Article(id=1236330614346010713, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.04.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1675872000000, receivedDateStr=2023-02-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772693788372, onlineDateStr=2026-03-05, pubDate=1690819200000, pubDateStr=2023-08-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772693788372, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772693788372, creator=13701087609, updateTime=1772693788372, updator=13701087609, issue=Issue{id=1236330603000418795, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='4', pageStart='1', pageEnd='189', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772693785667, creator=13701087609, updateTime=1772696855253, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236343477835985022, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236343477835985023, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=5, ext={EN=ArticleExt(id=1236330614652194934, articleId=1236330614346010713, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Simulation Study of Flow Field Characteristics of Underwater Reamer Operation, columnId=1236330603948331500, journalTitle=Mining and Metallurgical Engineering, columnName=MININP, runingTitle=null, highlight=null, articleAbstract=

Based on the calculation theory of solid-liquid two-phase flow and consideration of collision effect, a hydrodynamic model was established by using VOF model, and reamer operation under different working conditions was also analyzed by numerical simulation. It is shown that a reamer working with an inclination angle of 45° can have a good effect, resulting in percentage of disturbed area at 68.32%. As the rotating speed of reamer increases, disturbance of the waters above a reamer gradually becomes violent, and the scope of waters being disturbed also gradually becomes wider first and then narrows down. It is concluded that a reamer should work with an inclination angle of 45°, rotate at a speed of 45 r/min and move laterally at a speed of 0.2 m/s, which can reduce disturbance to the waters brought by its operation, thus minimize the secondary pollution to the waters to a certain extent.

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基于固液两相流计算理论，在考虑碰撞效应的基础上，采用VOF模型建立流体力学模型，仿真分析了不同工况下铰刀作业情况。结果表明，铰刀在45°倾角下工作时效果较好，扰动范围为68.32%；随着铰刀转速增大，铰刀上方水域受扰动程度逐渐增加，流域受扰动范围呈现逐渐增大后又减小的趋势。铰刀工作参数为倾角45°、转速45 r/min和横移速度0.2 m/s时，有利于降低铰刀作业对水域的扰动，能够在一定程度上减少对水域的二次污染。

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黎宙（1990—），男，湖南宁乡人，工程师，主要研究方向为深海采矿机械设计及流体仿真。

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黎宙（1990—），男，湖南宁乡人，工程师，主要研究方向为深海采矿机械设计及流体仿真。

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