Article(id=1324426285933535233, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324426184037114137, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.08.005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1771344000000, receivedDateStr=2026-02-18, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793697433217, onlineDateStr=2026-11-03, pubDate=1786723200000, pubDateStr=2026-08-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793697433217, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793697433217, creator=13701087609, updateTime=1793697433217, updator=13701087609, issue=Issue{id=1324426184037114137, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='8', pageStart='1221', pageEnd='1396', issueExtLink='null', onlineDate='null', pubDate='1786723200000', pubDateStr='2026-08-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793697408922, creator='13701087609', updateTime=1793697408922, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1268, endPage=1278, ext={EN=ArticleExt(id=1324426286218747906, articleId=1324426285933535233, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Numerical analysis of the performance loss mechanism of submerged waterjet propeller during yaw maneuvering, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
The submersible waterjet propeller (SMWJP) is more efficient than conventional stern waterjet propulsion, while its thrust will be significantly reduced during high-speed maneuvering. The working process of SMWJP in high-speed yaw maneuvering was simulated under a set of stationary oblique flow conditions. Compared with straight flow, the head and efficiency of SMWJP decreased by 20% and 17.6% for oblique flow with positive oblique flow angle, and by 40% and 23.5% for that with negative oblique flow angle. Based on the entropy generation theory used to evaluate flow loss, the distribution law of entropy generation for each component of SMWJP in oblique flow was derived. Turbulent dissipative entropy generation accounts for the largest proportion of total entropy generation, reaching 60%. And entropy generation in impeller flow passages accounts for 45% of the total. The entropy generation in the inlet duct accounts for the smallest proportion, while it was more easily affected by the oblique flow angle. The oblique flow leads to the formation of low-energy vortices in the inlet tube, which invades the impeller flow channel, resulting in the expansion of the high-entropy generation area on the front edge of the suction and the top of the leaf. The turbulent dissipative entropy generation was then increased. Therefore optimizing the design of the inlet tube and reducing the sensitivity of the inlet tube to oblique flow is the key way to improve the dynamic performance of the submersible propeller.
, authors=Cai-xiang WANG, Liu CHEN, Ren DAI, authorsList=Cai-xiang WANG, Liu CHEN, Ren DAI, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2026 Journal of Ship Mechanics. All rights reserved., 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=1324426302954020988, articleId=1324426285933535233, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=横摆机动航行中浸没喷水推进器性能损失机理的数值分析, columnId=1241023038087549292, journalTitle=船舶力学, columnName=流体力学, runingTitle=null, highlight=null, articleAbstract=
浸没式喷水推进器(SMWJP)比常规艉板喷水推进效率高,但在高速机动航行时推力明显下降。以一组定常斜航工况模拟横摆机动航行中SMWJP的工作过程。与直航工况相比,其扬程与效率在正向斜航时下降了20%和 17.6%,在负向斜航时则下降了40%和23.5%。基于评估流动损失的熵产理论,分解出SMWJP在斜航中熵产在各部件的分布规律。总熵产中湍流耗散熵产占比最大,达到了60%。其中叶轮过流熵产占比45%。进流管熵产占比最小,但是受斜航角影响最大。斜航导致进流管形成低能涡旋,侵入叶轮流道,造成吸力面前缘及叶顶区域高熵产区扩大,增加湍流耗散熵产。改进进流管设计,降低进流管对斜航的敏感度,是提高浸没推进器机动航行动力性能的关键途径。
, authors=王财祥, 陈榴, 戴韧, authorsList=王财祥, 陈榴, 戴韧, authorCompany=null, correspAuthors=null, authorNote=
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王财祥(2001–),男,硕士, E-mail:17625569023@163.com
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陈 榴(1983–),女,博士,通讯作者,E-mail:chen_liu@usst.edu.cn
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陈 榴(1983–),女,博士,通讯作者,E-mail:chen_liu@usst.edu.cn
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International Journal of Heat and Mass Transfer, 2003, 47(10): 2205-2215., articleTitle=null, refAbstract=null)], funds=[Fund(id=1324426548035596632, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, awardId=null, language=CN, fundingSource=国家自然科学基金项目资助项目(52006147;52276034), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1324426540548763937, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, xref=null, ext=[AuthorCompanyExt(id=1324426540561346850, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, companyId=1324426540548763937, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=College of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China), AuthorCompanyExt(id=1324426540582318371, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, companyId=1324426540548763937, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=上海理工大学 能源与动力工程学院,上海 200093)])], figs=[ArticleFig(id=1324426544210391356, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.1, caption=
Schematic diagram of the installation of an immersion waterjet, figureFileSmall=OU+fDmS68Jk4zs0yXY/Udw==, figureFileBig=aXUnPWHbkqdo1ogADKWbuA==, tableContent=null), ArticleFig(id=1324426544319443261, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图1, caption=
浸没式喷水推进器安装示意图, figureFileSmall=OU+fDmS68Jk4zs0yXY/Udw==, figureFileBig=aXUnPWHbkqdo1ogADKWbuA==, tableContent=null), ArticleFig(id=1324426544432689470, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.2, caption=
Grids for impeller and guide vane, figureFileSmall=avCBOxYvLJISV/GDct8D/Q==, figureFileBig=1jWeubnyMlULZCAfLh09zA==, tableContent=null), ArticleFig(id=1324426544495604031, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图2, caption=
叶轮及导叶部分网格, figureFileSmall=avCBOxYvLJISV/GDct8D/Q==, figureFileBig=1jWeubnyMlULZCAfLh09zA==, tableContent=null), ArticleFig(id=1324426544566907200, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.3, caption=
Grid independence, figureFileSmall=5QiboGCazZ41UqC4HeJ70A==, figureFileBig=cPprhH0QnUBrsiXJ55jgzw==, tableContent=null), ArticleFig(id=1324426544625627457, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图3, caption=
网格无关性, figureFileSmall=5QiboGCazZ41UqC4HeJ70A==, figureFileBig=cPprhH0QnUBrsiXJ55jgzw==, tableContent=null), ArticleFig(id=1324426544696930626, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.4, caption=
Comparison between experimental and numerical results of propulsion pump, figureFileSmall=qA2bmG6QNrTlxAii69qi6w==, figureFileBig=PIBagDEr+RKqX2kI8BqrRw==, tableContent=null), ArticleFig(id=1324426544785011011, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图4, caption=
推进泵实验与数值结果对比, figureFileSmall=qA2bmG6QNrTlxAii69qi6w==, figureFileBig=PIBagDEr+RKqX2kI8BqrRw==, tableContent=null), ArticleFig(id=1324426544864702788, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.5, caption=
Schematic diagram of inlet velocity vector distribution and oblique flow angle, figureFileSmall=BIgkqwTIib5NEaMtDyVAiA==, figureFileBig=0vqnSmM0x+QsJ/tYRoBBGg==, tableContent=null), ArticleFig(id=1324426544952783173, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图5, caption=
入口速度矢量分布及斜航角示意图, figureFileSmall=BIgkqwTIib5NEaMtDyVAiA==, figureFileBig=0vqnSmM0x+QsJ/tYRoBBGg==, tableContent=null), ArticleFig(id=1324426545036669254, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.6, caption=
Variation of oblique flow angle during a yaw maneuvering cycle, figureFileSmall=k2W9e7EzxCYyqAqRbpR7Cw==, figureFileBig=/xnKmJCzr07u4yn776fixg==, tableContent=null), ArticleFig(id=1324426545103778119, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图6, caption=
横摆航行斜航角变化图, figureFileSmall=k2W9e7EzxCYyqAqRbpR7Cw==, figureFileBig=/xnKmJCzr07u4yn776fixg==, tableContent=null), ArticleFig(id=1324426545166692680, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.7, caption=
Efficiency and head curves of waterjet propeller under oblique flow conditions, figureFileSmall=gPOdriinN75DIQCyEPr2Cg==, figureFileBig=feZXotiPq6OjDmQ1zifKVQ==, tableContent=null), ArticleFig(id=1324426545258967369, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图7, caption=
斜航工况下喷水推进器的效率和扬程曲线, figureFileSmall=gPOdriinN75DIQCyEPr2Cg==, figureFileBig=feZXotiPq6OjDmQ1zifKVQ==, tableContent=null), ArticleFig(id=1324426545342853450, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.8, caption=
Comparisons of thrust coefficient, torque coefficient and mass flow, figureFileSmall=5KC9rwAFsFeSq4qsmcp8EQ==, figureFileBig=OaJmH1Li//yb0boed5MIDA==, tableContent=null), ArticleFig(id=1324426545460293963, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图8, caption=
推力系数、扭矩系数和质量流量对比, figureFileSmall=5KC9rwAFsFeSq4qsmcp8EQ==, figureFileBig=OaJmH1Li//yb0boed5MIDA==, tableContent=null), ArticleFig(id=1324426547125432652, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.9, caption=
Values and proportion of entropy generation for different components, figureFileSmall=cL/hWYFpuPvVleHvH063AA==, figureFileBig=Nukug4y7yRGM26KVVWQpKA==, tableContent=null), ArticleFig(id=1324426547209318733, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图9, caption=
熵产分布数值及占比, figureFileSmall=cL/hWYFpuPvVleHvH063AA==, figureFileBig=Nukug4y7yRGM26KVVWQpKA==, tableContent=null), ArticleFig(id=1324426547284816206, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.10, caption=
Variation of unevenness coefficient of the inlet surface under oblique flow conditions, figureFileSmall=tP5lYMZJYJe31ymNzgOFJw==, figureFileBig=Op+J+8CQ2gDR7kCRkKnaSA==, tableContent=null), ArticleFig(id=1324426547360313679, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图10, caption=
斜航工况下进流面不均匀度系数, figureFileSmall=tP5lYMZJYJe31ymNzgOFJw==, figureFileBig=Op+J+8CQ2gDR7kCRkKnaSA==, tableContent=null), ArticleFig(id=1324426547431616848, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.11, caption=
Distribution of total pressure and streamlines of the inlet surface under different oblique flow angles, figureFileSmall=HOptKzyfwxJw1PK/gtUkMw==, figureFileBig=HHDP012PdeTBeXV05i/Mnw==, tableContent=null), ArticleFig(id=1324426547511308625, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图11, caption=
不同斜航角下进流面总压与流线分布, figureFileSmall=HOptKzyfwxJw1PK/gtUkMw==, figureFileBig=HHDP012PdeTBeXV05i/Mnw==, tableContent=null), ArticleFig(id=1324426547582611794, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.12, caption=
Distribution of turbulent dissipative entropy generation of the working face of the impeller under different oblique flow angles, figureFileSmall=uxv3IyitEvdnKNEM86o1Dg==, figureFileBig=4Ruhq+PtaeRtQfI0NIjgDg==, tableContent=null), ArticleFig(id=1324426547641332051, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图12, caption=
不同斜航角下叶轮段工作面湍流耗散熵产分布, figureFileSmall=uxv3IyitEvdnKNEM86o1Dg==, figureFileBig=4Ruhq+PtaeRtQfI0NIjgDg==, tableContent=null), ArticleFig(id=1324426547708440916, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.13, caption=
Structure diagram of vortexes in impeller passage with different oblique flow angles, figureFileSmall=eST7j4B233xeq99lJa27JQ==, figureFileBig=QWPdO9u7iuRP0gg8iKXbOA==, tableContent=null), ArticleFig(id=1324426547788132693, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图13, caption=
不同斜航角下叶轮流道内涡结构图, figureFileSmall=eST7j4B233xeq99lJa27JQ==, figureFileBig=QWPdO9u7iuRP0gg8iKXbOA==, tableContent=null), ArticleFig(id=1324426547851047254, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=EN, label=Fig.14, caption=
Circumferential distribution of inlet flow angle at 60% span, figureFileSmall=pylJBCYUZS1AAVG0ivCzCw==, figureFileBig=CgGJyYctxz1IxS8xRf5nbg==, tableContent=null), ArticleFig(id=1324426547913961815, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426285933535233, language=CN, label=图14, caption=
入口进流角周向分布(Span=0.6), figureFileSmall=pylJBCYUZS1AAVG0ivCzCw==, figureFileBig=CgGJyYctxz1IxS8xRf5nbg==, tableContent=null)], attaches=null, journal=Journal(id=1240685663704625163, delFlag=0, nameCn=船舶力学, nameEn=Journal of Ship Mechanics, nameHistory1=null, nameHistory2=null, issn=1007-7294, eissn=null, cn=32-1468/U, coden=null, periodic=0, language=CN, oaType=null, ccby=null, superviseOffice=null, ownerOffice=null, pubOffice=null, editorOffice=null, officeType=null, aims=null, clcCode=null, officeProv=null, officeCity=null, officeAddr=null, officeZip=null, officeEmail=null, officePhone=null, editDirector=null, officeDirector=null, officeDirectorPhone=null, officeStaffNum=null, officeEmpNum=null, coverPicUrl=8VABIsgSw5I4HF/4goaIlA==, journalPrice=null, startedYear=null, abbrevIsoEn=Journal of Ship Mechanics, journalRemark=null, publicationField=null, createdTime=1773732113054, updatedTime=1788949655820, createdBy=18614031015, updatedBy=13041195026, firstLetterCn=C, firstLetterEn=C, 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