Article(id=1325529170901749804, tenantId=1146029695717560320, journalId=1205116786560364546, issueId=1325529169907704394, articleNumber=null, orderNo=null, doi=10.16236/j.cnki.nrjxb.202502021, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1710432000000, receivedDateStr=2024-03-15, revisedDate=1719849600000, revisedDateStr=2024-07-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1793960381483, onlineDateStr=2026-11-06, pubDate=1742832000000, pubDateStr=2025-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793960381483, onlineIssueDateStr=2026-11-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793960381483, creator=13701087609, updateTime=1793960381483, updator=13701087609, issue=Issue{id=1325529169907704394, tenantId=1146029695717560320, journalId=1205116786560364546, year='2025', volume='43', issue='2', pageStart='97', pageEnd='191', issueExtLink='null', onlineDate='null', pubDate='1742832000000', pubDateStr='2025-03-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793960381247, creator='13701087609', updateTime=1793960495688, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1325529650201649216, tenantId=1146029695717560320, journalId=1205116786560364546, issueId=1325529169907704394, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1325529650201649217, tenantId=1146029695717560320, journalId=1205116786560364546, issueId=1325529169907704394, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=173, endPage=182, ext={EN=ArticleExt(id=1325529171233099821, articleId=1325529170901749804, tenantId=1146029695717560320, journalId=1205116786560364546, language=EN, title=Multi-component and multi-objective coupling optimization of turbocharger centrifugal compressor, columnId=null, journalTitle=Transactions of CSICE, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Casing treatment improves the flow stability of turbocharger centrifugal compressors,but often leads to additional aerodynamic losses. Based on the optimal Latin hypercube sampling,radial basis function(RBF) neural network and gradient mutation hybrid optimization algorithm,a coupling optimization of the impeller and the casing treatment for a turbocharger centrifugal compressor was implemented by taking the efficiencies of the large-flow-rate condition,the design condition and the near-stall condition as the optimization objectives. Results show that the efficiencies of the large-flow-rate condition,the design condition and the near-stall condition are increased by 3.90%,3.02% and 1.10%,and the pressure ratios are improved by 9.28%,6.38% and 4.49%,respectively. The choke flow rate is increased by 1.13%,and the stable operating range is expanded by 0.83%. Compared with the solid casing compressor,the efficiencies of the design condition and the large-flow-rate condition are improved by 1.70% and 0.68%,respectively. The coupling optimization realizes the improvements of aerodynamic performances of the compressor in all operating conditions,and solves the problem of the traditional optimization that the aerodynamic performances of the design condition or the large-flow-rate condition decrease after introducing the casing treatment. By combining the global sensitivity analysis of the design space and the comparative analyses of the flow fields before and after optimization,the mechanisms of stability and efficiency improvements of the centrifugal compressor are obtained.
, authors=Rui Wang
1, Zhengxian Liu
1, Xiaojian Li
1, Ye Liu
2, authorsList=Rui Wang, Zhengxian Liu, Xiaojian Li, Ye Liu, authorCompany=null, correspAuthors=Xiaojian 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=1325529176887021654, articleId=1325529170901749804, tenantId=1146029695717560320, journalId=1205116786560364546, language=CN, title=增压器离心压气机多部件多目标耦合优化, columnId=null, journalTitle=内燃机学报, columnName=, runingTitle=null, highlight=null, articleAbstract=
机匣处理可实现增压器离心压气机流动扩稳,但通常会引入额外的气动损失.笔者基于最优拉丁超立方采样、径向基函数(RBF)神经网络及梯度变异混合优化算法,以大流量工况、设计工况和近失速工况的效率为优化目标,实施了增压器离心压气机叶轮-机匣处理耦合优化.优化后大流量工况、设计工况和近失速工况的效率分别提升3.90%、3.02%和1.10%,压比分别提高9.28%、6.38%和4.49%,堵塞流量增大1.13%,稳定工况范围扩大0.83%.相较于实壁机匣压气机,设计工况和大流量工况的效率分别提升1.70%和0.68%.耦合优化实现了压气机全工况范围内气动性能的提升,解决了传统优化引入机匣处理后,设计工况或大流量工况气动性能下降的问题.结合设计空间全局敏感性分析及优化前、后流场对比,得到了离心压气机扩稳增效机理.
, authors=王睿
1, 刘正先
1, 李孝检
1, 刘烨
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Geometry model of the centrifugal compressor, figureFileSmall=D4wSgZ/GKeL2mqqCdQAJxg==, figureFileBig=rk/fvpSnMsxQJ10/h34gtA==, tableContent=null), ArticleFig(id=1325529180968079484, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图1, caption=
离心压气机几何模型, figureFileSmall=D4wSgZ/GKeL2mqqCdQAJxg==, figureFileBig=rk/fvpSnMsxQJ10/h34gtA==, tableContent=null), ArticleFig(id=1325529181228126333, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.2, caption=
Performance of the centrifugal compressor under different mesh number, figureFileSmall=hSoUPiGOeBhl2TMJd7pfPA==, figureFileBig=09S9HSAlTbiYlU4GLxSB/g==, tableContent=null), ArticleFig(id=1325529181316206718, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图2, caption=
不同网格数下离心压气机的性能, figureFileSmall=hSoUPiGOeBhl2TMJd7pfPA==, figureFileBig=09S9HSAlTbiYlU4GLxSB/g==, tableContent=null), ArticleFig(id=1325529181391704191, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.3, caption=
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中等密度网格结构, figureFileSmall=ESChG+vVRf1j5UdHn6IOmg==, figureFileBig=lfjVw7LhEdLenK5TXprOfw==, tableContent=null), ArticleFig(id=1325529181584642177, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.4, caption=
Comparison of simulation and experimental results for isentropic efficiency and total pressure ratio, figureFileSmall=DCwL1/i7OO1NuUJMzWbFSQ==, figureFileBig=f+lyP10O7moKSpwKrZT0VA==, tableContent=null), ArticleFig(id=1325529181664333954, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图4, caption=
等熵效率和总压比的模拟值与试验值对比, figureFileSmall=DCwL1/i7OO1NuUJMzWbFSQ==, figureFileBig=f+lyP10O7moKSpwKrZT0VA==, tableContent=null), ArticleFig(id=1325529183375609987, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.5, caption=
Schematic of design variables of the impeller, figureFileSmall=7GKJrSlGEYLGwNdPhwP3CQ==, figureFileBig=cbZTS/tVuyL9QxDKNvnNEw==, tableContent=null), ArticleFig(id=1325529183467884676, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图5, caption=
叶轮设计变量示意, figureFileSmall=7GKJrSlGEYLGwNdPhwP3CQ==, figureFileBig=cbZTS/tVuyL9QxDKNvnNEw==, tableContent=null), ArticleFig(id=1325529183555965061, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.6, caption=
Design variables of the casing treatment, figureFileSmall=SDNUI6wNdTMTVWPZtOyyCA==, figureFileBig=pbRiur8TsYU+9JJmy5pPbw==, tableContent=null), ArticleFig(id=1325529183648239750, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图6, caption=
机匣处理设计变量, figureFileSmall=SDNUI6wNdTMTVWPZtOyyCA==, figureFileBig=pbRiur8TsYU+9JJmy5pPbw==, tableContent=null), ArticleFig(id=1325529183740514439, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.7, caption=
Structure of RBF neural network, figureFileSmall=fZk2mRaN91K+0UojhIBoAA==, figureFileBig=oYQd9ZygEXCkkBJ64XK+pw==, tableContent=null), ArticleFig(id=1325529183803429000, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图7, caption=
RBF神经网络结构, figureFileSmall=fZk2mRaN91K+0UojhIBoAA==, figureFileBig=oYQd9ZygEXCkkBJ64XK+pw==, tableContent=null), ArticleFig(id=1325529183866343561, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.8, caption=
Cross-validation results of large-flow-rate efficiency, figureFileSmall=3LbhZ1Cs3Grp2ltldTtgUg==, figureFileBig=EJojF1707ODurwr1LFCiRg==, tableContent=null), ArticleFig(id=1325529183971201162, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图8, caption=
大流量工况效率交叉验证结果, figureFileSmall=3LbhZ1Cs3Grp2ltldTtgUg==, figureFileBig=EJojF1707ODurwr1LFCiRg==, tableContent=null), ArticleFig(id=1325529184055087243, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.9, caption=
Multi-objective optimization program, figureFileSmall=41RD2Kc6JiiuXWcEMOc9Hw==, figureFileBig=tzobnKj6uInSHL1+/TrgoQ==, tableContent=null), ArticleFig(id=1325529184134779020, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图9, caption=
多目标优化进程, figureFileSmall=41RD2Kc6JiiuXWcEMOc9Hw==, figureFileBig=tzobnKj6uInSHL1+/TrgoQ==, tableContent=null), ArticleFig(id=1325529184231248013, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.10, caption=
Performance of the compressors among solid casing,baseline casing and coupling optimization, figureFileSmall=keBhYigtLxZMwXkrJdtaLw==, figureFileBig=j7yg7WmsIoLQYx31gPiUdA==, tableContent=null), ArticleFig(id=1325529184306745486, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图10, caption=
实壁机匣、基准机匣及耦合优化压气机性能, figureFileSmall=keBhYigtLxZMwXkrJdtaLw==, figureFileBig=j7yg7WmsIoLQYx31gPiUdA==, tableContent=null), ArticleFig(id=1325529184382242959, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.11, caption=
Global sensitivity analysis for the design space of the coupling optimization, figureFileSmall=MAub1L+LYgg2gfPVzM+eWg==, figureFileBig=lMWmQVneFJgeFgk+o2QiiQ==, tableContent=null), ArticleFig(id=1325529184453546128, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图11, caption=
耦合优化设计空间全局敏感性分析, figureFileSmall=MAub1L+LYgg2gfPVzM+eWg==, figureFileBig=lMWmQVneFJgeFgk+o2QiiQ==, tableContent=null), ArticleFig(id=1325529184533237905, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.12, caption=
Comparison of recirculation flow rates of the casing treatment before and after optimization, figureFileSmall=7iSkde5VacLwD5ojUDNtOQ==, figureFileBig=oyYnB8npuxJVOgCu2KP4RQ==, tableContent=null), ArticleFig(id=1325529184604541074, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图12, caption=
优化前、后机匣处理的回流量对比, figureFileSmall=7iSkde5VacLwD5ojUDNtOQ==, figureFileBig=oyYnB8npuxJVOgCu2KP4RQ==, tableContent=null), ArticleFig(id=1325529184680038547, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.13, caption=
Distribution of streamlines in impeller tip region under the near-stall condition, figureFileSmall=9ss+6q8YTcEUogc4DOxgYg==, figureFileBig=OtHomguuk19Uuln4rj/lDQ==, tableContent=null), ArticleFig(id=1325529184751341716, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图13, caption=
近失速工况下叶轮叶顶区域流线分布, figureFileSmall=9ss+6q8YTcEUogc4DOxgYg==, figureFileBig=OtHomguuk19Uuln4rj/lDQ==, tableContent=null), ArticleFig(id=1325529184826839189, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.14, caption=
Axial velocity at 98% span of the impeller under the near-stall condition, figureFileSmall=pF0nVlKbfWl/4wwnvjz6SA==, figureFileBig=2YrpYp4VIfIDtQkOBSTFQQ==, tableContent=null), ArticleFig(id=1325529184910725270, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图14, caption=
近失速工况下叶轮98%叶高处的轴向速度分布, figureFileSmall=pF0nVlKbfWl/4wwnvjz6SA==, figureFileBig=2YrpYp4VIfIDtQkOBSTFQQ==, tableContent=null), ArticleFig(id=1325529184977834135, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.15, caption=
Distribution of streamlines near the impeller tip region under the large-flow-rate condition, figureFileSmall=TsFFWecaEVYNzwfgb4+WFg==, figureFileBig=4fRkHyr2jBrzMiBJjtZZbw==, tableContent=null), ArticleFig(id=1325529185053331608, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图15, caption=
大流量工况下叶轮叶顶附近的流线分布, figureFileSmall=TsFFWecaEVYNzwfgb4+WFg==, figureFileBig=4fRkHyr2jBrzMiBJjtZZbw==, tableContent=null), ArticleFig(id=1325529185133023385, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.16, caption=
Entropy at 98% span of the impeller under the large-flow-rate condition, figureFileSmall=jTnYjpHqJWGbaGqNu0ZcZQ==, figureFileBig=c4MVvVOliajPqbjNonbe3g==, tableContent=null), ArticleFig(id=1325529185212715162, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图16, caption=
大流量工况下叶轮98%叶高处的熵, figureFileSmall=jTnYjpHqJWGbaGqNu0ZcZQ==, figureFileBig=c4MVvVOliajPqbjNonbe3g==, tableContent=null), ArticleFig(id=1325529185292406939, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.17, caption=
Distribution of meridional entropy and streamline near shroud under the design condition, figureFileSmall=yfuVBU2fYG0AtGIxP5Q9+A==, figureFileBig=o0GbquKzImCEiAlhvUqEzw==, tableContent=null), ArticleFig(id=1325529185351127196, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图17, caption=
设计工况下子午熵分布及轮盖处流线分布, figureFileSmall=yfuVBU2fYG0AtGIxP5Q9+A==, figureFileBig=o0GbquKzImCEiAlhvUqEzw==, tableContent=null), ArticleFig(id=1325529185414041757, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.18, caption=
Static pressure and meridional static pressure distribution in the cross-section of streamwise under the design condition, figureFileSmall=PkuCvNyOmt2gWWGcfngRkA==, figureFileBig=DL48kcH5eGB471qSbADeYQ==, tableContent=null), ArticleFig(id=1325529185476956318, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图18, caption=
设计工况流向横截面静压及子午静压分布, figureFileSmall=PkuCvNyOmt2gWWGcfngRkA==, figureFileBig=DL48kcH5eGB471qSbADeYQ==, tableContent=null), ArticleFig(id=1325529185539870879, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.19, caption=
Relative Mach number and entropy in the cross-section of streamwise under the design condition, figureFileSmall=+GK5iPk3jtMQlOe2GznHAA==, figureFileBig=0nWESfMJufGgwtC0QPBN1g==, tableContent=null), ArticleFig(id=1325529185611174048, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图19, caption=
设计工况下流向截面相对马赫数及熵, figureFileSmall=+GK5iPk3jtMQlOe2GznHAA==, figureFileBig=0nWESfMJufGgwtC0QPBN1g==, tableContent=null), ArticleFig(id=1325529185678282913, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Fig.20, caption=
Entropy at 98% span of the impeller under the near-stall condition, figureFileSmall=NAp0/IcVGLdN1DwHH/HUNw==, figureFileBig=X3AyLYMtFCW96+aFoY9O1A==, tableContent=null), ArticleFig(id=1325529185749586082, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=图20, caption=
近失速工况下叶轮98%叶高处熵, figureFileSmall=NAp0/IcVGLdN1DwHH/HUNw==, figureFileBig=X3AyLYMtFCW96+aFoY9O1A==, tableContent=null), ArticleFig(id=1325529185825083555, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Tab.1, caption=
Main design parameters of the centrifugal compressor
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 设计转速/(r·min-1) | 90000 |
| 设计流量/(kg·s-1) | 0.926 |
| 设计压比 | 4.817 |
| 叶轮主流叶片数 | 9 |
| 叶轮分流叶片数 | 9 |
| 叶轮叶顶间隙/mm | 0.5 |
| 叶轮出口直径/mm | 118 |
| 蜗壳入口直径/mm | 200 |
), ArticleFig(id=1325529185904775332, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=表1, caption=
离心压气机主要设计参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 设计转速/(r·min-1) | 90000 |
| 设计流量/(kg·s-1) | 0.926 |
| 设计压比 | 4.817 |
| 叶轮主流叶片数 | 9 |
| 叶轮分流叶片数 | 9 |
| 叶轮叶顶间隙/mm | 0.5 |
| 叶轮出口直径/mm | 118 |
| 蜗壳入口直径/mm | 200 |
), ArticleFig(id=1325529185988661413, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Tab.2, caption=
Value ranges of design variables for the impeller
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 下限 | 基准值 | 上限 |
|---|
| 前缘后掠角N1/(°) | 2.50 | 5.08 | 10.00 |
| 尾缘掠角N2/(°) | -5 | 0 | 30 |
| 前缘叶根包角N3/(°) | 12.04 | 17.20 | 18.92 |
| 前缘叶顶包角N4/(°) | 10.89 | 14.33 | 16.62 |
| 尾缘叶根包角N5/(°) | 49.30 | 54.69 | 55.03 |
| 尾缘叶顶包角N6/(°) | 41.27 | 44.71 | 44.81 |
| 叶片倾角N7/(°) | 7.50 | 10.71 | 17.00 |
), ArticleFig(id=1325529186064158886, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=表2, caption=
叶轮设计变量取值范围
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 下限 | 基准值 | 上限 |
|---|
| 前缘后掠角N1/(°) | 2.50 | 5.08 | 10.00 |
| 尾缘掠角N2/(°) | -5 | 0 | 30 |
| 前缘叶根包角N3/(°) | 12.04 | 17.20 | 18.92 |
| 前缘叶顶包角N4/(°) | 10.89 | 14.33 | 16.62 |
| 尾缘叶根包角N5/(°) | 49.30 | 54.69 | 55.03 |
| 尾缘叶顶包角N6/(°) | 41.27 | 44.71 | 44.81 |
| 叶片倾角N7/(°) | 7.50 | 10.71 | 17.00 |
), ArticleFig(id=1325529186173210791, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Tab.3, caption=
Value ranges of design variables for the casing treatment
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 下限 | 基准值 | 上限 |
|---|
| 空腔高度N8/mm | 18.00 | 26.84 | 30.00 |
| 回流槽轴向位置N9/mm | -73.00 | -69.63 | -59.00 |
| 回流槽入射角N10/(°) | 125 | 135 | 160 |
| 回流槽径向位置N11/mm | 48.00 | 53.05 | 58.00 |
| 回流槽空腔间距N12/mm | 1.50 | 5.47 | 6.00 |
| 抽吸槽位置N13/mm | -35.0 | -31.8 | -25.0 |
| 抽吸槽宽度N14/mm | 1.0 | 2.5 | 5.0 |
| 空腔长度N15/mm | 86 | 94 | 100 |
| 空腔上倾斜角N16/(°) | 0 | 1.5 | 3.0 |
| 空腔下倾斜角N17/(°) | 0 | 1.5 | 3.0 |
| 抽吸槽角度N18/(°) | 100 | 110 | 135 |
), ArticleFig(id=1325529187821572264, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=表3, caption=
机匣处理设计变量取值范围
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 下限 | 基准值 | 上限 |
|---|
| 空腔高度N8/mm | 18.00 | 26.84 | 30.00 |
| 回流槽轴向位置N9/mm | -73.00 | -69.63 | -59.00 |
| 回流槽入射角N10/(°) | 125 | 135 | 160 |
| 回流槽径向位置N11/mm | 48.00 | 53.05 | 58.00 |
| 回流槽空腔间距N12/mm | 1.50 | 5.47 | 6.00 |
| 抽吸槽位置N13/mm | -35.0 | -31.8 | -25.0 |
| 抽吸槽宽度N14/mm | 1.0 | 2.5 | 5.0 |
| 空腔长度N15/mm | 86 | 94 | 100 |
| 空腔上倾斜角N16/(°) | 0 | 1.5 | 3.0 |
| 空腔下倾斜角N17/(°) | 0 | 1.5 | 3.0 |
| 抽吸槽角度N18/(°) | 100 | 110 | 135 |
), ArticleFig(id=1325529187913846953, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Tab.4, caption=
Main performance indexes of the compressor before and after optimization
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 实壁机匣 | 基准机匣 | 耦合优化 | 基准机匣相对实壁 机匣增幅/% | 耦合优化相对实壁 机匣增幅/% | 耦合优化相对基准 机匣增幅/% |
|---|
| 堵塞流量/(kg·s-1) | 1.041 | 1.060 | 1.072 | 1.83 | 2.98 | 1.13 |
| 大流量工况效率/% | 73.65 | 71.37 | 74.15 | -3.10 | 0.68 | 3.90 |
| 大流量工况压比 | 4.975 | 4.687 | 5.122 | -5.79 | 2.96 | 9.28 |
| 设计工况效率/% | 72.77 | 71.84 | 74.01 | -1.28 | 1.70 | 3.02 |
| 设计工况压比 | 4.924 | 4.842 | 5.151 | -1.67 | 4.61 | 6.38 |
| 近失速工况效率/% | — | 72.47 | 73.27 | — | — | 1.10 |
| 近失速工况压比 | — | 5.172 | 5.404 | — | — | 4.49 |
| 稳定工况范围/% | 8.742 | 25.890 | 26.720 | 17.15 | 17.98 | 0.83 |
), ArticleFig(id=1325529187989344426, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=表4, caption=
压气机优化前、后主要性能指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 实壁机匣 | 基准机匣 | 耦合优化 | 基准机匣相对实壁 机匣增幅/% | 耦合优化相对实壁 机匣增幅/% | 耦合优化相对基准 机匣增幅/% |
|---|
| 堵塞流量/(kg·s-1) | 1.041 | 1.060 | 1.072 | 1.83 | 2.98 | 1.13 |
| 大流量工况效率/% | 73.65 | 71.37 | 74.15 | -3.10 | 0.68 | 3.90 |
| 大流量工况压比 | 4.975 | 4.687 | 5.122 | -5.79 | 2.96 | 9.28 |
| 设计工况效率/% | 72.77 | 71.84 | 74.01 | -1.28 | 1.70 | 3.02 |
| 设计工况压比 | 4.924 | 4.842 | 5.151 | -1.67 | 4.61 | 6.38 |
| 近失速工况效率/% | — | 72.47 | 73.27 | — | — | 1.10 |
| 近失速工况压比 | — | 5.172 | 5.404 | — | — | 4.49 |
| 稳定工况范围/% | 8.742 | 25.890 | 26.720 | 17.15 | 17.98 | 0.83 |
), ArticleFig(id=1325529188064841899, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=EN, label=Tab.5, caption=
Comparison of design variables before and after optimization
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 基准值 | 耦合优化值 |
|---|
| 前缘后掠角N1/(°) | 5.08 | 7.73 |
| 尾缘掠角N2/(°) | 0.00 | 18.32 |
| 前缘叶根叶片包角N3/(°) | 17.24 | 15.88 |
| 前缘叶顶叶片包角N4/(°) | 14.33 | 14.33 |
| 尾缘叶根叶片包角N5/(°) | 54.69 | 53.63 |
| 尾缘叶顶叶片包角N6/(°) | 44.71 | 44.71 |
| 叶片倾角N7/(°) | 10.71 | 8.75 |
| 空腔高度N8/mm | 26.84 | 21.82 |
| 回流槽轴向位置N9/mm | -69.63 | -59.40 |
| 回流槽入射角N10/(°) | 135.00 | 158.53 |
| 回流槽径向位置N11/mm | 53.05 | 54.26 |
| 回流槽空腔间距N12/mm | 5.47 | 2.51 |
| 抽吸槽轴向位置N13/mm | -31.80 | -33.51 |
| 抽吸槽宽度N14/mm | 2.50 | 4.16 |
| 空腔长度N15/mm | 94.00 | 98.52 |
| 空腔上倾斜角N16/(°) | 1.50 | 0.00 |
| 空腔下倾斜角N17/(°) | 1.50 | 0.18 |
| 抽吸槽角度N18/(°) | 110.00 | 134.78 |
), ArticleFig(id=1325529188157116588, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1325529170901749804, language=CN, label=表5, caption=
设计变量优化前、后对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 基准值 | 耦合优化值 |
|---|
| 前缘后掠角N1/(°) | 5.08 | 7.73 |
| 尾缘掠角N2/(°) | 0.00 | 18.32 |
| 前缘叶根叶片包角N3/(°) | 17.24 | 15.88 |
| 前缘叶顶叶片包角N4/(°) | 14.33 | 14.33 |
| 尾缘叶根叶片包角N5/(°) | 54.69 | 53.63 |
| 尾缘叶顶叶片包角N6/(°) | 44.71 | 44.71 |
| 叶片倾角N7/(°) | 10.71 | 8.75 |
| 空腔高度N8/mm | 26.84 | 21.82 |
| 回流槽轴向位置N9/mm | -69.63 | -59.40 |
| 回流槽入射角N10/(°) | 135.00 | 158.53 |
| 回流槽径向位置N11/mm | 53.05 | 54.26 |
| 回流槽空腔间距N12/mm | 5.47 | 2.51 |
| 抽吸槽轴向位置N13/mm | -31.80 | -33.51 |
| 抽吸槽宽度N14/mm | 2.50 | 4.16 |
| 空腔长度N15/mm | 94.00 | 98.52 |
| 空腔上倾斜角N16/(°) | 1.50 | 0.00 |
| 空腔下倾斜角N17/(°) | 1.50 | 0.18 |
| 抽吸槽角度N18/(°) | 110.00 | 134.78 |
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