Article(id=1223210589049180194, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221705, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1657468800000, receivedDateStr=2022-07-11, revisedDate=1661875200000, revisedDateStr=2022-08-31, acceptedDate=null, acceptedDateStr=null, onlineDate=1769565730583, onlineDateStr=2026-01-28, pubDate=1687622400000, pubDateStr=2023-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769565730583, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769565730583, creator=13701087609, updateTime=1769565730583, updator=13701087609, issue=Issue{id=1223210584024400210, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='6', 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=1769565729385, creator=13701087609, updateTime=1769593153259, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223325608164348105, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223325608164348106, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=171, endPage=174, ext={EN=ArticleExt(id=1223210589435056199, articleId=1223210589049180194, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Research on Internal Flow Characteristic of Fixed Guide Blade and Variable Paddle of Bulb Tubular Turbine Based on CFD, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

To study the internal flow characteristics of bulb tubular turbine with different blade opening structures under large medium and small flow conditions, and to make theoretical support for the optimization of the flow passage components structure and the coordinated relationship, the research indexes were taken as three-dimensional streamline distribution, central meridian plane streamline distribution and central meridian plane pressure distribution. The results indicated that the maximum flow velocity existed at the runner of the bulb tubular turbine in the flow pattern analysis, and the flow pattern was chaotic, which was the focus of efficiency optimization. The reason of vortex in the draft tube was analyzed, and it could be optimized by reducing the dead water area. The internal pressure showed an overall decline tendency from the inlet channel to the draft tube. The pressure value at the runner discharge cone was the smallest. The pressure in the draft tube gradually increased along the flow direction, and the highest pressure value was 82 464.15 Pa when the flow rate reached 124.92 m3/s. The calculation results can provide a reference basis for the modification and optimization of the bulb tubular turbine.

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为研究灯泡贯流式水轮机不同桨叶开度结构在大中小流量工况下的内流特性,以三维流线分布、中心子午面流线分布及中心子午面压力分布为研究指标,对过流部件结构和协联关系优化做理论支持。结果表明,流态分析中灯泡贯流式水轮机转轮处流速最大、流态混乱,为效率优化重点,并分析了尾水管内产生涡旋的原因,提出可通过减小死水区域达到优化效果;压力分析中内部压力从进水流道到尾水管总体呈减小趋势,经计算转轮泄水锥处压力值最小;尾水管中沿水流方向压力逐步增大,当流量达到124.92 m3/s时,最高压力值为82 464.15 Pa。该计算结果及分析为灯泡贯流式水轮机改造优化提供了参考依据。

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牧振伟(1970-),男,博士、教授、博导,研究方向为水力学及河流动力学,E-mail:
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郭彤(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CFD灯泡贯流式水轮机定导变桨内流特性研究
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郭彤 1, 2 , 牧振伟 1, 2 , 夏庆成 1, 2 , 贵辛未 1, 2 , 李泽发 1, 2
水电能源科学 | 机电与控制工程 2023,41(6): 171-174
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水电能源科学 | 机电与控制工程 2023, 41(6): 171-174
基于CFD灯泡贯流式水轮机定导变桨内流特性研究
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郭彤1, 2 , 牧振伟1, 2 , 夏庆成1, 2, 贵辛未1, 2, 李泽发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
  • 郭彤(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(1970-),男,博士、教授、博导,研究方向为水力学及河流动力学,E-mail:
Research on Internal Flow Characteristic of Fixed Guide Blade and Variable Paddle of Bulb Tubular Turbine Based on CFD
Tong GUO1, 2 , Zhen-wei MU1, 2 , Qing-cheng XIA1, 2, Xin-wei GUI1, 2, Ze-fa LI1, 2
Affiliations
  • 1.School of Water Resources and Civil Engineering, Xinjiang Agricultural University, Urumqi 830052, China
  • 2.Xinjiang Key Laboratory of Water Resources Engineering Safety and Water Disaster Prevention, Urumqi 830052, China
出版时间: 2023-06-25 doi: 10.20040/j.cnki.1000-7709.2023.20221705
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为研究灯泡贯流式水轮机不同桨叶开度结构在大中小流量工况下的内流特性,以三维流线分布、中心子午面流线分布及中心子午面压力分布为研究指标,对过流部件结构和协联关系优化做理论支持。结果表明,流态分析中灯泡贯流式水轮机转轮处流速最大、流态混乱,为效率优化重点,并分析了尾水管内产生涡旋的原因,提出可通过减小死水区域达到优化效果;压力分析中内部压力从进水流道到尾水管总体呈减小趋势,经计算转轮泄水锥处压力值最小;尾水管中沿水流方向压力逐步增大,当流量达到124.92 m3/s时,最高压力值为82 464.15 Pa。该计算结果及分析为灯泡贯流式水轮机改造优化提供了参考依据。

灯泡贯流式水轮机  /  定导变桨  /  内流特性  /  数值模拟

To study the internal flow characteristics of bulb tubular turbine with different blade opening structures under large medium and small flow conditions, and to make theoretical support for the optimization of the flow passage components structure and the coordinated relationship, the research indexes were taken as three-dimensional streamline distribution, central meridian plane streamline distribution and central meridian plane pressure distribution. The results indicated that the maximum flow velocity existed at the runner of the bulb tubular turbine in the flow pattern analysis, and the flow pattern was chaotic, which was the focus of efficiency optimization. The reason of vortex in the draft tube was analyzed, and it could be optimized by reducing the dead water area. The internal pressure showed an overall decline tendency from the inlet channel to the draft tube. The pressure value at the runner discharge cone was the smallest. The pressure in the draft tube gradually increased along the flow direction, and the highest pressure value was 82 464.15 Pa when the flow rate reached 124.92 m3/s. The calculation results can provide a reference basis for the modification and optimization of the bulb tubular turbine.

bulb tubular turbine  /  fixed guide blade and variable paddle  /  internal flow characteristics  /  numerical simulation
郭彤, 牧振伟, 夏庆成, 贵辛未, 李泽发. 基于CFD灯泡贯流式水轮机定导变桨内流特性研究. 水电能源科学, 2023 , 41 (6) : 171 -174 . DOI: 10.20040/j.cnki.1000-7709.2023.20221705
Tong GUO, Zhen-wei MU, Qing-cheng XIA, Xin-wei GUI, Ze-fa LI. Research on Internal Flow Characteristic of Fixed Guide Blade and Variable Paddle of Bulb Tubular Turbine Based on CFD[J]. Water Resources and Power, 2023 , 41 (6) : 171 -174 . DOI: 10.20040/j.cnki.1000-7709.2023.20221705
2023年第41卷第6期
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doi: 10.20040/j.cnki.1000-7709.2023.20221705
  • 接收时间:2022-07-11
  • 首发时间:2026-01-28
  • 出版时间:2023-06-25
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  • 收稿日期:2022-07-11
  • 修回日期:2022-08-31
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    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(1970-),男,博士、教授、博导,研究方向为水力学及河流动力学,E-mail:
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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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