6R53zd1+wM+kSMfc2S+w==, tableContent=null), ArticleFig(id=1320037963992518929, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=EN, label=Fig.6, caption=
Comparison of turbulence fluctuation intensity between deionized water and drag‑reducing agent solution (The x‑axis represents the diameter length), figureFileSmall=vU+8+epCpaJv9pBhDwModQ==, figureFileBig=SvfCNS/JW4t/7sP72Jxn8A==, tableContent=null), ArticleFig(id=1320037964068016402, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=图6, caption=
去离子水和减阻剂溶液湍流脉动强度对比(x方向长度取直径), figureFileSmall=vU+8+epCpaJv9pBhDwModQ==, figureFileBig=SvfCNS/JW4t/7sP72Jxn8A==, tableContent=null), ArticleFig(id=1320037964135125267, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=EN, label=Fig.7, caption=
Comparison of turbulent dissipation rate between deionized water and drag‑reducing agent solution (The x‑axis represents the diameter length), figureFileSmall=YaTd5YGP0DZfUIq1iVqMdg==, figureFileBig=ntdxJno3v8TjQK/8EcsnuQ==, tableContent=null), ArticleFig(id=1320037964198039828, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=图7, caption=
去离子水和减阻剂溶液模拟湍流耗散率对比(x方向长度取直径), figureFileSmall=YaTd5YGP0DZfUIq1iVqMdg==, figureFileBig=ntdxJno3v8TjQK/8EcsnuQ==, tableContent=null), ArticleFig(id=1320037964281925909, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=EN, label=Fig.8, caption=
Variation of drag‑reduction performance with time, figureFileSmall=X9UfTjKgDuBF8QKDA/ivfA==, figureFileBig=vju4BPphaaFq6e+7IGR+Vw==, tableContent=null), ArticleFig(id=1320037964357423382, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=图8, caption=
减阻性能随时间变化关系, figureFileSmall=X9UfTjKgDuBF8QKDA/ivfA==, figureFileBig=vju4BPphaaFq6e+7IGR+Vw==, tableContent=null), ArticleFig(id=1320037964432920855, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=EN, label=Tab.1, caption=
Meshing scheme.
, figureFileSmall=null, figureFileBig=null, tableContent=
| 划分方案 | 网格数量 | 两点压降率/% |
|---|
| 1 | 68 750 | 5.47 |
| 2 | 101 064 | 4.95 |
| 3 | 236 694 | 4.86 |
| 4 | 481 599 | 4.76 |
| 5 | 785 624 | 4.75 |
), ArticleFig(id=1320037964500029720, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=表1, caption=
网格划分方案
, figureFileSmall=null, figureFileBig=null, tableContent=
| 划分方案 | 网格数量 | 两点压降率/% |
|---|
| 1 | 68 750 | 5.47 |
| 2 | 101 064 | 4.95 |
| 3 | 236 694 | 4.86 |
| 4 | 481 599 | 4.76 |
| 5 | 785 624 | 4.75 |
), ArticleFig(id=1320037964562944281, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=EN, label=Tab.2, caption=
Boundary condition setup for the circular pipe model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 边界命名 | 边界条件类型 |
|---|
| 入口 | Inlet | 速度入口 |
| 出口 | Outlet | 压力出口 |
| 壁面 | Wall | 壁面 |
), ArticleFig(id=1320037964638441754, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037956056895692, language=CN, label=表2, caption=
圆管模型边界条件设置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 边界命名 | 边界条件类型 |
|---|
| 入口 | Inlet | 速度入口 |
| 出口 | Outlet | 压力出口 |
| 壁面 | Wall | 壁面 |
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