Article(id=1254362830606635569, tenantId=1146029695717560320, journalId=1254119036117037056, issueId=1254362823425974931, articleNumber=null, orderNo=null, doi=10.13788/j.cnki.cbgc.2026.03.08, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1747756800000, receivedDateStr=2025-05-21, revisedDate=1758729600000, revisedDateStr=2025-09-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1776993003750, onlineDateStr=2026-04-24, pubDate=1774368000000, pubDateStr=2026-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776993003750, onlineIssueDateStr=2026-04-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776993003750, creator=13701087609, updateTime=1776993003750, updator=13701087609, issue=Issue{id=1254362823425974931, tenantId=1146029695717560320, journalId=1254119036117037056, year='2026', volume='48', issue='3', pageStart='1', pageEnd='190', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776993002036, creator=13701087609, updateTime=1776993258606, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1254363899764077151, tenantId=1146029695717560320, journalId=1254119036117037056, issueId=1254362823425974931, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1254363899764077152, tenantId=1146029695717560320, journalId=1254119036117037056, issueId=1254362823425974931, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=72, endPage=80, ext={EN=ArticleExt(id=1254362834163405373, articleId=1254362830606635569, tenantId=1146029695717560320, journalId=1254119036117037056, language=EN, title=Design and Optimization of Ducted Propellers for Two Operating Conditions of the Trailing Hopper Suction Dredger, columnId=1254362833974661691, journalTitle=Ship Engineering, columnName=Ship Power, Propulsion Equipment and Auxiliary Equipment, runingTitle=null, highlight=null, articleAbstract=
[Purpose] To optimize the propulsion efficiency of trailing suction hopper dredgers (TSHD) in two typical operating conditions: low-speed operation and self high-speed navigation,
[Method] The ducted pitch propeller and the ducted pitch propeller are designed based on the graph method, and the performance difference of the two cases is compared. A multi-objective optimization platform is established, utilizing the Reynolds-Averaged Navier-Stokes (RANS) method and the non-dominated sorting genetic algorithmⅡ (NSGA-Ⅱ) to conduct an optimization study of the fixed-pitch ducted propeller that balances both operating conditions.
[Result] The results show that the pitch ratios of the ducted propellers obtained based on the graph method are very close for both operating conditions, allowing a compromise propeller design to achieve good efficiency in both conditions. Furthermore, compared to the ducted fixed-pitch propeller, the ducted controllable-pitch propeller has higher requirements for the disk area ratio, and under dredging conditions, the fixed-pitch propeller exhibits higher efficiency. Through optimization, the two optimal ducted propeller designs obtained show efficiency improvements of 5.65% and 5.59% under dredging condition, and increases of 7.70% and 8.09% under high-speed navigation condition, respectively.
[Conclusion] It provides assistance and reference for subsequent research.
, correspAuthors=Long YU, 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, authorCompany=null, fund=null, authors=null, authorsList=Haiyan WU, Long YU), CN=ArticleExt(id=1254362836868731468, articleId=1254362830606635569, tenantId=1146029695717560320, journalId=1254119036117037056, language=CN, title=耙吸挖泥船导管桨两工况的设计优化, columnId=1254362834968711750, journalTitle=船舶工程, columnName=船舶动力、推进装置和辅机设备, runingTitle=null, highlight=null, articleAbstract=
［目的］ 为优化耙吸挖泥船在低速作业与自由航行2种典型工况的推进效率，
［方法］ 以耙吸挖泥船导管桨为研究对象，基于图谱法分别设计导管定距桨和导管调距桨，并比较二者的性能差异；构建多目标优化平台，结合RANS方法与NSGA-Ⅱ算法，开展兼顾这2种工况的导管定距桨优化研究。
［结果］ 结果表明，基于图谱设计所得导管桨在2种工况下的螺距比相近，因此导管定距桨能在2种工况下均表现出较好的效率。经优化后得到的2个最佳导管定距桨方案，在挖泥工况下效率分别提升5.65%和5.59%，在自由航行工况下效率分别提高7.70%和8.09%。
, correspAuthors=余龙, authorNote=null, correspAuthorsNote=
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本刊已许可中国学术期刊（光盘版）电子杂志社在中国知网及其系列数据库产品中以数字化方式复制、汇编、发行、信息网络传播本刊全文，本刊著作权使用费与本刊稿酬一并支付；本刊所刊登文章均无知识产权争议，不涉及泄露国家秘密、技术秘密或商业秘密。作者向本刊提交文章发表的行为即视为同意我编辑部上述声明，文责自负。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=7bd44xSRUYjATIHzZF0rWA==, magXml=8oRefk5p/ICLSy/i0H6uMA==, pdfUrl=null, pdf=/QJ7DspjqSv4ZHHjljhHZQ==, pdfFileSize=1160318, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=YoQnu9/Qzbrh/bqwJp6iQg==, mapNumber=null, authorCompany=null, fund=null, authors=
吴海燕（2000—），女，硕士研究生。研究方向：螺旋桨水动力数值模拟与优化设计。
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a.Shanghai Jiao Tong University, State Key Laboratory of Ocean Engineering, Shanghai 200240, China
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a．上海交通大学，海洋工程国家重点实验室，上海 200240
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