Article(id=1243880211922662035, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243880211004113260, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2024.10.005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1713196800000, receivedDateStr=2024-04-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1774493752698, onlineDateStr=2026-03-26, pubDate=1729353600000, pubDateStr=2024-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774493752698, onlineIssueDateStr=2026-03-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774493752698, creator=13701087609, updateTime=1774493752698, updator=13701087609, issue=Issue{id=1243880211004113260, tenantId=1146029695717560320, journalId=1240685776644648972, year='2024', volume='28', issue='10', pageStart='1463', pageEnd='1632', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1774493752479, creator=13701087609, updateTime=1774494057708, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1243881491290243855, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243880211004113260, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1243881491290243856, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243880211004113260, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1507, endPage=1515, ext={EN=ArticleExt(id=1243880212165931668, articleId=1243880211922662035, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Cavitation characteristics of water-jet pump based on entropy production analysis, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
Water-jet pumps are widely used in power fields such as ships, and the internal cavitation flow characteristics have an important impact on propulsion performance. In order to quantitatively evaluate the energy loss in cavitation flow field, the cavitation characteristics of an axial water-jet pump were studied based on entropy production theory. As the tip clearance vortex cavitation is typical in axial-flow propulsion pumps, the local vortical flow features were considered in the present numerical method. The SST-CC turbulence model with rotation correction and a modified cavitation model based on vortex identification were adopted. The numerical calculation method was verified according to the referenced experiment of a model pump. The results show that, under different cavitation conditions, with the deterioration of cavitation, the increase of entropy production value reflects the increase of energy loss of water-jet pump, which is corresponding to the decrease of efficiency curve, and the change law of total entropy production in pump is basically consistent with its power characteristics. Analysis of the energy loss in each geometrical region of the water-jet pump shows that the entropy production in the impeller section is the highest, especially the turbulent dissipation and wall dissipation, which are closely related to the vortex and cavitation flow field in the tip clearance of the impeller. On the different cavitation conditions, study on the flow characteristics at the tip of the impeller shows that the tip leakage vortex region causes cavitation, but significant energy dissipation occurs at the outer edge of leakage vortex and on the nearby wall area, while the cavitating vortex attached on the blade surface is the main source of turbulent dissipation.
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喷水推进泵广泛应用于船舶动力等领域,其内部的空化流动特性对于推进性能具有重要影响。为了对空化流场中的能量损失进行定量评价,基于熵产理论对某轴流式喷水推进泵进行空化特性研究。由于叶顶间隙涡空化在轴流式推进泵中十分典型,数值方法中考虑局部涡流特性,采用旋转修正的SST-CC湍流模型和基于涡识别修正的空化模型,并根据模型泵的参考实验验证数值计算方法。研究结果表明:在不同空化系数条件下,随着空化程度的加剧,熵产值的增大反映了推进泵能量损失的增大,对应效率曲线的下降,泵内总熵产的变化规律与其功率特性基本一致。分析推进泵各段几何区域的能量损失可见,叶轮段的熵产占比最高,尤以湍流耗散和壁面耗散更为显著,这与叶轮叶顶间隙的涡流和空化流场密切相关。研究叶轮叶顶的流动特征可见,在不同空化条件下,叶顶间隙泄漏涡区域引发了旋涡空化,但显著的能量耗散出现在泄漏涡的外缘及附近壁面区域,而叶片表面的附着空化涡则是湍流耗散的主要来源。
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, authorsList=郭嫱, 费宗岳, 黄先北, 仇宝云, 石丽建)}, authors=[Author(id=1243880218268644114, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1243880218377696024, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, authorId=1243880218268644114, language=EN, stringName=Qiang GUO, firstName=Qiang, middleName=null, lastName=GUO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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a.扬州大学 电气与能源动力工程学院,江苏 扬州 225127, bio={"content":"
郭嫱(1988-),女,副教授
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a.扬州大学 电气与能源动力工程学院,江苏 扬州 225127)])]), Author(id=1243880218562245413, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1243880218667103020, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, authorId=1243880218562245413, language=EN, stringName=Zong-yue FEI, firstName=Zong-yue, middleName=null, lastName=FEI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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a.College of Electrical, Energy and Power Engineering, Yangzhou University, Yangzhou 225127, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1243880218750989107, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, authorId=1243880218562245413, language=CN, stringName=费宗岳, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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a.扬州大学 电气与能源动力工程学院,江苏 扬州 225127)])]), Author(id=1243880218839069497, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=znhuang@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1243880218939732797, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, authorId=1243880218839069497, language=EN, stringName=Xian-bei HUANG, firstName=Xian-bei, middleName=null, lastName=HUANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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a.College of Electrical, Energy and Power Engineering, Yangzhou University, Yangzhou 225127, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1243880219032007490, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, authorId=1243880218839069497, language=CN, stringName=黄先北, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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a.扬州大学 电气与能源动力工程学院,江苏 扬州 225127, bio={"content":"
黄先北(1991-),男,副教授,通讯作者,E-mail:znhuang@163.com。
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黄先北(1991-),男,副教授,通讯作者,E-mail:znhuang@163.com。
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a.扬州大学 电气与能源动力工程学院,江苏 扬州 225127)])]), Author(id=1243880219094922055, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1243880219183002444, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, authorId=1243880219094922055, language=EN, stringName=Bao-yun QIU, firstName=Bao-yun, middleName=null, lastName=QIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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a.College of Electrical, Energy and Power Engineering, Yangzhou University, Yangzhou 225127, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1243880219329803086, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, authorId=1243880219094922055, language=CN, stringName=仇宝云, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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a.扬州大学 电气与能源动力工程学院,江苏 扬州 225127, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1243880217975042820, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, xref=a., ext=[AuthorCompanyExt(id=1243880217983431429, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, companyId=1243880217975042820, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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b.College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225127, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1243880219606627165, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, authorId=1243880219417883473, language=CN, stringName=石丽建, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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b.扬州大学 水利科学与工程学院,江苏 扬州 225127, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1243880218117649161, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, xref=b., ext=[AuthorCompanyExt(id=1243880218130232074, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, companyId=1243880218117649161, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
b.College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225127, China), AuthorCompanyExt(id=1243880218138620683, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, companyId=1243880218117649161, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
b.扬州大学 水利科学与工程学院,江苏 扬州 225127)])])], keywords=[Keyword(id=1243880219724067683, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, orderNo=1, keyword=water-jet pump), Keyword(id=1243880219833119593, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, orderNo=2, keyword=entropy production theory), Keyword(id=1243880219984114543, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, orderNo=3, keyword=cavitation), Keyword(id=1243880220084777845, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, orderNo=4, keyword=clearance), Keyword(id=1243880220189635450, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, orderNo=5, keyword=numerical simulation), Keyword(id=1243880220277715837, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, orderNo=1, keyword=喷水推进泵), Keyword(id=1243880220357407617, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, orderNo=2, keyword=熵产理论), Keyword(id=1243880220420322182, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, orderNo=3, keyword=空化), Keyword(id=1243880220495819657, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, orderNo=4, keyword=间隙), Keyword(id=1243880220592288653, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, orderNo=5, keyword=数值模拟)], refs=[Reference(id=1243880223654129692, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, doi=null, pmid=null, pmcid=null, year=1997, volume=null, issue=3, pageStart=45, pageEnd=52, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=王立祥, journalName=船舶, refType=null, unstructuredReference=王立祥. 船舶喷水推进[J].
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Schematic diagram of calculation domain of water-jet pump, figureFileSmall=OTmkwbIGkX2Sob4zxKkjgg==, figureFileBig=2k7n52qgi0xybv+NdNM3pA==, tableContent=null), ArticleFig(id=1243880220831363992, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, label=图1, caption=
推进泵计算域结构示意图, figureFileSmall=OTmkwbIGkX2Sob4zxKkjgg==, figureFileBig=2k7n52qgi0xybv+NdNM3pA==, tableContent=null), ArticleFig(id=1243880221053662114, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, label=Fig.2, caption=
Schematic diagram of local grid, figureFileSmall=o3kH6LdqdPLN8QQ+8UdsvQ==, figureFileBig=db4ESF7n+QlxR3S9zEm7/w==, tableContent=null), ArticleFig(id=1243880221166908329, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, label=图2, caption=
局部网格示意图, figureFileSmall=o3kH6LdqdPLN8QQ+8UdsvQ==, figureFileBig=db4ESF7n+QlxR3S9zEm7/w==, tableContent=null), ArticleFig(id=1243880221280154539, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, label=Fig.3, caption=
Comparison between performance curves obtained from numerical simulation and referenced experiment, figureFileSmall=BkUEsp80WFJSd1nfx7Hodg==, figureFileBig=lnJBDQolUSpa8a9MEKpPmQ==, tableContent=null), ArticleFig(id=1243880221376623539, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, label=图3, caption=
数值模拟与参考实验性能曲线的对比, figureFileSmall=BkUEsp80WFJSd1nfx7Hodg==, figureFileBig=lnJBDQolUSpa8a9MEKpPmQ==, tableContent=null), ArticleFig(id=1243880221468898234, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, label=Fig.4, caption=
Comparison of cavitation images between numerical simulation and referenced experiment, figureFileSmall=OhvseCOEK2V2HyYcLYRyHg==, figureFileBig=mgeTZYni4gmmzd7Rj7e7gA==, tableContent=null), ArticleFig(id=1243880221582144447, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, label=图4, caption=
数值模拟与参考实验空化图像的对比, figureFileSmall=OhvseCOEK2V2HyYcLYRyHg==, figureFileBig=mgeTZYni4gmmzd7Rj7e7gA==, tableContent=null), ArticleFig(id=1243880221724750789, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, label=Fig.5, caption=
Total entropy output value and pump energy characteristic parameters for different cavitation numbers, figureFileSmall=6wRcCk62MnM0Ug9lH+nWBA==, figureFileBig=Ajdh/ojnPC60vBAgSnlqcw==, tableContent=null), ArticleFig(id=1243880221804442569, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, label=图5, caption=
不同空化系数下的总熵产值与泵的能量特性参数, figureFileSmall=6wRcCk62MnM0Ug9lH+nWBA==, figureFileBig=Ajdh/ojnPC60vBAgSnlqcw==, tableContent=null), ArticleFig(id=1243880221905105868, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, label=Fig.6, caption=
Distribution statistics of entropy production components, figureFileSmall=om0B1YCjAac/aBglUgrulQ==, figureFileBig=6nWN85P5b4DwZVfFSKWcaA==, tableContent=null), ArticleFig(id=1243880222005769168, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, label=图6, caption=
熵产分量的分布统计, figureFileSmall=om0B1YCjAac/aBglUgrulQ==, figureFileBig=6nWN85P5b4DwZVfFSKWcaA==, tableContent=null), ArticleFig(id=1243880222093849559, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, label=Fig.7, caption=
Eddy identification contours on the section near blade tip, figureFileSmall=hzoPGP0WSc1pNbHh39A5OA==, figureFileBig=I7ZvIn/nV15t8YCpqULoyA==, tableContent=null), ArticleFig(id=1243880222194512861, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, label=图7, caption=
叶顶附近截面的涡流辨识云图, figureFileSmall=hzoPGP0WSc1pNbHh39A5OA==, figureFileBig=I7ZvIn/nV15t8YCpqULoyA==, tableContent=null), ArticleFig(id=1243880222278398945, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, label=Fig.8, caption=
Contours of entropy production fluctuation term on the section near blade tip, figureFileSmall=vaIxesKsruG7thF0U2A/HA==, figureFileBig=nDU0Kycr0FLAMkO/kF8gYw==, tableContent=null), ArticleFig(id=1243880222374867942, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, label=图8, caption=
叶顶附近截面的熵产率脉动项云图, figureFileSmall=vaIxesKsruG7thF0U2A/HA==, figureFileBig=nDU0Kycr0FLAMkO/kF8gYw==, tableContent=null), ArticleFig(id=1243880222475531243, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, label=Fig.9, caption=
Contours of entropy production distribution on impeller wall, figureFileSmall=t89f8wsVP+5Gx26ueDKTLA==, figureFileBig=kht1evPQ3vEB3WbFzhs8Vw==, tableContent=null), ArticleFig(id=1243880222592971760, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=CN, label=图9, caption=
叶轮壁面熵产分布云图, figureFileSmall=t89f8wsVP+5Gx26ueDKTLA==, figureFileBig=kht1evPQ3vEB3WbFzhs8Vw==, tableContent=null), ArticleFig(id=1243880222706217971, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243880211922662035, language=EN, label=Tab.1, caption=
Main parameters of water-jet pump model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 符号/单位 | 数值 |
|---|
| 进口段直径 | D1/mm | 304.8 |
| 出口段直径 | D2/mm | 213.4 |
| 叶轮叶片数 | NR | 6 |
| 导叶叶片数 | NS | 8 |
| 叶轮转速 | n/(r·min-1) | 2000 |
| 叶顶间隙径向宽度 | b/mm | 1.6 |
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推进泵计算模型主要参数
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| 参数名称 | 符号/单位 | 数值 |
|---|
| 进口段直径 | D1/mm | 304.8 |
| 出口段直径 | D2/mm | 213.4 |
| 叶轮叶片数 | NR | 6 |
| 导叶叶片数 | NS | 8 |
| 叶轮转速 | n/(r·min-1) | 2000 |
| 叶顶间隙径向宽度 | b/mm | 1.6 |
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Effect of grid cell number on energy characteristic parameters
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| 扬程系数H* | 功率系数P* | 效率η |
|---|
| φ1 | 2.170 | 2.094 | 0.881 |
| φ2 | 2.153 | 2.085 | 0.878 |
| φ3 | 2.136 | 2.079 | 0.873 |
| CGCI | 2.9% | 1.6% | 1.3% |
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网格数对能量特性参数的影响
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| 扬程系数H* | 功率系数P* | 效率η |
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| φ1 | 2.170 | 2.094 | 0.881 |
| φ2 | 2.153 | 2.085 | 0.878 |
| φ3 | 2.136 | 2.079 | 0.873 |
| CGCI | 2.9% | 1.6% | 1.3% |
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Proportion of energy loss in each section of water-jet pump at different cavitation numbers
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| 空化数N* | 进水流道段 | 叶轮段 | 导叶段 | 出水流道段 |
|---|
| 1.93 | 5.8% | 41.8% | 25.8% | 26.6% |
| 1.46 | 5.9% | 40.7% | 26.5% | 27.0% |
| 1.19 | 5.9% | 38.6% | 27.1% | 28.4% |
| 1.14 | 5.9% | 37.5% | 27.9% | 28.7% |
| 1.08 | 5.2% | 40.7% | 27.7% | 26.4% |
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不同空化数下推进泵各段区域的能量损失占比
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| 空化数N* | 进水流道段 | 叶轮段 | 导叶段 | 出水流道段 |
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| 1.93 | 5.8% | 41.8% | 25.8% | 26.6% |
| 1.46 | 5.9% | 40.7% | 26.5% | 27.0% |
| 1.19 | 5.9% | 38.6% | 27.1% | 28.4% |
| 1.14 | 5.9% | 37.5% | 27.9% | 28.7% |
| 1.08 | 5.2% | 40.7% | 27.7% | 26.4% |
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