Article(id=1223201257947517562, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221483, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1658073600000, receivedDateStr=2022-07-18, revisedDate=1664899200000, revisedDateStr=2022-10-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563505875, onlineDateStr=2026-01-28, pubDate=1690214400000, pubDateStr=2023-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563505875, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563505875, creator=13701087609, updateTime=1769563505875, updator=13701087609, issue=Issue{id=1223201250133524577, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='7', 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=1769563504012, creator=13701087609, updateTime=1769563583713, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223201584469885927, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223201584469885928, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=141, endPage=145, ext={EN=ArticleExt(id=1223201261076468547, articleId=1223201257947517562, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Hydraulic Characteristic and Structural Optimization of Flow in 180° Turning Pools for Vertical Slot Fishways, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

In view of the problem that the current 180° turning pool of the fishway has poor flow condition and affects the fish's upward tracing, the water flow condition was improved by extending the length of the upstream and downstream of the turning section and adding the staggered guide plate. Based on the study of a certain vertical slot fishway, numerical simulation was used to research on the distribution of flow regime, velocity, turbulent kinetic energy and turbulent dissipation rate of four turning pool structures. The results indicate that extending the length of the upstream and downstream of the turning section and adding the staggered guide plate can effectively guide the mainstream to center, maintain the stability of the mainstream and avoid the formation of a large-scale recirculation zone, and it is beneficial to migratory fish. The results of this study can provide reference for the reconstruction and design of fishway.

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针对目前鱼道180°转弯段存在水流条件差、影响鱼类上溯的问题,通过延长转弯段上下游长度并增设整流导板来改善水流条件。结合国内某竖缝式鱼道工程设计,采用数值模拟的方法研究了四种转弯段结构水流流态、流速、紊动能和紊动耗散率分布问题。结果表明,延长转弯段上下游长度的同时增设整流导板可有效引导主流居中,维持主流稳定,避免转弯段内产生大尺度回流区,具有良好的上溯条件。研究结果可为鱼道工程改造和设计提供参考。

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谭均军(1985-),女,博士、副教授、硕导,研究方向为生态水利学,E-mail:
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杨超(1998-),男,硕士研究生,研究方向为生态水利学,E-mail:

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竖缝式鱼道180°转弯段水力特性与结构优化研究
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杨超 a, b , 谭均军 a, b , 刘振彪 a, b , 王渊洋 a, b , 石小涛 a, b
水电能源科学 | 水利水电工程 2023,41(7): 141-145
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水电能源科学 | 水利水电工程 2023, 41(7): 141-145
竖缝式鱼道180°转弯段水力特性与结构优化研究
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杨超a, b , 谭均军a, b , 刘振彪a, b, 王渊洋a, b, 石小涛a, b
作者信息
  • a.三峡大学湖北省鱼类过坝技术国际科技合作基地,湖北 宜昌 443002
  • b.三峡大学水利与环境学院,湖北 宜昌 443002
  • 杨超(1998-),男,硕士研究生,研究方向为生态水利学,E-mail:

通讯作者:

谭均军(1985-),女,博士、副教授、硕导,研究方向为生态水利学,E-mail:
Study on Hydraulic Characteristic and Structural Optimization of Flow in 180° Turning Pools for Vertical Slot Fishways
Chao YANGa, b , Jun-jun TANa, b , Zhen-biao LIUa, b, Yuan-yang WANGa, b, Xiao-tao SHIa, b
Affiliations
  • a.Hubei International Science and Technology Cooperation Base of Fish Passage, China Three Gorges University, Yichang 443002, China
  • b.College of Hydraulic and Environmental Engineering, China Three Gorges University, Yichang 443002, China
出版时间: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20221483
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针对目前鱼道180°转弯段存在水流条件差、影响鱼类上溯的问题,通过延长转弯段上下游长度并增设整流导板来改善水流条件。结合国内某竖缝式鱼道工程设计,采用数值模拟的方法研究了四种转弯段结构水流流态、流速、紊动能和紊动耗散率分布问题。结果表明,延长转弯段上下游长度的同时增设整流导板可有效引导主流居中,维持主流稳定,避免转弯段内产生大尺度回流区,具有良好的上溯条件。研究结果可为鱼道工程改造和设计提供参考。

竖缝式鱼道  /  180°转弯段  /  数值模拟  /  水力特性  /  结构优化

In view of the problem that the current 180° turning pool of the fishway has poor flow condition and affects the fish's upward tracing, the water flow condition was improved by extending the length of the upstream and downstream of the turning section and adding the staggered guide plate. Based on the study of a certain vertical slot fishway, numerical simulation was used to research on the distribution of flow regime, velocity, turbulent kinetic energy and turbulent dissipation rate of four turning pool structures. The results indicate that extending the length of the upstream and downstream of the turning section and adding the staggered guide plate can effectively guide the mainstream to center, maintain the stability of the mainstream and avoid the formation of a large-scale recirculation zone, and it is beneficial to migratory fish. The results of this study can provide reference for the reconstruction and design of fishway.

vertical slot fishway  /  180°turning pool  /  numerical simulation  /  hydraulic characteristic  /  structural optimization
杨超, 谭均军, 刘振彪, 王渊洋, 石小涛. 竖缝式鱼道180°转弯段水力特性与结构优化研究. 水电能源科学, 2023 , 41 (7) : 141 -145 . DOI: 10.20040/j.cnki.1000-7709.2023.20221483
Chao YANG, Jun-jun TAN, Zhen-biao LIU, Yuan-yang WANG, Xiao-tao SHI. Study on Hydraulic Characteristic and Structural Optimization of Flow in 180° Turning Pools for Vertical Slot Fishways[J]. Water Resources and Power, 2023 , 41 (7) : 141 -145 . DOI: 10.20040/j.cnki.1000-7709.2023.20221483
  • 国家自然科学基金项目(52179070)
  • 国家自然科学基金优秀青年科学基金项目(51922065)
  • 湖北省鱼类过坝技术国际科技合作基地开放基金课题(HIBF-2020007)
2023年第41卷第7期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20221483
  • 接收时间:2022-07-18
  • 首发时间:2026-01-28
  • 出版时间:2023-07-25
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出版历史
  • 收稿日期:2022-07-18
  • 修回日期:2022-10-05
基金
国家自然科学基金项目(52179070)
国家自然科学基金优秀青年科学基金项目(51922065)
湖北省鱼类过坝技术国际科技合作基地开放基金课题(HIBF-2020007)
作者信息
    a.三峡大学湖北省鱼类过坝技术国际科技合作基地,湖北 宜昌 443002
    b.三峡大学水利与环境学院,湖北 宜昌 443002

通讯作者:

谭均军(1985-),女,博士、副教授、硕导,研究方向为生态水利学,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2023.20221483
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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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