Article(id=1320037776444211683, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037738695475401, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.05.004, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1762358400000, receivedDateStr=2025-11-06, revisedDate=1776787200000, revisedDateStr=2026-04-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651131019, onlineDateStr=2026-10-22, pubDate=1780070400000, pubDateStr=2026-05-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651131019, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651131019, creator=13701087609, updateTime=1792651131019, updator=13701087609, issue=Issue{id=1320037738695475401, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='5', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1780070400000', pubDateStr='2026-05-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651122020, creator='13701087609', updateTime=1792656245721, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059229113795207, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037738695475401, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059229113795208, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037738695475401, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=27, endPage=36, ext={EN=ArticleExt(id=1320037776687481316, articleId=1320037776444211683, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Modal decomposition and reconstruction study of the wake field of a pump‑jet propelled submersible, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To explore the unsteady flow characteristics and evolution mechanisms of the stern jet of a pump‑jet propulsor,based on the numerical simulation results of the DES model,the dynamic mode decomposition method was used to decompose and reconstruct the stern jet flow field of the pump‑jet under different cruising conditions.By comparing the numerical simulation with experimental data,it was found that the average error of thrust performance was 6.6%,verifying the effectiveness of the model.The results indicate that the stern jet flow field of the pump‑jet can be decomposed into flow features with different energies and frequencies.The first five modes account for more than 99.9% of the total energy.The fundamental mode with zero frequency represents the steady‑state structure of the unsteady flow field,reflecting the steady‑state flow field characteristics of the pump‑jet wake under different speeds and rotor rotations.Other major modes reveal the influence of the development process of high‑energy fluid masses in the wake on the wake flow bundle.Through the dynamic mode decomposition method,a low‑dimensional approximation of the high‑dimensional multi‑scale flow field can be effectively achieved,with reconstruction errors of 4.5% (low speed),5.3% (medium speed),and 4.4% (high speed),reflecting the unsteady characteristics of the complex flow field.As the speed increases,the energy becomes more concentrated in a few dominant modes.The proportion of the first‑order mode in the total energy gradually increases,approximately 95.2% at low speed,97.6% at medium speed,and 98.9% at high speed.The period of the modal coefficients increases,the flow field stability is enhanced,the wake flow bundle fluctuation of the first‑order mode decreases,and the velocity variation becomes more uniform.This study can provide a theoretical basis for the structural optimization design of pump‑jet propulsors and wake field stability control.
, authors=Jingsheng LI
1, Rong GUO
1, 2, 3, Qiannian WANG
1, Zhengjing SHEN
1, 2, 3, authorsList=Jingsheng LI, Rong GUO, Qiannian WANG, Zhengjing SHEN, authorCompany=null, correspAuthors=Rong GUO, 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=1320037781393490439, articleId=1320037776444211683, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=泵喷推进潜航器尾流场的模态分解与重构研究, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
为探索泵喷推进器尾部喷流的非稳态流动特征及演变机制,基于DES模型数值模拟结果,利用动态模态分解方法对不同巡航状态下的泵喷尾部喷流流场进行分解及重构研究。通过对比数值模拟与试验数据,发现推力性能平均误差为6.6%,验证了模型的有效性。结果表明,泵喷尾部喷流流场可以分解为能量与频率不同的流动特征,前5阶模态占总能量比例超过99.9%,频率为零的基本模态代表了非定常流场的稳态结构,反映出不同航速和转子转速下泵喷推进尾流场的稳态流场特征,其他主要模态揭示了尾流中高能流体团的发展过程对尾流流束的影响;通过动态模态分解方法能够有效实现高维多尺度流场的低维近似,重构误差分别为4.5%(低航速)、5.3%(中航速)和4.4%(高航速),反映复杂流场的非定常特性;随着航速增加,能量越来越集中于少数主要模态,1阶模态占总能量比例逐渐递增,低航速约95.2%,中航速约97.6%,高航速约98.9%;模态系数周期增加,流场稳定性增强,1阶模态尾流流束波动减小,速度变化更加均匀。研究可为泵喷推进器的结构优化设计、尾流场稳定性控制提供理论依据。
, authors=李京生
1, 郭荣
1, 2, 3, 王乾年
1, 申正精
1, 2, 3, authorsList=李京生, 郭荣, 王乾年, 申正精, authorCompany=null, correspAuthors=郭荣, authorNote=
, correspAuthorsNote=
郭荣(1987),男,博士,副教授,研究方向为水力机械内部复杂流动及其诱导噪声,通信地址:730050甘肃省兰州市七里河区兰工坪路287号兰州理工大学能源与动力工程学院,E-mail:
guorong@lut.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=K6EdBEK0J2CTKw5sq4xgAA==, magXml=LI+0VZ4+7gXL8I838yK3Hg==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=RI39/ms59Jo032aWHlq66w==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=gDm+NsP7j7/25nlSVozZTw==, mapNumber=null, fund=null)}, authors=[Author(id=1320037781867446802, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=guorong@lut.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037781938749972, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, authorId=1320037781867446802, language=EN, stringName=Jingsheng LI, firstName=Jingsheng, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1College of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320037782005858837, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, authorId=1320037781867446802, language=CN, stringName=李京生, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1兰州理工大学 能源与动力工程学院,兰州 730050, bio={"content":"
李京生(1998),男,硕士,研究方向为泵喷推进潜航器尾流破碎机理,E-mail:guorong@lut.edu.cn。
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李京生(1998),男,硕士,研究方向为泵喷推进潜航器尾流破碎机理,E-mail:guorong@lut.edu.cn。
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1, 2, 3, address=
1College of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China
2Gansu Provincial Key Laboratory of Fluid Machinery and Systems,Lanzhou 730050,China
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1兰州理工大学 能源与动力工程学院,兰州 730050
2甘肃省流体机械及系统重点实验室,兰州 730050
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1, address=
1College of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320037782370763297, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, authorId=1320037782257517086, language=CN, stringName=王乾年, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1兰州理工大学 能源与动力工程学院,兰州 730050, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1320037781599011336, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, xref=1, ext=[AuthorCompanyExt(id=1320037781603205641, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, companyId=1320037781599011336, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, 2, 3, address=
1College of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China
2Gansu Provincial Key Laboratory of Fluid Machinery and Systems,Lanzhou 730050,China
3Special pump valve and flow control system Key Laboratory of Ministry of Education,Lanzhou 730050,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320037782618227240, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, authorId=1320037782437872163, language=CN, stringName=申正精, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1兰州理工大学 能源与动力工程学院,兰州 730050
2甘肃省流体机械及系统重点实验室,兰州 730050
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S,YU B,CHEN S K,et al.Numerical simulation of heat transfer characteristics of flow with a shell‑range built‑in staggered baffles[J].Pressure Vessel Technology,2025,42(5):46-55., articleTitle=null, refAbstract=null), Reference(id=1320037796446847613, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=22, rfOrder=36, authorNames=null, journalName=null, refType=null, unstructuredReference=郭荣,王乾年,韩伟.巡航状态下泵喷推进潜艇尾部喷流涡特性研究[J].华中科技大学学报(自然科学版),2024,52(4):94-99., articleTitle=null, refAbstract=null), Reference(id=1320037796522345086, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=22, rfOrder=37, authorNames=null, journalName=null, refType=null, unstructuredReference=GUO R,WANG Q N,HAN W.Study on characteristics of pump‑jet propelled submarine tail jet vortex under cruising conditions[J].Journal of Huazhong University of Science and Technology(Natural Science Edition),2024,52(4):94-99., articleTitle=null, refAbstract=null), Reference(id=1320037798464307839, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=23, rfOrder=38, authorNames=null, journalName=null, refType=null, unstructuredReference=MOHAN A T,GAITONDE D V,VISBAL M R.Model reduction and analysis of deep dynamic stall on a plunging airfoil[J].Computers & Fluids,2016,129:1-19., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1320037781599011336, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, xref=1, 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1College of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China), AuthorCompanyExt(id=1320037781615788554, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, companyId=1320037781599011336, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1兰州理工大学 能源与动力工程学院,兰州 730050)]), AuthorCompany(id=1320037781674508811, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, xref=2, ext=[AuthorCompanyExt(id=1320037781687091724, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, companyId=1320037781674508811, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Gansu Provincial Key Laboratory of Fluid Machinery and Systems,Lanzhou 730050,China), AuthorCompanyExt(id=1320037781699674637, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, companyId=1320037781674508811, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2甘肃省流体机械及系统重点实验室,兰州 730050)]), AuthorCompany(id=1320037781758394894, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, xref=3, ext=[AuthorCompanyExt(id=1320037781766783503, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, companyId=1320037781758394894, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Special pump valve and flow control system Key Laboratory of Ministry of Education,Lanzhou 730050,China), AuthorCompanyExt(id=1320037781775172112, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, companyId=1320037781758394894, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3特种泵阀及流控系统教育部重点实验室,兰州 730050)])], figs=[ArticleFig(id=1320037783335453233, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.1, caption=
Integrated pump‑vessel model, figureFileSmall=VUzXgcMRkhKSH4GdA7/FuA==, figureFileBig=RI39/ms59Jo032aWHlq66w==, tableContent=null), ArticleFig(id=1320037783402562098, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图1, caption=
泵-艇一体化模型, figureFileSmall=VUzXgcMRkhKSH4GdA7/FuA==, figureFileBig=RI39/ms59Jo032aWHlq66w==, tableContent=null), ArticleFig(id=1320037785222890035, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.2, caption=
Computational domain, figureFileSmall=au4T1CJQz/dtlTA5pw4zHw==, figureFileBig=7JxKm58rKAQKAY8QNf9qDw==, tableContent=null), ArticleFig(id=1320037785336136244, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图2, caption=
计算域, figureFileSmall=au4T1CJQz/dtlTA5pw4zHw==, figureFileBig=7JxKm58rKAQKAY8QNf9qDw==, tableContent=null), ArticleFig(id=1320037785432605237, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.3, caption=
y+ value on rotor surface, figureFileSmall=aIn1mbY6PiyeWA1KZMHLdw==, figureFileBig=HqsN+6A1dB8euiT26qP4vQ==, tableContent=null), ArticleFig(id=1320037785520685622, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图3, caption=
转子表面y+值, figureFileSmall=aIn1mbY6PiyeWA1KZMHLdw==, figureFileBig=HqsN+6A1dB8euiT26qP4vQ==, tableContent=null), ArticleFig(id=1320037785621348919, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.4, caption=
Hexahedral structured mesh, figureFileSmall=Nk4cQbzBY8jyG8Y1zoZ6Yw==, figureFileBig=YSuGYMKlTvmfLvc/0jddHA==, tableContent=null), ArticleFig(id=1320037785684263480, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图4, caption=
六面体结构化网格, figureFileSmall=Nk4cQbzBY8jyG8Y1zoZ6Yw==, figureFileBig=YSuGYMKlTvmfLvc/0jddHA==, tableContent=null), ArticleFig(id=1320037785772343865, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.5, caption=
Thrust comparison and resistance at differentinflow velocities, figureFileSmall=J8TV9p2/XFHgNhZHFCVH3g==, figureFileBig=Rs7YzbhMJ/ahOKw0XodP/A==, tableContent=null), ArticleFig(id=1320037785856229946, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图5, caption=
推力对比及不同来流速度下的阻力, figureFileSmall=J8TV9p2/XFHgNhZHFCVH3g==, figureFileBig=Rs7YzbhMJ/ahOKw0XodP/A==, tableContent=null), ArticleFig(id=1320037785927533115, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.6, caption=
Eigenvalues and energy distribution under lowspeed condition, figureFileSmall=MjsiW55hiNFGoVDl0YLTBg==, figureFileBig=rPROHx/k1oRjuazsaKCadg==, tableContent=null), ArticleFig(id=1320037786003030588, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图6, caption=
低航速工况下特征根与能量分布, figureFileSmall=MjsiW55hiNFGoVDl0YLTBg==, figureFileBig=rPROHx/k1oRjuazsaKCadg==, tableContent=null), ArticleFig(id=1320037786091110973, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.7, caption=
Modes 1~5 under low speed condition, figureFileSmall=SVknfSx1H00dUZfttNz4Jw==, figureFileBig=Pv0u2lNWrsYEvFAcMNEpTQ==, tableContent=null), ArticleFig(id=1320037786154025534, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图7, caption=
低航速工况下1~5阶模态, figureFileSmall=SVknfSx1H00dUZfttNz4Jw==, figureFileBig=Pv0u2lNWrsYEvFAcMNEpTQ==, tableContent=null), ArticleFig(id=1320037786212745791, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.8, caption=
Variation of mode coefficients 1~5 with time underlow speed condition, figureFileSmall=2Ej2wZmNSfHFcDSYAz4Dlw==, figureFileBig=Sh/w0yvSyxgrttT8ejRpBw==, tableContent=null), ArticleFig(id=1320037786288243264, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图8, caption=
低航速工况1~5阶模态系数随时间变化规律, figureFileSmall=2Ej2wZmNSfHFcDSYAz4Dlw==, figureFileBig=Sh/w0yvSyxgrttT8ejRpBw==, tableContent=null), ArticleFig(id=1320037786359546433, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.9, caption=
Comparison between reconstructed flow field andoriginal flow field under low speed condition, figureFileSmall=L8Iu4QikpOecVpGjlARwnA==, figureFileBig=bjEYtGVG2PAWUV+4T9xVrA==, tableContent=null), ArticleFig(id=1320037786430849602, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图9, caption=
低航速工况重构流场与原始流场对比, figureFileSmall=L8Iu4QikpOecVpGjlARwnA==, figureFileBig=bjEYtGVG2PAWUV+4T9xVrA==, tableContent=null), ArticleFig(id=1320037786497958467, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.10, caption=
Eigenvalues and energy distribution under mediumspeed condition, figureFileSmall=i5qialMXLX1aH8XMvpeldg==, figureFileBig=AqwWEvt7m1trCLUy2Gg9CQ==, tableContent=null), ArticleFig(id=1320037786573455940, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图10, caption=
中航速工况下特征根与能量分布, figureFileSmall=i5qialMXLX1aH8XMvpeldg==, figureFileBig=AqwWEvt7m1trCLUy2Gg9CQ==, tableContent=null), ArticleFig(id=1320037786640564805, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.11, caption=
Modes 1~4 under medium speed condition, figureFileSmall=TltcPBoxevqemWzt9ditvA==, figureFileBig=2DTlmua6nsJDxMRm4AAO0Q==, tableContent=null), ArticleFig(id=1320037786716062278, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图11, caption=
中航速工况下1~4阶模态, figureFileSmall=TltcPBoxevqemWzt9ditvA==, figureFileBig=2DTlmua6nsJDxMRm4AAO0Q==, tableContent=null), ArticleFig(id=1320037786770588231, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.12, caption=
Variation of mode coefficients 1~4 with time undermedium speed condition, figureFileSmall=TUoch/N8Mbp+hvGrPc9SRA==, figureFileBig=lwwxU1vjz/2H5kL9ngUwtA==, tableContent=null), ArticleFig(id=1320037786850280008, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图12, caption=
中航速工况下1~4阶模态系数随时间变化规律, figureFileSmall=TUoch/N8Mbp+hvGrPc9SRA==, figureFileBig=lwwxU1vjz/2H5kL9ngUwtA==, tableContent=null), ArticleFig(id=1320037786925777481, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.13, caption=
Comparison between reconstructed flow field andoriginal flow field under medium speed condition, figureFileSmall=qJKolOoQEeKWE8TCCNjmMQ==, figureFileBig=f7qRkhYKtpAl0Xy88APynw==, tableContent=null), ArticleFig(id=1320037787001274954, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图13, caption=
中航速工况重构流场与原始流场对比, figureFileSmall=qJKolOoQEeKWE8TCCNjmMQ==, figureFileBig=f7qRkhYKtpAl0Xy88APynw==, tableContent=null), ArticleFig(id=1320037787080966731, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.14, caption=
Eigenvalues and energy distribution under highspeed condition, figureFileSmall=yBlJ3GeFLx0e0gueYPP4+g==, figureFileBig=eIpTvhJyesGl1x3NmJEDnQ==, tableContent=null), ArticleFig(id=1320037787177435724, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图14, caption=
高航速工况特征根与能量分布, figureFileSmall=yBlJ3GeFLx0e0gueYPP4+g==, figureFileBig=eIpTvhJyesGl1x3NmJEDnQ==, tableContent=null), ArticleFig(id=1320037787244544589, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.15, caption=
Modes 1~3 under high speed condition, figureFileSmall=HSN+5QsFdA4xz2SMmeJEjw==, figureFileBig=tCaLlLOxvGlNm2nvSCJ56Q==, tableContent=null), ArticleFig(id=1320037787324236366, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图15, caption=
高航速工况下1~3阶模态, figureFileSmall=HSN+5QsFdA4xz2SMmeJEjw==, figureFileBig=tCaLlLOxvGlNm2nvSCJ56Q==, tableContent=null), ArticleFig(id=1320037787382956623, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.16, caption=
Variation of mode coefficients 1~3 with time underhigh speed condition, figureFileSmall=QdIcAtBdxtqG4E6he5+9vA==, figureFileBig=URA3rlpXJpGFCdT1ea6MTg==, tableContent=null), ArticleFig(id=1320037787450065488, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图16, caption=
高航速工况下1~3阶模态系数随时间变化规律, figureFileSmall=QdIcAtBdxtqG4E6he5+9vA==, figureFileBig=URA3rlpXJpGFCdT1ea6MTg==, tableContent=null), ArticleFig(id=1320037787538145873, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Fig.17, caption=
Comparison between reconstructed flow field andoriginal flow field under high speed condition, figureFileSmall=FZlPVN3VgAXUtmUp17KJGw==, figureFileBig=5yQcioHZhro1A/h+UOBCqw==, tableContent=null), ArticleFig(id=1320037787605254738, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=图17, caption=
高航速工况下重构流场与原始流场对比, figureFileSmall=FZlPVN3VgAXUtmUp17KJGw==, figureFileBig=5yQcioHZhro1A/h+UOBCqw==, tableContent=null), ArticleFig(id=1320037787768832595, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Tab.1, caption=
Main structural parameters of the pump‑jet propulsor
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 叶轮进口直径d1/mm | 83 |
| 叶轮出口直径d2/mm | 83 |
| 导叶进口直径d3/mm | 83 |
| 导叶出口直径d4/mm | 77 |
| 叶轮叶片数Z1/片 | 4 |
| 导叶叶片数Z2/片 | 7 |
| 喷管进、出口面积比 | 1.7 |
), ArticleFig(id=1320037787844330068, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=表1, caption=
泵喷推进器主要结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 叶轮进口直径d1/mm | 83 |
| 叶轮出口直径d2/mm | 83 |
| 导叶进口直径d3/mm | 83 |
| 导叶出口直径d4/mm | 77 |
| 叶轮叶片数Z1/片 | 4 |
| 导叶叶片数Z2/片 | 7 |
| 喷管进、出口面积比 | 1.7 |
), ArticleFig(id=1320037789488497237, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Tab.2, caption=
Grid independence verification.
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 总网格数 | 推力/N | 推力效率 |
|---|
| 1 | 1.61×106 | 4.74 | 0.680 |
| 2 | 1.91×106 | 4.65 | 0.689 |
| 3 | 2.24×106 | 4.60 | 0.694 |
| 4 | 2.52×106 | 4.60 | 0.694 |
| 5 | 2.87×106 | 4.58 | 0.696 |
), ArticleFig(id=1320037789584966230, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=表2, caption=
网格无关性验证
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 总网格数 | 推力/N | 推力效率 |
|---|
| 1 | 1.61×106 | 4.74 | 0.680 |
| 2 | 1.91×106 | 4.65 | 0.689 |
| 3 | 2.24×106 | 4.60 | 0.694 |
| 4 | 2.52×106 | 4.60 | 0.694 |
| 5 | 2.87×106 | 4.58 | 0.696 |
), ArticleFig(id=1320037789689823831, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=EN, label=Tab.2, caption=
Rotor speeds corresponding to different cruising speeds
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 巡航航速v/kn | 转速n/(r⋅min-1) |
|---|
| 低航速 | 2.52 | 1 400 |
| 中航速 | 2.91 | 1 600 |
| 高航速 | 3.30 | 1 800 |
), ArticleFig(id=1320037789773709912, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037776444211683, language=CN, label=表2, caption=
不同巡航速度对应转子转速
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 巡航航速v/kn | 转速n/(r⋅min-1) |
|---|
| 低航速 | 2.52 | 1 400 |
| 中航速 | 2.91 | 1 600 |
| 高航速 | 3.30 | 1 800 |
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