Article(id=1319293557245068006, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293542573392487, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.07.004, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1732464000000, receivedDateStr=2024-11-25, revisedDate=1743004800000, revisedDateStr=2025-03-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473695335, onlineDateStr=2026-10-20, pubDate=1753804800000, pubDateStr=2025-07-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473695335, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473695335, creator=13701087609, updateTime=1792473695335, updator=13701087609, issue=Issue{id=1319293542573392487, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='7', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1753804800000', pubDateStr='2025-07-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473691838, creator='13701087609', updateTime=1792473691838, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=22, endPage=29, ext={EN=ArticleExt(id=1319293557412840167, articleId=1319293557245068006, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Experimental study on the impact of intake methods on the performance and flow field of centrifugal compressors, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To investigate the impact of intake configuration on the performance and flow field of a centrifugal compressor,characteristic tests were conducted to measure performance,while PDA and PIV techniques were employed to characterize the inlet‑duct flow.The effects of curved‑duct intake on the compressor′s pressure ratio,efficiency and inlet uniformity were analyzed.The results reveal how a 90° elbow affects both performance and flow behavior.Compared with a straight inlet,the elbow reduces the pressure ratio(-0.8 % to -2.7 %) and efficiency(-1.4% to -9.8%) at the maximum efficiency point across the tested speed range(60 000~100 000 r/min),and the deterioration grows as rotational speed increases.Especially under high‑flow conditons,the decline in pressure ratio and efficiency is more pronounced.When the speed exceeds 70 000 r/min,the circumferential static‑pressure non‑uniformity at the compressor inlet becomes pronounced;The maximum static‑pressure ratio at the 120° location rises from 1.002 8 to 1.011 5.With a straight inlet,the flow at the maximum efficiency point is nearly uniform,whereas the bent inlet generates severe inlet distortion:two counter‑rotating vortex cores appear on the radial section.The research results provide a theoretical basis for optimizing the inlet conditions of centrifugal compressors and improving their actual operating efficiency and stability in the future.
, authors=Zongwu HU
1, 2, Ning HUANG
1, Yang ZHAO
3, Jie ZHANG
1, Guanyan CHEN
1, authorsList=Zongwu HU, Ning HUANG, Yang ZHAO, Jie ZHANG, Guanyan CHEN, authorCompany=null, correspAuthors=Jie ZHANG, 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=1319293560856363770, articleId=1319293557245068006, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=进气方式对离心压气机性能及流场影响的试验研究, columnId=1317484286475883136, journalTitle=流体机械, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=
为了研究进气方式对离心压气机性能及流场的影响,试验测试了离心压气机的性能,并采用粒子动态分析仪和粒子图像测速技术测量了压气机进口管路流场,分析了弯管进气对压气机压比、效率及进气均匀性的影响。结果表明,与直管进气相比,弯管进气时压气机在不同转速(60 000~100 000 r/min)下最高效率点的压比(-0.8%~-2.7%)和效率(-1.4%~-9.8%)均下降,且随转速的增加,性能下降幅度也增大,尤其在高转速、大流量工况,压比和效率下降幅度更为显著;当转速超过70 000 r/min,弯管进气时进口管路周向静压分布的不均匀性尤为突出,其中120°位置的最大静压比从1.002 8增大至1.011 5;直管进气时压气机在最高效率点的进气较为均匀,弯管进气时进口管路出现了明显的进气不均匀现象,径向截面上形成了2个反向旋转的主流漩涡核心。研究结果可为后续优化离心压气机进气条件及提升实际运行效率与稳定性提供理论基础。
, authors=胡宗武
1, 2, 黄宁
1, 赵洋
3, 张洁
1, 陈冠言
1, authorsList=胡宗武, 黄宁, 赵洋, 张洁, 陈冠言, authorCompany=null, correspAuthors=张洁, authorNote=
, correspAuthorsNote=
张洁(1983),男,博士,教授,博士生导师,主要从事气固两相流、环境流体力学等方面的研究工作,通信地址:730000甘肃省兰州市天水南路222号兰州大学土木工程与力学学院,E-mail:
zhang-j@lzu.edu.cn。
, 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=P+86JXt1jtIXThikoxKb5w==, magXml=gkmmLIc2BwjABDHlZZbdAA==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=O5nXBN+wedVqVX0m8seSPQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=jtU5aRjTtvcEFvyOH2fW/w==, mapNumber=null, fund=null)}, authors=[Author(id=1319293633828864334, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=huzw@lut.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293633929527633, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, authorId=1319293633828864334, language=EN, stringName=Zongwu HU, firstName=Zongwu, middleName=null, lastName=HU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2School of Petrochemical Engineering,Lanzhou University of Technology,Lanzhou 730050,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1319293635590472019, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, authorId=1319293633828864334, language=CN, stringName=胡宗武, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1兰州大学 土木工程与力学学院,兰州 730000
2兰州理工大学 石油化工学院,兰州 730050, bio={"content":"
胡宗武(1989),男,博士研究生,主要研究方向为多相流冲蚀、腐蚀及防护,E-mail:huzw@lut.edu.cn。
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胡宗武(1989),男,博士研究生,主要研究方向为多相流冲蚀、腐蚀及防护,E-mail:huzw@lut.edu.cn。
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Distribution of static pressure measurement points at the inlet of the centrifugal compressor, figureFileSmall=VcHJuTc86JJmek6HpDM22Q==, figureFileBig=uZO8nHnVPP3SPSiW4JaN4w==, tableContent=null), ArticleFig(id=1319293637641486709, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=CN, label=图2, caption=
离心压气机进口静压测点分布, figureFileSmall=VcHJuTc86JJmek6HpDM22Q==, figureFileBig=uZO8nHnVPP3SPSiW4JaN4w==, tableContent=null), ArticleFig(id=1319293637704401270, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=EN, label=Fig.3, caption=
Distribution of PDA measuring points along the cross-section of the inlet pipe, figureFileSmall=qAVvLh8Je+1qW3sLtsMTQQ==, figureFileBig=0LmELuxzxm2kmuEennFAig==, tableContent=null), ArticleFig(id=1319293637767315831, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=CN, label=图3, caption=
进口管路径向截面PDA测点分布, figureFileSmall=qAVvLh8Je+1qW3sLtsMTQQ==, figureFileBig=0LmELuxzxm2kmuEennFAig==, tableContent=null), ArticleFig(id=1319293637863784824, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=EN, label=Fig.4, caption=
Performance curves of the pressurizer at different speeds with straight and elbow intakes, figureFileSmall=OPC9Znicfr+38X0dMVSkkw==, figureFileBig=DGc6Ycm2wEtn/YE/VjdMaQ==, tableContent=null), ArticleFig(id=1319293637943476601, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=CN, label=图4, caption=
直管进气和弯管进气时不同转速下压气机的性能曲线, figureFileSmall=OPC9Znicfr+38X0dMVSkkw==, figureFileBig=DGc6Ycm2wEtn/YE/VjdMaQ==, tableContent=null), ArticleFig(id=1319293638027362682, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=EN, label=Fig.5, caption=
Static pressure distribution in the inlet pipe of the compressor at different speeds with straight and elbow intakes, figureFileSmall=FwRI1AjYUUcSeAUGF2UX1w==, figureFileBig=YKSZePSfFdX4XqYCsjd86A==, tableContent=null), ArticleFig(id=1319293638086082939, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=CN, label=图5, caption=
直管进气和弯管进气时不同转速下压气机进口管路的静压分布, figureFileSmall=FwRI1AjYUUcSeAUGF2UX1w==, figureFileBig=YKSZePSfFdX4XqYCsjd86A==, tableContent=null), ArticleFig(id=1319293638157386108, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=EN, label=Fig.6, caption=
The radial cross‑sectional axial velocity vector diagram at the maximum efficiency point under different rotational speeds with straight pipe intake, figureFileSmall=1b+2RSq18D67fnM9Ks2m9A==, figureFileBig=NYxM1RuchgVavKMCGWG4WA==, tableContent=null), ArticleFig(id=1319293638224494973, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=CN, label=图6, caption=
直管进气时不同转速下最高效率点的径向截面轴向速度矢量图(a)60 000 r/min (b)80 000 r/min (c)100 000 r/min
, figureFileSmall=1b+2RSq18D67fnM9Ks2m9A==, figureFileBig=NYxM1RuchgVavKMCGWG4WA==, tableContent=null), ArticleFig(id=1319293638291603838, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=EN, label=Fig.7, caption=
The radial cross‑sectional axial velocity vector diagram at the maximum efficiency point under different rotational speeds with elbow intake, figureFileSmall=hwR3ykqyOyHi+QvKoHT2zA==, figureFileBig=Iv+kypm5H55KO8+i10nfiQ==, tableContent=null), ArticleFig(id=1319293638354518399, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=CN, label=图7, caption=
弯管进气时不同转速下最高效率点的径向截面轴向速度矢量图(a)60 000 r/min (b)80 000 r/min (c)100 000 r/min
, figureFileSmall=hwR3ykqyOyHi+QvKoHT2zA==, figureFileBig=Iv+kypm5H55KO8+i10nfiQ==, tableContent=null), ArticleFig(id=1319293638430015872, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=EN, label=Fig.8, caption=
Velocity vectors of the radial section of the inlet pipe at maximum efficiency point at different speeds with elbow intake, figureFileSmall=FKp/tCHnmT5ZH5Lzmj4fcg==, figureFileBig=0yHEijNTgxnM72XrxCHyxw==, tableContent=null), ArticleFig(id=1319293640069988737, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=CN, label=图8, caption=
弯管进气时不同转速下最高效率点进口管路径向截面速度矢量图(a)60 000 r/min (b)80 000 r/min (c)100 000 r/min
, figureFileSmall=FKp/tCHnmT5ZH5Lzmj4fcg==, figureFileBig=0yHEijNTgxnM72XrxCHyxw==, tableContent=null), ArticleFig(id=1319293640158069122, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=EN, label=Fig.9, caption=
Vortex map of the radial section of the inlet pipe at maximum efficiency point at different speeds with elbow intake, figureFileSmall=jKY6oFcYZBK196m9eL4XCg==, figureFileBig=Z3EdlTDNrZ8tbqTfQI+yoQ==, tableContent=null), ArticleFig(id=1319293640279703939, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=CN, label=图9, caption=
弯管进气时不同转速下最高效率点进口管路径向截面涡量图(a)60 000 r/min (b)80 000 r/min (c)100 000 r/min
, figureFileSmall=jKY6oFcYZBK196m9eL4XCg==, figureFileBig=Z3EdlTDNrZ8tbqTfQI+yoQ==, tableContent=null), ArticleFig(id=1319293640413921668, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=EN, label=Tab.1, caption=
The variation in pressure ratio and efficiency at the peak efficiency point under different rotational speeds with elbow intake
, figureFileSmall=null, figureFileBig=null, tableContent=
| 折合转速/(r⋅min-1) | 压比变化率/% | 效率变化率/% |
|---|
| 60 000 | -0.8 | -3.5 |
| 70 000 | -2.4 | -9.8 |
| 80 000 | -2.5 | -5.2 |
| 90 000 | -1.6 | -1.4 |
| 100 000 | -2.7 | -4.3 |
), ArticleFig(id=1319293640497807749, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293557245068006, language=CN, label=表1, caption=
弯管进气时不同转速下最高效率点压比、效率变化率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 折合转速/(r⋅min-1) | 压比变化率/% | 效率变化率/% |
|---|
| 60 000 | -0.8 | -3.5 |
| 70 000 | -2.4 | -9.8 |
| 80 000 | -2.5 | -5.2 |
| 90 000 | -1.6 | -1.4 |
| 100 000 | -2.7 | -4.3 |
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