Article(id=1223185964617548465, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221076, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1652976000000, receivedDateStr=2022-05-20, revisedDate=1655049600000, revisedDateStr=2022-06-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1769559859661, onlineDateStr=2026-01-28, pubDate=1679673600000, pubDateStr=2023-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769559859661, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769559859661, creator=13701087609, updateTime=1769559859661, 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=181, endPage=185, ext={EN=ArticleExt(id=1223185965406077650, articleId=1223185964617548465, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Runner Optimization of Bulb Tubular Turbine in A Certain Power Station, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

A turbine runner of a certain power station often produces cracks due to excessive blade stress, which threat to the safe operation of the unit seriously. To solve the problem of the turbine runner blade stress, based on RNGk- ε turbulence model, the modeling and mesh of turbine components were carried out for a bulb tubular turbine. Through the runner blade thickening and angle optimization, CFD technology was used to optimize runner hydraulic performance and strength comparative analysis. The results show that the stress and deformation of the optimized runner blade are greatly improved, which meets the actual engineering needs and can effectively avoid the generation of runner cracks.

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某电站水轮机转轮由于叶片应力过大而经常产生裂纹,严重威胁机组安全运行,为解决该电站水轮机转轮叶片应力过大的问题,以该电站灯泡贯流式水轮机为例,基于RNG κ-ε湍流模型,对水轮机各个部件进行建模、网格划分,通过对转轮叶片的加厚与修角优化处理,利用CFD技术对优化前后转轮水力性能及刚强度进行对比分析。结果表明,优化后转轮叶片应力与变形得到较大改善,符合工程实际需要,可有效避免转轮裂纹的产生。

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韦正鹏(1995-),男,硕士、工程师,研究方向为流体机械仿真计算,E-mail:

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韦正鹏(1995-),男,硕士、工程师,研究方向为流体机械仿真计算,E-mail:

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韦正鹏(1995-),男,硕士、工程师,研究方向为流体机械仿真计算,E-mail:

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某电站灯泡贯流式水轮机转轮优化研究
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韦正鹏 1 , 孟鹏 1 , 陈文清 2 , 李林伟 1 , 刘阳 1
水电能源科学 | 机电与控制工程 2023,41(3): 181-185
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水电能源科学 | 机电与控制工程 2023, 41(3): 181-185
某电站灯泡贯流式水轮机转轮优化研究
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韦正鹏1 , 孟鹏1, 陈文清2, 李林伟1, 刘阳1
作者信息
  • 1.华电电力科学研究院有限公司,浙江 杭州 310012
  • 2.池潭水力发电厂,福建 三明 365000
  • 韦正鹏(1995-),男,硕士、工程师,研究方向为流体机械仿真计算,E-mail:

Study on Runner Optimization of Bulb Tubular Turbine in A Certain Power Station
Zheng-peng WEI1 , Peng MENG1, Wen-qing CHEN2, Lin-wei LI1, Yang LIU1
Affiliations
  • 1.Huadian Electric Power Research Institute Co., LTD., Hangzhou 310012, China
  • 2.Chitan Hydro Power Plant, Sanming 365000, China
出版时间: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20221076
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某电站水轮机转轮由于叶片应力过大而经常产生裂纹,严重威胁机组安全运行,为解决该电站水轮机转轮叶片应力过大的问题,以该电站灯泡贯流式水轮机为例,基于RNG κ-ε湍流模型,对水轮机各个部件进行建模、网格划分,通过对转轮叶片的加厚与修角优化处理,利用CFD技术对优化前后转轮水力性能及刚强度进行对比分析。结果表明,优化后转轮叶片应力与变形得到较大改善,符合工程实际需要,可有效避免转轮裂纹的产生。

贯流式水轮机  /  优化  /  水力性能  /  流场分析  /  刚强度

A turbine runner of a certain power station often produces cracks due to excessive blade stress, which threat to the safe operation of the unit seriously. To solve the problem of the turbine runner blade stress, based on RNGk- ε turbulence model, the modeling and mesh of turbine components were carried out for a bulb tubular turbine. Through the runner blade thickening and angle optimization, CFD technology was used to optimize runner hydraulic performance and strength comparative analysis. The results show that the stress and deformation of the optimized runner blade are greatly improved, which meets the actual engineering needs and can effectively avoid the generation of runner cracks.

tubular turbine  /  optimization  /  hydraulic performance  /  flow field analysis  /  stiffness and strength
韦正鹏, 孟鹏, 陈文清, 李林伟, 刘阳. 某电站灯泡贯流式水轮机转轮优化研究. 水电能源科学, 2023 , 41 (3) : 181 -185 . DOI: 10.20040/j.cnki.1000-7709.2023.20221076
Zheng-peng WEI, Peng MENG, Wen-qing CHEN, Lin-wei LI, Yang LIU. Study on Runner Optimization of Bulb Tubular Turbine in A Certain Power Station[J]. Water Resources and Power, 2023 , 41 (3) : 181 -185 . DOI: 10.20040/j.cnki.1000-7709.2023.20221076
  • 中国华电集团科技项目(CHDKJ21-01-13)
2023年第41卷第3期
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doi: 10.20040/j.cnki.1000-7709.2023.20221076
  • 接收时间:2022-05-20
  • 首发时间:2026-01-28
  • 出版时间:2023-03-25
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  • 收稿日期:2022-05-20
  • 修回日期:2022-06-13
基金
中国华电集团科技项目(CHDKJ21-01-13)
作者信息
    1.华电电力科学研究院有限公司,浙江 杭州 310012
    2.池潭水力发电厂,福建 三明 365000
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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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