Article(id=1223190875077984278, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223190866320278179, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222197, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1666108800000, receivedDateStr=2022-10-19, revisedDate=1668009600000, revisedDateStr=2022-11-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1769561030405, onlineDateStr=2026-01-28, pubDate=1695571200000, pubDateStr=2023-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769561030405, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769561030405, creator=13701087609, updateTime=1769561030405, 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=103, endPage=106, ext={EN=ArticleExt(id=1223190875493220419, articleId=1223190875077984278, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Numerical Simulation of Hydraulic Characteristics and Structural Optimization of T-shaped Pier Stilling Pool, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

The water flow disorder, shock, spray splashing out of the side wall and incomplete water jump are often caused by insufficient discharge energy dissipation in the pool. In order to solve this problem, the influence law of the layout of T-shaped pier and its parameter variation on the hydraulic characteristics in the ballast tank was studied by using the model test method and numerical simulation. The results show that the energy dissipation rate increases with the increase of the length of T-shaped pier legs; The water depth increases with the installation of the impingement baffle, and the efficiency increases, and the energy dissipation rate decreases with the increase of the impingement baffle; The flow state of the water in the stilling pool is stable after the double-row T-shaped piers are arranged, and the energy dissipation increases first and then decreases with the increase of the distance between the front and back. According to the simulation results, a reasonable scheme is recommended and verified by model test. The results show that the energy dissipation rate of the recommended scheme reaches 76.06%, which increases by 12.51%. The flow state is stable and meets the engineering requirements.

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泄水建筑物下游消力池内的水流常因泄流消能不足而引起流态紊乱、震荡,出现浪花溅出边墙等现象,进而影响下游建筑物的安全稳定,因此在消力池尺寸受限无法增加的情况下,工程上经常采用诸如T型墩等辅助消能工来改善消力池内的流态,增加消能效果。采用数值模拟和模型试验相结合的方法,研究了T型墩的布置方式及主要尺寸参数变化对消力池内水流流场的影响规律。结果表明,消力池消能率随T型墩支腿长度增大而增大,设置防冲板的T型墩可增加消力池内的水深,消能效果有所提升,但消能率随防冲板长度的增大而降低;布置双排T型墩后池内流态稳定,且随前后间距增大,消能率先增大后减小。根据模拟结果推荐了合理的方案并进行模型试验验证,结果显示推荐方案消能率达到76.06%,较原方案提升了12.51%,且池内流态稳定,满足工程需求。

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金瑾(1980-),女,博士、教授,研究方向为工程水力学,E-mail:
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刘增文(1996-),男,硕士研究生,研究方向为工程水力学,E-mail:

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刘增文(1996-),男,硕士研究生,研究方向为工程水力学,E-mail:

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刘增文(1996-),男,硕士研究生,研究方向为工程水力学,E-mail:

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T型墩消力池水力特性数值模拟及结构优化
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刘增文 1 , 金瑾 1, 2 , 严文博 1 , 李强 1
水电能源科学 | 水利水电工程 2023,41(9): 103-106
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水电能源科学 | 水利水电工程 2023, 41(9): 103-106
T型墩消力池水力特性数值模拟及结构优化
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刘增文1 , 金瑾1, 2 , 严文博1, 李强1
作者信息
  • 1.石河子大学水利建筑工程学院,新疆 石河子 832003
  • 2.寒旱区生态水利工程兵团重点实验室,新疆 石河子 832003
  • 刘增文(1996-),男,硕士研究生,研究方向为工程水力学,E-mail:

通讯作者:

金瑾(1980-),女,博士、教授,研究方向为工程水力学,E-mail:
Numerical Simulation of Hydraulic Characteristics and Structural Optimization of T-shaped Pier Stilling Pool
Zeng-wen LIU1 , Jin JIN1, 2 , Wen-bo YAN1, Qiang LI1
Affiliations
  • 1.College of Water Conservancy and Architectural Engineering, Shihezi University, Shihezi 832003, China
  • 2.Key Laboratory of Cold and Arid Regions Eco-Hydraulic Engineering of Xinjiang Production & Construction Corps, Shihezi 832003, China
出版时间: 2023-09-25 doi: 10.20040/j.cnki.1000-7709.2023.20222197
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泄水建筑物下游消力池内的水流常因泄流消能不足而引起流态紊乱、震荡,出现浪花溅出边墙等现象,进而影响下游建筑物的安全稳定,因此在消力池尺寸受限无法增加的情况下,工程上经常采用诸如T型墩等辅助消能工来改善消力池内的流态,增加消能效果。采用数值模拟和模型试验相结合的方法,研究了T型墩的布置方式及主要尺寸参数变化对消力池内水流流场的影响规律。结果表明,消力池消能率随T型墩支腿长度增大而增大,设置防冲板的T型墩可增加消力池内的水深,消能效果有所提升,但消能率随防冲板长度的增大而降低;布置双排T型墩后池内流态稳定,且随前后间距增大,消能率先增大后减小。根据模拟结果推荐了合理的方案并进行模型试验验证,结果显示推荐方案消能率达到76.06%,较原方案提升了12.51%,且池内流态稳定,满足工程需求。

消力池  /  T型墩  /  结构  /  数值模拟  /  消能效果

The water flow disorder, shock, spray splashing out of the side wall and incomplete water jump are often caused by insufficient discharge energy dissipation in the pool. In order to solve this problem, the influence law of the layout of T-shaped pier and its parameter variation on the hydraulic characteristics in the ballast tank was studied by using the model test method and numerical simulation. The results show that the energy dissipation rate increases with the increase of the length of T-shaped pier legs; The water depth increases with the installation of the impingement baffle, and the efficiency increases, and the energy dissipation rate decreases with the increase of the impingement baffle; The flow state of the water in the stilling pool is stable after the double-row T-shaped piers are arranged, and the energy dissipation increases first and then decreases with the increase of the distance between the front and back. According to the simulation results, a reasonable scheme is recommended and verified by model test. The results show that the energy dissipation rate of the recommended scheme reaches 76.06%, which increases by 12.51%. The flow state is stable and meets the engineering requirements.

stilling pool  /  T-shaped pier  /  structure  /  numerical simulation  /  effect of energy dissipation
刘增文, 金瑾, 严文博, 李强. T型墩消力池水力特性数值模拟及结构优化. 水电能源科学, 2023 , 41 (9) : 103 -106 . DOI: 10.20040/j.cnki.1000-7709.2023.20222197
Zeng-wen LIU, Jin JIN, Wen-bo YAN, Qiang LI. Numerical Simulation of Hydraulic Characteristics and Structural Optimization of T-shaped Pier Stilling Pool[J]. Water Resources and Power, 2023 , 41 (9) : 103 -106 . DOI: 10.20040/j.cnki.1000-7709.2023.20222197
  • 石河子大学高层次人才科研启动项目(RCZK202025)
  • 兵团科技创新人才计划项目(2022CB002-05)
  • 国家自然科学基金项目(11562018)
2023年第41卷第9期
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doi: 10.20040/j.cnki.1000-7709.2023.20222197
  • 接收时间:2022-10-19
  • 首发时间:2026-01-28
  • 出版时间:2023-09-25
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  • 收稿日期:2022-10-19
  • 修回日期:2022-11-10
基金
石河子大学高层次人才科研启动项目(RCZK202025)
兵团科技创新人才计划项目(2022CB002-05)
国家自然科学基金项目(11562018)
作者信息
    1.石河子大学水利建筑工程学院,新疆 石河子 832003
    2.寒旱区生态水利工程兵团重点实验室,新疆 石河子 832003

通讯作者:

金瑾(1980-),女,博士、教授,研究方向为工程水力学,E-mail:
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2种不同金属材料的力学参数

Family
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Number of
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种数
Number of
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占总种数比例
Percentage of
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Genus
种数
Number of
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Percentage of total
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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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