Article(id=1314908193386488683, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.04.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1779897600000, receivedDateStr=2026-05-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428143116, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428143116, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428143116, creator=13701087609, updateTime=1791428143116, updator=13701087609, issue=Issue{id=1314908074188562588, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='4', pageStart='1', pageEnd='266', issueExtLink='null', onlineDate='null', pubDate='1785513600000', pubDateStr='2026-08-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791428114697, creator='13701087609', updateTime=1791430419337, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314917740654191268, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314917740654191269, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=81, endPage=88, ext={EN=ArticleExt(id=1314908193755587436, articleId=1314908193386488683, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Analysis of Influencing Factors for Polymetallic Nodules Collection Efficiency of a Wall-Attached Jet Collector Head, columnId=1314908115951247834, journalTitle=Mining and Metallurgical Engineering, columnName=EXPLOITATION OF DEEP-SEA MINERAL RESOURCES, runingTitle=null, highlight=null, articleAbstract=

In consideration of uneven distribution of seabed nodules and continuous travel of a collector vehicle during deep-sea mining operations, a CFD-DEM coupling approach was used to investigate the effects of particle abundance, traveling speed, and their combined actions on the collection efficiency of a wall-attached jet collector head and particle transport behavior. The results show that under static conditions, when particle abundance increases, more nodule particles enter the effective zone of the wall-attached jet, and collection efficiency rises accordingly. Nevertheless, excessively high particle abundance can lead to massive accumulation of particles in front of the pick-up mechanism, inhibiting continuous particle transport and lowering collection efficiency. It is found that the preferable particle abundance is 12.60 kg/m². Under dynamic working conditions, collection efficiency also exhibits a trend of initial increase followed by a decrease with increasing traveling speed. At too low traveling speed, particle supply cannot remain continuous, while at excessively high speed, the effective interaction time between particles and collector head is reduced. Both scenarios are unfavorable for stable particle transport. And collection performance is satisfactory with the traveling speed at 0.15-0.20 m/s. It is concluded that the particle transport near the pick-up mechanism is jointly governed by particle abundance and traveling speed. Higher collection efficiency depends on the appropriate balance among particle supply, effective interaction time and transport capacity of the pick-up mechanism.

, authors=Tao ZHENG, Guoqing JIN, Li ZOU, Zongbing YU, Qingyuan LIN, authorsList=Tao ZHENG, Guoqing JIN, Li ZOU, Zongbing YU, Qingyuan LIN, authorCompany=null, correspAuthors=Li ZOU, 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=1314908195819185009, articleId=1314908193386488683, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=附壁射流式集矿头多金属结核集矿效率影响因素分析, columnId=1314908116152574428, journalTitle=矿冶工程杂志, columnName=深海矿产资源开发, runingTitle=null, highlight=null, articleAbstract=

针对深海采矿作业中海床结核分布不均匀、集矿头连续行进的特点，基于CFD-DEM方法研究了颗粒丰度、行进速度及二者共同作用对附壁射流式集矿头采集率和颗粒输运行为的影响。结果表明，静态工况下，颗粒丰度增加使更多颗粒进入附壁射流作用区域，采集率随之升高，但当颗粒丰度过高时，集矿口前方颗粒堆积增多，持续输运受限，采集率下降，较优颗粒丰度为12.60 kg/m²；动态工况下，采集率随行进速度增加同样呈先升高后降低趋势，速度过低时颗粒供给不够连续，速度过高时颗粒与集矿头的有效作用时间缩短，均不利于稳定输运，速度0.15~0.20 m/s范围内的采集效果较好；颗粒丰度和行进速度共同影响集矿口附近颗粒输运状态，较高采集率取决于颗粒供给水平、有效作用时间和集矿口输运能力之间的匹配关系。

, authors=郑涛, 金国庆, 邹丽, 于宗冰, 林清源, authorsList=郑涛, 金国庆, 邹丽, 于宗冰, 林清源, authorCompany=null, correspAuthors=邹丽, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=o91MrMJt2sHCA+N9wcTNFw==, magXml=u/5Tb71MHpdmdwy8ziQuhw==, pdfUrl=null, pdf=YC/athh2aXZBWV/8Z1TGlA==, pdfFileSize=1437075, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=li62aG5uTWqZAOqZLA1dPw==, mapNumber=null, fund=null)}, authors=[Author(id=1314908196469302135, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908193386488683, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=914693234@mail.dlut.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314908196569965433, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908193386488683, authorId=1314908196469302135, language=EN, stringName=Tao ZHENG, firstName=Tao, middleName=null, lastName=ZHENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Naval Architecture, Dalian University of Technology, Dalian 116024, Liaoning, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314908196632879994, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908193386488683, authorId=1314908196469302135, language=CN, stringName=郑涛, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=大连理工大学 船舶工程学院，辽宁 大连 116024, bio={"content":"

郑涛（2004—），男，湖南邵阳人，硕士研究生，主要研究方向为深海采矿水动力学。E-mail: 914693234@mail.dlut.edu.cn

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郑涛（2004—），男，湖南邵阳人，硕士研究生，主要研究方向为深海采矿水动力学。E-mail: 914693234@mail.dlut.edu.cn

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