Article(id=1223185966635008755, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221302, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1655913600000, receivedDateStr=2022-06-23, revisedDate=1663862400000, revisedDateStr=2022-09-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1769559860142, onlineDateStr=2026-01-28, pubDate=1679673600000, pubDateStr=2023-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769559860142, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769559860142, creator=13701087609, updateTime=1769559860142, 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=172, endPage=175, ext={EN=ArticleExt(id=1223185971177440247, articleId=1223185966635008755, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Design of Fully Elliptical Volute for Pump Turbines with CFD Analysis, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

Taking the mixed-flow pump turbine as the research object, a fully elliptical volute was designed, which could meet the working conditions of the turbine and the pump. The ratio of the length and short half axis of the elliptical section of the volute was guaranteed to be fixed. The worm shell was designed by its outlet circumferential velocity and the circumferential velocity moment of each section, and the relationship between the size and flow rate of each section of the volute was given. Through CFD numerical simulation, the variation law of the circumferential velocity of the volute outlet and the circumferential velocity moment of each section was obtained. The distribution law of the velocity and pressure inside the volute was summarized, and the simulation results meet the design requirements, which has high practical application value.

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以混流式水泵水轮机为研究对象,设计出一种能够同时满足水轮机与水泵工况的全椭圆蜗壳,保证蜗壳椭圆截面的长短半轴之比为定值。通过蜗壳出口圆周速度与各断面的圆周速度矩为定值设计,并给出蜗壳各截面尺寸与流量之间的关系式。通过CFD数值模拟,得出蜗壳出口圆周速度与各截面圆周速度矩的变化规律,并总结出蜗壳内部的速度与压力的分布规律,模拟结果满足设计要求,具有很高的实际应用价值。

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屈波(1966-),男,副教授、硕导,研究方向为流体机械状态监测及故障诊断,E-mail:
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左鹏程(1998-),男,硕士研究生,研究方向为流体机械及工程,E-mail:

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左鹏程(1998-),男,硕士研究生,研究方向为流体机械及工程,E-mail:

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左鹏程(1998-),男,硕士研究生,研究方向为流体机械及工程,E-mail:

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水泵水轮机全椭圆蜗壳的设计与CFD分析
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左鹏程 , 屈波 , 花港 , 姚雨凡 , 金知雨
水电能源科学 | 机电与控制工程 2023,41(3): 172-175
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水电能源科学 | 机电与控制工程 2023, 41(3): 172-175
水泵水轮机全椭圆蜗壳的设计与CFD分析
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左鹏程 , 屈波 , 花港, 姚雨凡, 金知雨
作者信息
  • 河海大学能源与电气学院,江苏 南京 211100
  • 左鹏程(1998-),男,硕士研究生,研究方向为流体机械及工程,E-mail:

通讯作者:

屈波(1966-),男,副教授、硕导,研究方向为流体机械状态监测及故障诊断,E-mail:
Design of Fully Elliptical Volute for Pump Turbines with CFD Analysis
Peng-cheng ZUO , Bo QU , Gang HUA, Yu-fan YAO, Zhi-yu JIN
Affiliations
  • College of Energy and Electricity, Hohai University, Nanjing 211100, China
出版时间: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20221302
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以混流式水泵水轮机为研究对象,设计出一种能够同时满足水轮机与水泵工况的全椭圆蜗壳,保证蜗壳椭圆截面的长短半轴之比为定值。通过蜗壳出口圆周速度与各断面的圆周速度矩为定值设计,并给出蜗壳各截面尺寸与流量之间的关系式。通过CFD数值模拟,得出蜗壳出口圆周速度与各截面圆周速度矩的变化规律,并总结出蜗壳内部的速度与压力的分布规律,模拟结果满足设计要求,具有很高的实际应用价值。

水泵水轮机  /  椭圆蜗壳  /  水力损失  /  数值模拟

Taking the mixed-flow pump turbine as the research object, a fully elliptical volute was designed, which could meet the working conditions of the turbine and the pump. The ratio of the length and short half axis of the elliptical section of the volute was guaranteed to be fixed. The worm shell was designed by its outlet circumferential velocity and the circumferential velocity moment of each section, and the relationship between the size and flow rate of each section of the volute was given. Through CFD numerical simulation, the variation law of the circumferential velocity of the volute outlet and the circumferential velocity moment of each section was obtained. The distribution law of the velocity and pressure inside the volute was summarized, and the simulation results meet the design requirements, which has high practical application value.

pump turbine  /  elliptical spiral casing  /  hydraulic loss  /  numerical simulation
左鹏程, 屈波, 花港, 姚雨凡, 金知雨. 水泵水轮机全椭圆蜗壳的设计与CFD分析. 水电能源科学, 2023 , 41 (3) : 172 -175 . DOI: 10.20040/j.cnki.1000-7709.2023.20221302
Peng-cheng ZUO, Bo QU, Gang HUA, Yu-fan YAO, Zhi-yu JIN. Design of Fully Elliptical Volute for Pump Turbines with CFD Analysis[J]. Water Resources and Power, 2023 , 41 (3) : 172 -175 . DOI: 10.20040/j.cnki.1000-7709.2023.20221302
2023年第41卷第3期
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doi: 10.20040/j.cnki.1000-7709.2023.20221302
  • 接收时间:2022-06-23
  • 首发时间:2026-01-28
  • 出版时间:2023-03-25
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  • 收稿日期:2022-06-23
  • 修回日期:2022-09-23
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作者信息
    河海大学能源与电气学院,江苏 南京 211100

通讯作者:

屈波(1966-),男,副教授、硕导,研究方向为流体机械状态监测及故障诊断,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
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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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