Article(id=1223190868132221232, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221992, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1663862400000, receivedDateStr=2022-09-23, revisedDate=1670342400000, revisedDateStr=2022-12-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1769561028747, onlineDateStr=2026-01-28, pubDate=1695571200000, pubDateStr=2023-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769561028747, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769561028747, creator=13701087609, updateTime=1769561028747, updator=13701087609, issue=Issue{id=1223190866320278179, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='9', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769561028318, creator=13701087609, updateTime=1769562015483, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223195006870082478, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223195006870082479, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=116, endPage=119, ext={EN=ArticleExt(id=1223190868534874423, articleId=1223190868132221232, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Influence of FLUENT Rigid Vegetation Diameter on Water Flow Characteristics of Open Channel, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

In order to investigate the influence of the vegetation in beach and river bottom on the water flow characteristics at different time periods, under the condition of changing the vegetation diameter (6-10 mm) only, the numerical simulation was used to study the variation of vertical velocity distribution, contoured velocity, water level and intensity of turbulence along the way at different vegetation diameter. The results show that the vertical velocity distribution shows an "S" distribution in the vegetation zone and a "J" distribution outside the vegetation zone; In general, the larger the diameter is, the lower the overall velocity is, the more obvious the upstream congestion of the water level is, and the larger the water surface slope ratio is; The turbulence intensity is proportional to the vegetation diameter; The turbulence intensity of water flowing through the vegetation is greater than that of the vegetation channel when the vegetation diameter is the same.

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为探究岸滩及河底植被在不同时间段对水流特性的影响,在只改变植被直径变化(6~10 mm)的条件下采用数值模拟的方法研究了不同植被直径下的水流纵向流速的垂向分布、速度等值线分布、沿程水位分布及沿程紊流强度变化情况。结果表明,垂向流速分布在植被区内呈现“S”分布,在植被区外大致呈现“J”分布;且从总体上来看直径越大,水流整体速度越小,水位上游壅高越明显,水面坡比也越大;紊动强度与植被直径呈正比关系,且植被直径相同时水流过植被时的紊动强度大于植被通道处的紊动强度。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
石喜(1985-),男,博士、副教授,研究方向为工程水力学及计算水力学,E-mail:
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马健鑫(1997-),男,硕士研究生,研究方向为水利水电工程,E-mail:

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马健鑫(1997-),男,硕士研究生,研究方向为水利水电工程,E-mail:

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马健鑫(1997-),男,硕士研究生,研究方向为水利水电工程,E-mail:

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基于FLUENT刚性植被直径对明渠水流特性的影响
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马健鑫 , 石喜 , 谢晓刚 , 宋明聪
水电能源科学 | 水利水电工程 2023,41(9): 116-119
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水电能源科学 | 水利水电工程 2023, 41(9): 116-119
基于FLUENT刚性植被直径对明渠水流特性的影响
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马健鑫 , 石喜 , 谢晓刚, 宋明聪
作者信息
  • 兰州交通大学土木工程学院,甘肃 兰州 730070
  • 马健鑫(1997-),男,硕士研究生,研究方向为水利水电工程,E-mail:

通讯作者:

石喜(1985-),男,博士、副教授,研究方向为工程水力学及计算水力学,E-mail:
Study on Influence of FLUENT Rigid Vegetation Diameter on Water Flow Characteristics of Open Channel
Jian-xin MA , Xi SHI , Xiao-gang XIE, Ming-cong SONG
Affiliations
  • School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
出版时间: 2023-09-25 doi: 10.20040/j.cnki.1000-7709.2023.20221992
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为探究岸滩及河底植被在不同时间段对水流特性的影响,在只改变植被直径变化(6~10 mm)的条件下采用数值模拟的方法研究了不同植被直径下的水流纵向流速的垂向分布、速度等值线分布、沿程水位分布及沿程紊流强度变化情况。结果表明,垂向流速分布在植被区内呈现“S”分布,在植被区外大致呈现“J”分布;且从总体上来看直径越大,水流整体速度越小,水位上游壅高越明显,水面坡比也越大;紊动强度与植被直径呈正比关系,且植被直径相同时水流过植被时的紊动强度大于植被通道处的紊动强度。

刚性植被  /  植被直径  /  数值模拟  /  多相流  /  紊动强度

In order to investigate the influence of the vegetation in beach and river bottom on the water flow characteristics at different time periods, under the condition of changing the vegetation diameter (6-10 mm) only, the numerical simulation was used to study the variation of vertical velocity distribution, contoured velocity, water level and intensity of turbulence along the way at different vegetation diameter. The results show that the vertical velocity distribution shows an "S" distribution in the vegetation zone and a "J" distribution outside the vegetation zone; In general, the larger the diameter is, the lower the overall velocity is, the more obvious the upstream congestion of the water level is, and the larger the water surface slope ratio is; The turbulence intensity is proportional to the vegetation diameter; The turbulence intensity of water flowing through the vegetation is greater than that of the vegetation channel when the vegetation diameter is the same.

rigid vegetation  /  vegetation diameter  /  numerical simulation  /  multi-phase flow  /  turbulent strength
马健鑫, 石喜, 谢晓刚, 宋明聪. 基于FLUENT刚性植被直径对明渠水流特性的影响. 水电能源科学, 2023 , 41 (9) : 116 -119 . DOI: 10.20040/j.cnki.1000-7709.2023.20221992
Jian-xin MA, Xi SHI, Xiao-gang XIE, Ming-cong SONG. Study on Influence of FLUENT Rigid Vegetation Diameter on Water Flow Characteristics of Open Channel[J]. Water Resources and Power, 2023 , 41 (9) : 116 -119 . DOI: 10.20040/j.cnki.1000-7709.2023.20221992
  • 国家自然科学基金项目(51969011)
  • 甘肃省自然科学基金项目(20JR10RA239)
  • 甘肃省高等学校产业支撑计划项目(2022CYZC-32)
2023年第41卷第9期
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doi: 10.20040/j.cnki.1000-7709.2023.20221992
  • 接收时间:2022-09-23
  • 首发时间:2026-01-28
  • 出版时间:2023-09-25
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出版历史
  • 收稿日期:2022-09-23
  • 修回日期:2022-12-07
基金
国家自然科学基金项目(51969011)
甘肃省自然科学基金项目(20JR10RA239)
甘肃省高等学校产业支撑计划项目(2022CYZC-32)
作者信息
    兰州交通大学土木工程学院,甘肃 兰州 730070

通讯作者:

石喜(1985-),男,博士、副教授,研究方向为工程水力学及计算水力学,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2023.20221992
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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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