Article(id=1149776967735669386, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149776900194791454, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2403209, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1714406400000, receivedDateStr=2024-04-30, revisedDate=1722441600000, revisedDateStr=2024-08-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1752057790930, onlineDateStr=2025-07-09, pubDate=1744905600000, pubDateStr=2025-04-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752057790930, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752057790930, creator=13701087609, updateTime=1752057790930, updator=13701087609, issue=Issue{id=1149776900194791454, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='11', pageStart='4397', pageEnd='4826', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752057774827, creator=13701087609, updateTime=1768456666677, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218558837930512931, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149776900194791454, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218558837930512932, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149776900194791454, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=4786, endPage=4792, ext={EN=ArticleExt(id=1149776967957967499, articleId=1149776967735669386, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Effects of Leading Edge Erosion of Transonic Fan Rotor Blade on Tip Leakage Flow, columnId=1156262731079607234, journalTitle=Science Technology and Engineering, columnName=Papers·Aeronautics and Astronautics, runingTitle=null, highlight=null, articleAbstract=
Transonic fan rotor blades will suffer from morphological decay problems such as leading edge erosion in actual operation, and the flow field structure in the tip zone will change and then induce aerodynamic performance degradation. The effects of leading edge erosion on the tip leakage flow of the fan rotor were investigated from constant numerical computation in this paper. The results show that at the stall point of the eroded blade, its isentropic efficiency, total pressure ratio and mass flow rate decrease by 4.3%, 0.43% and 5.63%, respectively, and the leading-edge erosion also causes a decrease in the stabilized operating margin by 0.69%. For the flow in the tip zone, the leading-edge erosion causes an increase in the entropy increase area and intensity in the flow surface of S1 at the tip zone and the flow surface of S3 in the exit region, and the formation of a low Mach Number flow region in different blade heights; the leakage flow structure under the leading edge erosion undergoes malignant changes, the demarcation point of the main leakage flow and the secondary leakage flow is advanced, carrying more fluid for secondary leakage, and the leakage vortex deflection angle of the eroded blade reaches 30° from 15°, hitting the leading edge of the blade directly and causing flow blockage.
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跨声速风扇转子叶片在实际运行中会遭受前缘侵蚀等形貌衰变问题,端区流场结构会发生变化进而诱发气动性能衰退,采用定常数值计算方法探究前缘侵蚀对风扇转子叶尖泄漏流动的影响。结果表明,在侵蚀叶片失速点,其等熵效率、总压比和质量流量分别相对下降4.3%、0.43%和5.63%,还会造成稳定工作裕度降低了0.74%;对于端区内的流动,前缘侵蚀会在间隙处S1流面和出口区域S3流面引起熵增面积和强度的增加,在不同叶高下形成低马赫数流动区域;泄漏流结构在前缘侵蚀下发生恶性变化,主泄漏流和次泄漏流的分界点提前,携带有更多的流体发生二次泄漏,侵蚀叶片的泄漏涡偏转角度由15°达到30°,直接打在叶片前缘,造成流动堵塞。
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李顶河(1983—),男,汉族,湖北咸宁人,博士,教授,博士研究生导师。研究方向:航空结构健康监控。E-mail:dh-li@cauc.edu.cn。
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1 Sino-European Institute of Aviation Engineering, Civil Aviation University of China, Tianjin 300300, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1218843902627463591, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, authorId=1218843902417748373, language=CN, stringName=李顶河, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中国民航大学中欧航空工程师学院, 天津 300300, bio={"content":"
李顶河(1983—),男,汉族,湖北咸宁人,博士,教授,博士研究生导师。研究方向:航空结构健康监控。E-mail:dh-li@cauc.edu.cn。
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李顶河(1983—),男,汉族,湖北咸宁人,博士,教授,博士研究生导师。研究方向:航空结构健康监控。E-mail:dh-li@cauc.edu.cn。
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2 Aeronautical Engineering Institute, Civil Aviation University of China, Tianjin 300300, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1218843903655068150, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, authorId=1218843903424381412, language=CN, stringName=陈泽桐, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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Fan rotor blade geometric model, figureFileSmall=oi+gOymuBjHnYov+67LVNw==, figureFileBig=DO3dWBx+jfgchXCdESWmMg==, tableContent=null), ArticleFig(id=1218843905798357678, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图1, caption=
风扇转子叶片几何模型, figureFileSmall=oi+gOymuBjHnYov+67LVNw==, figureFileBig=DO3dWBx+jfgchXCdESWmMg==, tableContent=null), ArticleFig(id=1218843905987101382, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.2, caption=
Leading edge morphology comparison, figureFileSmall=PXpcv679NzwUQLE/G7jpuA==, figureFileBig=mRi+Ar/mvrsnZGrWEx8d0A==, tableContent=null), ArticleFig(id=1218843906142290645, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图2, caption=
前缘形貌对比图, figureFileSmall=PXpcv679NzwUQLE/G7jpuA==, figureFileBig=mRi+Ar/mvrsnZGrWEx8d0A==, tableContent=null), ArticleFig(id=1218843906259731167, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.3, caption=
Grids diagram, figureFileSmall=TlcnE+uEj9y8Ur4g1IlgvQ==, figureFileBig=PuoiQaU/8LvGolf/I9UMEw==, tableContent=null), ArticleFig(id=1218843906389754606, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图3, caption=
网格示意图, figureFileSmall=TlcnE+uEj9y8Ur4g1IlgvQ==, figureFileBig=PuoiQaU/8LvGolf/I9UMEw==, tableContent=null), ArticleFig(id=1218843906528166644, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.4, caption=
Leakage mass flow of different grids, figureFileSmall=TRtV+DArzGKsr6zsNzJ4tg==, figureFileBig=LrpKQ5wB4ausJHwSjPibMw==, tableContent=null), ArticleFig(id=1218843906687550210, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图4, caption=
不同网格下的泄漏质量流量, figureFileSmall=TRtV+DArzGKsr6zsNzJ4tg==, figureFileBig=LrpKQ5wB4ausJHwSjPibMw==, tableContent=null), ArticleFig(id=1218843906888876816, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.5, caption=
y+ value cloud map, figureFileSmall=ObpRVF/wQUBPgYwyi9A0Lw==, figureFileBig=NAwZp4z5uRxCtkxNMm8ynQ==, tableContent=null), ArticleFig(id=1218843906968568601, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图5, caption=
y+值云图, figureFileSmall=ObpRVF/wQUBPgYwyi9A0Lw==, figureFileBig=NAwZp4z5uRxCtkxNMm8ynQ==, tableContent=null), ArticleFig(id=1218843907111174949, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.6, caption=
Total pressure ratio characteristic curve, figureFileSmall=wp4MX2MXn6Pl8m8E+B0NNg==, figureFileBig=oliWGX6yVwq+FWJEXYYudQ==, tableContent=null), ArticleFig(id=1218843907396387634, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图6, caption=
总压比特性线, figureFileSmall=wp4MX2MXn6Pl8m8E+B0NNg==, figureFileBig=oliWGX6yVwq+FWJEXYYudQ==, tableContent=null), ArticleFig(id=1218843907543188284, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.7, caption=
Isentropic efficiency characteristic curve, figureFileSmall=p4NfzV1ZjZFebsnXafeGLQ==, figureFileBig=FOjJ45XB+wT/NpUxqBTVrQ==, tableContent=null), ArticleFig(id=1218843907677406025, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图7, caption=
等熵效率特性线, figureFileSmall=p4NfzV1ZjZFebsnXafeGLQ==, figureFileBig=FOjJ45XB+wT/NpUxqBTVrQ==, tableContent=null), ArticleFig(id=1218843907870344022, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.8, caption=
Entropy cloud map at tip zone, figureFileSmall=7XFLQ/BgtkpOuPVOrq8lCA==, figureFileBig=gxygh3o2Wjo/CfTRoP7MoA==, tableContent=null), ArticleFig(id=1218843908101030757, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图8, caption=
叶顶间隙区域熵云图, figureFileSmall=7XFLQ/BgtkpOuPVOrq8lCA==, figureFileBig=gxygh3o2Wjo/CfTRoP7MoA==, tableContent=null), ArticleFig(id=1218843908226859890, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.9, caption=
Entropy cloud map of outlet section, figureFileSmall=ZOlFLoQ5nUoeN8DMlawkeg==, figureFileBig=XJWgMMCZX2r2DPYMlcohhg==, tableContent=null), ArticleFig(id=1218843908348494717, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图9, caption=
出口截面熵云图, figureFileSmall=ZOlFLoQ5nUoeN8DMlawkeg==, figureFileBig=XJWgMMCZX2r2DPYMlcohhg==, tableContent=null), ArticleFig(id=1218843908545627026, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.10, caption=
Relative mach number cloud map at different blade heights, figureFileSmall=nAgexmM18ysCPUMG+37I+w==, figureFileBig=JRTP4gEqiBMJwHnhXvXOBQ==, tableContent=null), ArticleFig(id=1218843908658873243, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图10, caption=
不同叶高下相对马赫数云图, figureFileSmall=nAgexmM18ysCPUMG+37I+w==, figureFileBig=JRTP4gEqiBMJwHnhXvXOBQ==, tableContent=null), ArticleFig(id=1218843908864394157, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.11, caption=
Streamline map at tip zone, figureFileSmall=ju/cQRSnVadw5kh9EsvGyg==, figureFileBig=J4Jdt21KDr308X6uevqFaw==, tableContent=null), ArticleFig(id=1218843909048943547, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图11, caption=
间隙处流线图, figureFileSmall=ju/cQRSnVadw5kh9EsvGyg==, figureFileBig=J4Jdt21KDr308X6uevqFaw==, tableContent=null), ArticleFig(id=1218843909212521423, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.12, caption=
Entropy cloud map of passage sections, figureFileSmall=3zjnyVm/u8zdXHBNd+xAYw==, figureFileBig=dTwdZLZompLYSwKEtxbYVQ==, tableContent=null), ArticleFig(id=1218843909397070822, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图12, caption=
通道截面熵云图, figureFileSmall=3zjnyVm/u8zdXHBNd+xAYw==, figureFileBig=dTwdZLZompLYSwKEtxbYVQ==, tableContent=null), ArticleFig(id=1218843909527094259, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Fig.13, caption=
Q criterion vortex structures map at tip zone, figureFileSmall=dpXmrbK6Xy5njgHEc+JWdw==, figureFileBig=Rz8ghri5149HN7eMkJpC9A==, tableContent=null), ArticleFig(id=1218843909652923390, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=图13, caption=
端区Q准则涡结构图, figureFileSmall=dpXmrbK6Xy5njgHEc+JWdw==, figureFileBig=Rz8ghri5149HN7eMkJpC9A==, tableContent=null), ArticleFig(id=1218843909770362890, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Table 1, caption=
Study object parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 值 |
| 风扇直径/m | 1.55 |
| 叶片数/个 | 24 |
| 叶高/mm | 622 |
| 叶顶处叶片弦长/mm | 250 |
| 叶顶间隙/mm | 1 |
| 设计转速/(r·min-1) | 5 175 |
), ArticleFig(id=1218843909908774936, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=表1, caption=
研究对象相关参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 值 |
| 风扇直径/m | 1.55 |
| 叶片数/个 | 24 |
| 叶高/mm | 622 |
| 叶顶处叶片弦长/mm | 250 |
| 叶顶间隙/mm | 1 |
| 设计转速/(r·min-1) | 5 175 |
), ArticleFig(id=1218843910160433197, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Table 2, caption=
Inlet and outlet boundary conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 条件 | 参数 | 数值 |
| 进口条件 | 总温/K | 288.15 |
| 总压/Pa | 101 325 |
| 转速/(r·min-1) | 5 175 |
| 出口条件 | 平均静压/Pa | 100 000 |
), ArticleFig(id=1218843910303039553, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=表2, caption=
进出口边界条件
, figureFileSmall=null, figureFileBig=null, tableContent=
| 条件 | 参数 | 数值 |
| 进口条件 | 总温/K | 288.15 |
| 总压/Pa | 101 325 |
| 转速/(r·min-1) | 5 175 |
| 出口条件 | 平均静压/Pa | 100 000 |
), ArticleFig(id=1218843910441451597, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=EN, label=Table 3, caption=
Pressure ratio and isentropic efficiency for four different scaled grids
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格数/万 | 压比 | 等熵效率/% |
| 89 | 1.430 | 91.19 |
| 105 | 1.435 | 91.23 |
| 121 | 1.438 | 91.26 |
| 138 | 1.438 | 91.27 |
), ArticleFig(id=1218843910546309209, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776967735669386, language=CN, label=表3, caption=
4种不同尺度网格的下的压比与等熵效率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格数/万 | 压比 | 等熵效率/% |
| 89 | 1.430 | 91.19 |
| 105 | 1.435 | 91.23 |
| 121 | 1.438 | 91.26 |
| 138 | 1.438 | 91.27 |
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