Article(id=1223185968522445650, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221096, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1653235200000, receivedDateStr=2022-05-23, revisedDate=1656518400000, revisedDateStr=2022-06-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1769559860591, onlineDateStr=2026-01-28, pubDate=1679673600000, pubDateStr=2023-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769559860591, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769559860591, creator=13701087609, updateTime=1769559860591, updator=13701087609, issue=Issue{id=1223185958363841064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='3', 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=1769559858149, creator=13701087609, updateTime=1769561242661, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223191765415477785, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223191765415477786, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=108, endPage=111, ext={EN=ArticleExt(id=1223185969877205937, articleId=1223185968522445650, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Numerical Simulation of Spillway Aerator Position Based on VOF Model, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

In order to solve the cavitation damage problem of the spillway with high head, three schemes were proposed. The aeration tank was added at pile number 0+130.73, 0+161.78 and 0+186.39, respectively, and the corresponding Fr was 6.65, 7.91 and 8.53. By means of RNG κ-ε turbulence model and physical model test, the aeration concentration and cavitation number indexes of the section prone to cavitation erosion were analyzed. The results show that the effect of adding aerator at pile 0+186.39 is better than the other two schemes, and the bottom aeration concentration is above 15% and the flow cavitation number is greater than 0.3 in the section prone to cavitation erosion, the cavitation failure problem in the drainage channel section can be effectively solved.

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为解决高水头溢洪道空蚀破坏问题,设计了3种方案,分别在桩号0+130.73、0+161.78、0+186.39处加设掺气槽,其对应的弗劳德数Fr分别为6.65、7.91、8.53,并采用RNG κ-ε紊流模型和物理模型试验的方法,分析易发生空蚀破坏断面的掺气浓度及沿程水流空化数指标。结果表明,在桩号0+186.39处加设掺气槽,在易发生空蚀破坏截面临底掺气浓度大于15%,沿程水流空化数均大于0.3,效果优于其他2种方案,可有效解决溢洪道空蚀破坏问题。

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牧振伟(1973-),男,教授、博导,研究方向为水力学及河流动力学,E-mail:
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周凯(1997-),男,硕士研究生,研究方向为水力学及河流动力学,E-mail:

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周凯(1997-),男,硕士研究生,研究方向为水力学及河流动力学,E-mail:

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基于VOF模型溢洪道掺气槽位置数值模拟
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周凯 1, 2 , 牧振伟 1, 2 , 张红红 1, 2
水电能源科学 | 水利水电工程 2023,41(3): 108-111
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水电能源科学 | 水利水电工程 2023, 41(3): 108-111
基于VOF模型溢洪道掺气槽位置数值模拟
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周凯1, 2 , 牧振伟1, 2 , 张红红1, 2
作者信息
  • 1.新疆农业大学水利与土木工程学院,新疆 乌鲁木齐 830052
  • 2.新疆水利工程安全与水灾害防治重点实验室,新疆 乌鲁木齐 830052
  • 周凯(1997-),男,硕士研究生,研究方向为水力学及河流动力学,E-mail:

通讯作者:

牧振伟(1973-),男,教授、博导,研究方向为水力学及河流动力学,E-mail:
Numerical Simulation of Spillway Aerator Position Based on VOF Model
Kai ZHOU1, 2 , Zhen-wei MU1, 2 , Hong-hong ZHANG1, 2
Affiliations
  • 1.College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi 830052, China
  • 2.Xinjiang Key Laboratory of Hydraulic Engineering Security and Water Disasters Prevention, Urumqi 830052, China
出版时间: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20221096
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为解决高水头溢洪道空蚀破坏问题,设计了3种方案,分别在桩号0+130.73、0+161.78、0+186.39处加设掺气槽,其对应的弗劳德数Fr分别为6.65、7.91、8.53,并采用RNG κ-ε紊流模型和物理模型试验的方法,分析易发生空蚀破坏断面的掺气浓度及沿程水流空化数指标。结果表明,在桩号0+186.39处加设掺气槽,在易发生空蚀破坏截面临底掺气浓度大于15%,沿程水流空化数均大于0.3,效果优于其他2种方案,可有效解决溢洪道空蚀破坏问题。

溢洪道  /  掺气槽位置  /  VOF模型  /  弗劳德数Fr  /  掺气浓度分布

In order to solve the cavitation damage problem of the spillway with high head, three schemes were proposed. The aeration tank was added at pile number 0+130.73, 0+161.78 and 0+186.39, respectively, and the corresponding Fr was 6.65, 7.91 and 8.53. By means of RNG κ-ε turbulence model and physical model test, the aeration concentration and cavitation number indexes of the section prone to cavitation erosion were analyzed. The results show that the effect of adding aerator at pile 0+186.39 is better than the other two schemes, and the bottom aeration concentration is above 15% and the flow cavitation number is greater than 0.3 in the section prone to cavitation erosion, the cavitation failure problem in the drainage channel section can be effectively solved.

spillway  /  aerator slot position  /  VOF model  /  Freund number Fr  /  aeration concentration distribution
周凯, 牧振伟, 张红红. 基于VOF模型溢洪道掺气槽位置数值模拟. 水电能源科学, 2023 , 41 (3) : 108 -111 . DOI: 10.20040/j.cnki.1000-7709.2023.20221096
Kai ZHOU, Zhen-wei MU, Hong-hong ZHANG. Numerical Simulation of Spillway Aerator Position Based on VOF Model[J]. Water Resources and Power, 2023 , 41 (3) : 108 -111 . DOI: 10.20040/j.cnki.1000-7709.2023.20221096
  • 国家自然科学基金项目(51769037)
  • 新疆维吾尔自治区高校科研计划创新团队项目(XJEDU2017T004)
2023年第41卷第3期
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doi: 10.20040/j.cnki.1000-7709.2023.20221096
  • 接收时间:2022-05-23
  • 首发时间:2026-01-28
  • 出版时间:2023-03-25
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  • 收稿日期:2022-05-23
  • 修回日期:2022-06-30
基金
国家自然科学基金项目(51769037)
新疆维吾尔自治区高校科研计划创新团队项目(XJEDU2017T004)
作者信息
    1.新疆农业大学水利与土木工程学院,新疆 乌鲁木齐 830052
    2.新疆水利工程安全与水灾害防治重点实验室,新疆 乌鲁木齐 830052

通讯作者:

牧振伟(1973-),男,教授、博导,研究方向为水力学及河流动力学,E-mail:
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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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