Article(id=1236319267386348310, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.03.010, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1669996800000, receivedDateStr=2022-12-03, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772691083046, onlineDateStr=2026-03-05, pubDate=1685548800000, pubDateStr=2023-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772691083046, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772691083046, creator=13701087609, updateTime=1772691083046, updator=13701087609, issue=Issue{id=1236316193171239730, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='3', pageStart='1', pageEnd='179', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772690350096, creator=13701087609, updateTime=1772691872061, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236322576809652696, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236322576809652697, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=42, endPage=46, ext={EN=ArticleExt(id=1236319267654783782, articleId=1236319267386348310, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Motion of Irregular Coarse Particles in Vertical Pipelines During Deep Sea Mining, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=

The motion of spherical, tetrahedral and hexahedral particles flowing in a vertical pipe under different working conditions was simulated by using computational fluid dynamics-discrete element method (CFD-DEM), and the motion of irregular particles flowing in a vertical pipe was obtained. Based on comparison of local concentration and local flow rate, it is found that with lower flow rate at the inlet, the shape of particles can bring a larger influence to local concentration; while with a higher feed concentration and lower inlet flow rate, the shape of particles can bring obvious influence to local flow rate.

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运用计算流体力学-离散元(CFD-DEM)方法对不同工况下球形、四面体形和六面体形颗粒群在垂直管流中的运动状况进行仿真分析,得到异形颗粒群垂直管道内的运动状况。对比分析了异形颗粒群在垂直管道中的局部浓度和局部流量,结果表明,入口流速较低时,颗粒形状对局部浓度影响较大;给料浓度较大、入口流速较低时,颗粒形状对局部流量的影响明显。

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徐江敏(1980—),男,江西湖口人,硕士,高级实验师,硕士研究生导师,主要研究方向为先进制造技术。
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许明(1997—),男,江苏淮安人,硕士研究生,主要研究方向为深海采矿混输系统及隔膜泵结构与控制。

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许明(1997—),男,江苏淮安人,硕士研究生,主要研究方向为深海采矿混输系统及隔膜泵结构与控制。

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许明(1997—),男,江苏淮安人,硕士研究生,主要研究方向为深海采矿混输系统及隔膜泵结构与控制。

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深海采矿垂直管道内异形粗颗粒运动状况研究
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许明 1, 2 , 徐江敏 2 , 卢道华 2 , 汤雁冰 2
矿冶工程杂志 | 采矿 2023,43(3): 42-46
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矿冶工程杂志 | 采矿 2023, 43(3): 42-46
深海采矿垂直管道内异形粗颗粒运动状况研究
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许明1, 2, 徐江敏2, 卢道华2, 汤雁冰2
作者信息
  • 1.江苏科技大学 机械工程学院,江苏 镇江 212000
  • 2.江苏科技大学 海洋装备研究院,江苏 镇江 212003
  • 许明(1997—),男,江苏淮安人,硕士研究生,主要研究方向为深海采矿混输系统及隔膜泵结构与控制。

通讯作者:

徐江敏(1980—),男,江西湖口人,硕士,高级实验师,硕士研究生导师,主要研究方向为先进制造技术。
Motion of Irregular Coarse Particles in Vertical Pipelines During Deep Sea Mining
Ming XU1, 2, Jiangmin XU2, Daohua LU2, Yanbing TANG2
Affiliations
  • 1.School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, Jiangsu, China
  • 2.Research Institute of Marine Equipment, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China
出版时间: 2023-06-01 doi: 10.3969/j.issn.0253-6099.2023.03.010
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运用计算流体力学-离散元(CFD-DEM)方法对不同工况下球形、四面体形和六面体形颗粒群在垂直管流中的运动状况进行仿真分析,得到异形颗粒群垂直管道内的运动状况。对比分析了异形颗粒群在垂直管道中的局部浓度和局部流量,结果表明,入口流速较低时,颗粒形状对局部浓度影响较大;给料浓度较大、入口流速较低时,颗粒形状对局部流量的影响明显。

深海采矿  /  颗粒群  /  管道输送  /  垂直提升  /  异形粗颗粒  /  CFD-DEM

The motion of spherical, tetrahedral and hexahedral particles flowing in a vertical pipe under different working conditions was simulated by using computational fluid dynamics-discrete element method (CFD-DEM), and the motion of irregular particles flowing in a vertical pipe was obtained. Based on comparison of local concentration and local flow rate, it is found that with lower flow rate at the inlet, the shape of particles can bring a larger influence to local concentration; while with a higher feed concentration and lower inlet flow rate, the shape of particles can bring obvious influence to local flow rate.

deep sea mining  /  group of particles  /  pipeline transportation  /  vertical lift  /  irregular coarse particles  /  CFD-DEM
许明, 徐江敏, 卢道华, 汤雁冰. 深海采矿垂直管道内异形粗颗粒运动状况研究. 矿冶工程杂志, 2023 , 43 (3) : 42 -46 . DOI: 10.3969/j.issn.0253-6099.2023.03.010
Ming XU, Jiangmin XU, Daohua LU, Yanbing TANG. Motion of Irregular Coarse Particles in Vertical Pipelines During Deep Sea Mining[J]. Mining and Metallurgical Engineering, 2023 , 43 (3) : 42 -46 . DOI: 10.3969/j.issn.0253-6099.2023.03.010
2023年第43卷第3期
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doi: 10.3969/j.issn.0253-6099.2023.03.010
  • 接收时间:2022-12-03
  • 首发时间:2026-03-05
  • 出版时间:2023-06-01
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  • 收稿日期:2022-12-03
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作者信息
    1.江苏科技大学 机械工程学院,江苏 镇江 212000
    2.江苏科技大学 海洋装备研究院,江苏 镇江 212003

通讯作者:

徐江敏(1980—),男,江西湖口人,硕士,高级实验师,硕士研究生导师,主要研究方向为先进制造技术。
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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