Article(id=1319293681404859317, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293542573392487, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.07.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1731254400000, receivedDateStr=2024-11-11, revisedDate=1739548800000, revisedDateStr=2025-02-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473724938, onlineDateStr=2026-10-20, pubDate=1753804800000, pubDateStr=2025-07-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473724938, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473724938, creator=13701087609, updateTime=1792473724938, updator=13701087609, issue=Issue{id=1319293542573392487, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='7', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1753804800000', pubDateStr='2025-07-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473691838, creator='13701087609', updateTime=1792473691838, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=37, endPage=46, ext={EN=ArticleExt(id=1319293681589408694, articleId=1319293681404859317, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Research on drag reduction mechanism of biomimetic fishscale centrifugal pump based on response surface method, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To investigate the drag reduction mechanism of a biomimetic fish scale centrifugal pump,the response surface methodology was employed to optimize the structural parameters of biomimetic fish scale pits,and the values of each structural parameter corresponding to the optimal drag reduction effect were determined.The study revealed that under different operating conditions,the biomimetic fish scale pit structure can enhance the hydraulic performance of centrifugal pumps,with the most significant improvement observed under the rated operating condition.Compared to the baseline pump,the head and efficiency increased by 0.88 m and 3.71 percentage points,respectively,with an efficiency gain rate of 5.13% and a drag reduction rate of 4.30%.On one hand,the biomimetic fish scale pits expand the contact area between the blade working surface and the internal fluid,thereby improving the shear stress distribution on the blade wall.On the other hand,they thicken the near‑wall boundary layer and reduce the Reynolds stress in the near‑wall region of the blade.Furthermore,the biomimetic fish scale pits can disrupt the vortex structure on the blade surface,reduce the vortex core inside the centrifugal pump and the vortex area at the blade outlet,and weaken the intensity of energy exchange and conversion.This delays boundary layer separation,inhibits the transition from laminar to turbulent flow during fluid movement,and makes the internal flow more uniform,ultimately reducing the resistance encountered by the centrifugal pump during operation.This research can provide a reference for the optimal design of centrifugal pumps.
, authors=Cui DAI
1, Quanzhang ZHU
1, Jingjian CAO
2, Yi ZHANG
1, Liang DONG
1, authorsList=Cui DAI, Quanzhang ZHU, Jingjian CAO, Yi ZHANG, Liang DONG, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319293684701582291, articleId=1319293681404859317, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=基于响应面法的仿生鱼鳞离心泵减阻机理研究, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
为了研究仿生鱼鳞离心泵的减阻机理,利用响应面法优化设计了仿生鱼鳞凹坑的结构参数,确定了减阻效果最佳时各结构参数的取值。研究发现,在不同工况下,仿生鱼鳞凹坑结构均能够改善离心泵的水力性能;且在额定工况下的提升最明显,相较于基础泵,扬程和效率分别提高了0.88 m和3.71个百分点,增效率为5.13%,减阻率为4.30%;仿生鱼鳞凹坑一方面增大了叶片工作面与内部流体的接触面积,改善了叶片壁面剪应力分布,另一方面使得近壁面边界层增厚,减小了叶片近壁面雷诺应力;仿生鱼鳞凹坑能够破坏叶片表面的涡结构,减小离心泵内部涡核和叶片出口处涡区域,并降低能量交换和转化的强度,延缓边界层分离,抑制了流体流动时层流向湍流的转变,使得内部流动更均匀,进而减小了离心泵运行时所受阻力。研究可为离心泵的优化设计提供参考。
, authors=代翠
1, 朱全章
1, 曹晶剑
2, 张义
1, 董亮
1, authorsList=代翠, 朱全章, 曹晶剑, 张义, 董亮, authorCompany=null, correspAuthors=null, authorNote=
代翠(1984),女,博士,副教授,主要从事流体机械减振降噪机理与设计方法研究,通信地址:212013江苏省镇江市京口区学府路301号江苏大学能源与动力工程学院,daicui@ujs.edu.cn。
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作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过互联网进行网络出版或提供信息服务。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=DaQQhH1xOQL4+MES6SX8Tw==, magXml=f/7cQQpkqJF+YideEFpK/g==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=eAxdxHj9uiX9bCva3/45Og==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=bZUrUORwA86EyRmfKojr+Q==, mapNumber=null, fund=null)}, authors=[Author(id=1319293747993629184, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=daicui@ujs.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293748069126658, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, authorId=1319293747993629184, language=EN, stringName=Cui DAI, firstName=Cui, middleName=null, lastName=DAI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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代翠(1984),女,博士,副教授,主要从事流体机械减振降噪机理与设计方法研究,通信地址:212013江苏省镇江市京口区学府路301号江苏大学能源与动力工程学院,daicui@ujs.edu.cn。
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代翠(1984),女,博士,副教授,主要从事流体机械减振降噪机理与设计方法研究,通信地址:212013江苏省镇江市京口区学府路301号江苏大学能源与动力工程学院,daicui@ujs.edu.cn。
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tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, orderNo=2, keyword=仿生鱼鳞凹坑结构), Keyword(id=1319293751168717342, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, orderNo=3, keyword=优化设计), Keyword(id=1319293751240020511, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, orderNo=4, keyword=减阻机理)], refs=[Reference(id=1319293756893942352, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=1, rfOrder=0, authorNames=null, journalName=null, refType=null, unstructuredReference=张春华.基于信鸽体表的减阻降噪功能表面耦合仿生[D].吉林:吉林大学,2008., articleTitle=null, refAbstract=null), Reference(id=1319293756977828433, tenantId=1146029695717560320, journalId=1316781260334530699, 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Three‑dimensional model of the computational domain, figureFileSmall=ONcKsKzGNmuw9/qlON8nPg==, figureFileBig=eAxdxHj9uiX9bCva3/45Og==, tableContent=null), ArticleFig(id=1319293751483290145, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图1, caption=
计算域三维模型, figureFileSmall=ONcKsKzGNmuw9/qlON8nPg==, figureFileBig=eAxdxHj9uiX9bCva3/45Og==, tableContent=null), ArticleFig(id=1319293751596536354, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.2, caption=
Schematic diagram of centrifugal pump closed test bench, figureFileSmall=226IRJT4xvH8hCBZgo/8bg==, figureFileBig=vIOqYpBy6CX099IPxNFBuQ==, tableContent=null), ArticleFig(id=1319293751718171171, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图2, caption=
离心泵闭式试验台示意, figureFileSmall=226IRJT4xvH8hCBZgo/8bg==, figureFileBig=vIOqYpBy6CX099IPxNFBuQ==, tableContent=null), ArticleFig(id=1319293751793668644, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.3, caption=
Acquisition system, figureFileSmall=X1S39GHgxjqRq/Di32Hssg==, figureFileBig=s9v00WgLwwZOXz8xVmBvqQ==, tableContent=null), ArticleFig(id=1319293751927886373, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图3, caption=
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草鱼体表鳞片及形态特征, figureFileSmall=SU6XkzGXzA22f7HM5RqcbA==, figureFileBig=+ejsr6uvB5lXR4ETP+EbQw==, tableContent=null), ArticleFig(id=1319293752326345258, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.6, caption=
Two dimensional diagram of biomimetic fish scale pit structure, figureFileSmall=HQqgM9i/bPATcR3G6BDCQQ==, figureFileBig=jCzRKhLsTm/ku9RuKGlRlA==, tableContent=null), ArticleFig(id=1319293752401842731, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图6, caption=
仿生鱼鳞凹坑结构二维图, figureFileSmall=HQqgM9i/bPATcR3G6BDCQQ==, figureFileBig=jCzRKhLsTm/ku9RuKGlRlA==, tableContent=null), ArticleFig(id=1319293752464757292, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.7, caption=
Shear stress on smooth centrifugal pump wall under different operating conditions, figureFileSmall=XijZjIbfl8TVLF9Z+2DmxA==, figureFileBig=J1oVUX5DGJ8WGvWpszpyqw==, tableContent=null), ArticleFig(id=1319293752527671853, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图7, caption=
不同工况下基础离心泵壁面剪应力, figureFileSmall=XijZjIbfl8TVLF9Z+2DmxA==, figureFileBig=J1oVUX5DGJ8WGvWpszpyqw==, tableContent=null), ArticleFig(id=1319293752775135790, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.8, caption=
Impeller water body and grid division, figureFileSmall=IvqpLk3mXGA5aNaNvJ80HA==, figureFileBig=kqFsy96oDtO12hghGtcpxA==, tableContent=null), ArticleFig(id=1319293752833856047, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图8, caption=
叶轮水体及网格划分, figureFileSmall=IvqpLk3mXGA5aNaNvJ80HA==, figureFileBig=kqFsy96oDtO12hghGtcpxA==, tableContent=null), ArticleFig(id=1319293754486411826, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.9, caption=
Optimize the design process, figureFileSmall=/ZQF5yUeIBwXmjiFnzw/aQ==, figureFileBig=AuovaBjMylLXA5jY35HjKQ==, tableContent=null), ArticleFig(id=1319293754578686515, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图9, caption=
优化设计流程, figureFileSmall=/ZQF5yUeIBwXmjiFnzw/aQ==, figureFileBig=AuovaBjMylLXA5jY35HjKQ==, tableContent=null), ArticleFig(id=1319293754658378292, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.10, caption=
3D response surface, figureFileSmall=fUfTDWaLIpTaRW46byVk2w==, figureFileBig=pOeYeQkEwMQGI+7jA9VJ+Q==, tableContent=null), ArticleFig(id=1319293754754847285, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图10, caption=
三维响应面图, figureFileSmall=fUfTDWaLIpTaRW46byVk2w==, figureFileBig=pOeYeQkEwMQGI+7jA9VJ+Q==, tableContent=null), ArticleFig(id=1319293754826150454, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.11, caption=
Biomimetic fish scale pit centrifugal pump three‑dimensional water body, figureFileSmall=2QOtLihWIsSPeT8nW/kN9A==, figureFileBig=BcfeRwmDcFRNRCaNtpcZRg==, tableContent=null), ArticleFig(id=1319293754914230839, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图11, caption=
仿生鱼鳞凹坑离心泵三维水体, figureFileSmall=2QOtLihWIsSPeT8nW/kN9A==, figureFileBig=BcfeRwmDcFRNRCaNtpcZRg==, tableContent=null), ArticleFig(id=1319293754977145400, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.12, caption=
Shear stress on blade wall before and after biomimetic simulation, figureFileSmall=D2npiYC3f02pYlh3AepZXA==, figureFileBig=ne3sbR9FRy6GylTnFaAKYQ==, tableContent=null), ArticleFig(id=1319293755048448569, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图12, caption=
仿生前后叶片壁面剪应力, figureFileSmall=D2npiYC3f02pYlh3AepZXA==, figureFileBig=ne3sbR9FRy6GylTnFaAKYQ==, tableContent=null), ArticleFig(id=1319293755098780218, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.13, caption=
Three dimensional vorticity diagram inside the impeller of a biomimetic front and rear centrifugal pump, figureFileSmall=F2eSHfkfeO9osj9UBSTc2g==, figureFileBig=W9r9tMrSOvZHBT5kko62uw==, tableContent=null), ArticleFig(id=1319293755174277691, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图13, caption=
仿生前后离心泵叶轮内三维涡量, figureFileSmall=F2eSHfkfeO9osj9UBSTc2g==, figureFileBig=W9r9tMrSOvZHBT5kko62uw==, tableContent=null), ArticleFig(id=1319293755241386556, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Fig.14, caption=
Analysis of turbulent kinetic energy in the cross‑section of a centrifugal pump before and after biomimetic simulation, figureFileSmall=hB8E6ATeOwZNA+mDMCkl5g==, figureFileBig=Seea6QW0BzuNALg7jKGT9A==, tableContent=null), ArticleFig(id=1319293755312689725, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=图14, caption=
仿生前后离心泵内截面湍动能分析, figureFileSmall=hB8E6ATeOwZNA+mDMCkl5g==, figureFileBig=Seea6QW0BzuNALg7jKGT9A==, tableContent=null), ArticleFig(id=1319293755400770110, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Tab.1, caption=
Main parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 过流部件 | 几何参数 | 数值 |
|---|
| 叶轮 | 进口直径D1/mm | 60 |
| 出口直径D2/mm | 150 |
| 出口宽度b2/mm | 8.5 |
| 叶片包角ψ/() | 120 |
| 长叶片数Z1 | 6 |
| 短叶片数Z2 | 6 |
| 蜗壳 | 基圆直径D3/mm | 160 |
| 进口宽度b3/mm | 16 |
| 出口直径D4/mm | 32 |
), ArticleFig(id=1319293755463684671, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=表1, caption=
主要参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 过流部件 | 几何参数 | 数值 |
|---|
| 叶轮 | 进口直径D1/mm | 60 |
| 出口直径D2/mm | 150 |
| 出口宽度b2/mm | 8.5 |
| 叶片包角ψ/() | 120 |
| 长叶片数Z1 | 6 |
| 短叶片数Z2 | 6 |
| 蜗壳 | 基圆直径D3/mm | 160 |
| 进口宽度b3/mm | 16 |
| 出口直径D4/mm | 32 |
), ArticleFig(id=1319293755551765056, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Tab.2, caption=
Grid independence verification
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 网格数/万 | 扬程/m | 效率/% |
|---|
| 1 | 700 | 32.35 | 67.81 |
| 2 | 800 | 32.91 | 68.04 |
| 3 | 900 | 33.34 | 68.97 |
| 4 | 1 000 | 33.61 | 69.62 |
| 5 | 1 100 | 33.72 | 70.03 |
| 6 | 1 200 | 33.81 | 70.06 |
| 7 | 1 300 | 33.83 | 70.11 |
), ArticleFig(id=1319293755618873921, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=表2, caption=
网格无关性验证
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 网格数/万 | 扬程/m | 效率/% |
|---|
| 1 | 700 | 32.35 | 67.81 |
| 2 | 800 | 32.91 | 68.04 |
| 3 | 900 | 33.34 | 68.97 |
| 4 | 1 000 | 33.61 | 69.62 |
| 5 | 1 100 | 33.72 | 70.03 |
| 6 | 1 200 | 33.81 | 70.06 |
| 7 | 1 300 | 33.83 | 70.11 |
), ArticleFig(id=1319293755681788482, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Tab.3, caption=
CFD parameter settings
, figureFileSmall=null, figureFileBig=null, tableContent=
| 设置项目 | 参数 |
|---|
| 湍流模型 | 定常:模型 |
| 非定常:LES-Smagorinsky模型 |
| 压力进口边界条件 | 1.05×105 Pa(1 atm) |
| 质量流量出口边界条件 | 1.767,2.944,4.116 kg/s |
| 转速 | 2 900 r/min |
| 壁面 | 无滑移,粗糙度25 |
| 动静交界面 | 定常:Frozen rotor stator |
| 非定常:Transient rotor stator |
| 定常计算对流项离散格式 | 一阶迎风 |
| 非定常计算对流项 | High resolution |
| 非定常计算瞬态项 | Second order backward euler |
| 收敛准则 | 10-5 |
| 时间步长 | 1.149 425×10-4 s |
| 总时间 | 0.331 034 40 s |
), ArticleFig(id=1319293755761480259, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=表3, caption=
CFD参数设置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 设置项目 | 参数 |
|---|
| 湍流模型 | 定常:模型 |
| 非定常:LES-Smagorinsky模型 |
| 压力进口边界条件 | 1.05×105 Pa(1 atm) |
| 质量流量出口边界条件 | 1.767,2.944,4.116 kg/s |
| 转速 | 2 900 r/min |
| 壁面 | 无滑移,粗糙度25 |
| 动静交界面 | 定常:Frozen rotor stator |
| 非定常:Transient rotor stator |
| 定常计算对流项离散格式 | 一阶迎风 |
| 非定常计算对流项 | High resolution |
| 非定常计算瞬态项 | Second order backward euler |
| 收敛准则 | 10-5 |
| 时间步长 | 1.149 425×10-4 s |
| 总时间 | 0.331 034 40 s |
), ArticleFig(id=1319293755828589124, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Tab.4, caption=
Flowmeter and pressure transmitter parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据采集仪器 | 项目 | 参数 |
|---|
MIK-P300压力 变送器 | 进口量程 | |
| 出口量程 | |
| 输出电流信号 | |
| 精度 | 0.5级 |
KEF-DN100型 电磁流量计 | 可测量最大流量 | 100 m3/h |
| 精度 | 0.5级 |
| 工作压力 | 4 MPa |
), ArticleFig(id=1319293755912475205, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=表4, caption=
流量计和压力变送器参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据采集仪器 | 项目 | 参数 |
|---|
MIK-P300压力 变送器 | 进口量程 | |
| 出口量程 | |
| 输出电流信号 | |
| 精度 | 0.5级 |
KEF-DN100型 电磁流量计 | 可测量最大流量 | 100 m3/h |
| 精度 | 0.5级 |
| 工作压力 | 4 MPa |
), ArticleFig(id=1319293755987972678, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Tab.5, caption=
Factors and levels
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | /(°) | s/cm | h/mm |
|---|
| -1 | 90 | 1.7 | 2.0 |
| 0 | 120 | 1.9 | 2.2 |
| 1 | 150 | 2.1 | 2.4 |
), ArticleFig(id=1319293756063470151, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=表5, caption=
因素及水平
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | /(°) | s/cm | h/mm |
|---|
| -1 | 90 | 1.7 | 2.0 |
| 0 | 120 | 1.9 | 2.2 |
| 1 | 150 | 2.1 | 2.4 |
), ArticleFig(id=1319293756172522056, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Tab.6, caption=
RSM design scheme and results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | /() | s/cm | h/mm | C/% |
|---|
| 1 | 120 | 1.9 | 2.2 | 3.92 |
| 2 | 150 | 1.7 | 2.2 | 3.23 |
| 3 | 120 | 1.9 | 2.2 | 3.82 |
| 4 | 120 | 1.7 | 2.0 | 3.41 |
| 5 | 120 | 2.1 | 2.4 | 3.51 |
| 6 | 120 | 2.1 | 2.0 | 3.75 |
| 7 | 90 | 1.7 | 2.2 | 2.95 |
| 8 | 150 | 1.9 | 2.4 | 3.62 |
| 9 | 120 | 1.7 | 2.4 | 3.30 |
| 10 | 90 | 1.9 | 2.4 | 3.14 |
| 11 | 120 | 1.9 | 2.2 | 3.90 |
| 12 | 120 | 1.9 | 2.2 | 3.85 |
| 13 | 90 | 1.9 | 2.0 | 3.34 |
| 14 | 120 | 1.9 | 2.2 | 3.91 |
| 15 | 150 | 1.9 | 2.0 | 3.56 |
| 16 | 150 | 2.1 | 2.2 | 3.62 |
| 17 | 90 | 2.1 | 2.2 | 3.31 |
), ArticleFig(id=1319293756243825225, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=表6, caption=
RSM设计方案与结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | /() | s/cm | h/mm | C/% |
|---|
| 1 | 120 | 1.9 | 2.2 | 3.92 |
| 2 | 150 | 1.7 | 2.2 | 3.23 |
| 3 | 120 | 1.9 | 2.2 | 3.82 |
| 4 | 120 | 1.7 | 2.0 | 3.41 |
| 5 | 120 | 2.1 | 2.4 | 3.51 |
| 6 | 120 | 2.1 | 2.0 | 3.75 |
| 7 | 90 | 1.7 | 2.2 | 2.95 |
| 8 | 150 | 1.9 | 2.4 | 3.62 |
| 9 | 120 | 1.7 | 2.4 | 3.30 |
| 10 | 90 | 1.9 | 2.4 | 3.14 |
| 11 | 120 | 1.9 | 2.2 | 3.90 |
| 12 | 120 | 1.9 | 2.2 | 3.85 |
| 13 | 90 | 1.9 | 2.0 | 3.34 |
| 14 | 120 | 1.9 | 2.2 | 3.91 |
| 15 | 150 | 1.9 | 2.0 | 3.56 |
| 16 | 150 | 2.1 | 2.2 | 3.62 |
| 17 | 90 | 2.1 | 2.2 | 3.31 |
), ArticleFig(id=1319293756340294218, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Tab.7, caption=
RSM regression model analysis of variance
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方差来源 | 平方和 | 自由度 | 均方差 | F值 | Prob(P)>F(P值) | 显著性 |
|---|
| 合计 | 1.42 | 16 | — | — | — | — |
| 模型 | 1.40 | 9 | 0.16 | 55.88 | 0.000 1 | 显著 |
| | 0.21 | 1 | 0.21 | 74.96 | 0.000 1 | 显著 |
| s | 0.21 | 1 | 0.21 | 76.13 | 0.000 1 | 显著 |
| h | 0.030 | 1 | 0.030 | 10.82 | 0.013 3 | 显著 |
| s | | 1 | | 0.081 | 0.784 1 | 不显著 |
| h | 0.017 | 1 | 0.017 | 6.09 | 0.043 0 | 显著 |
| sh | | 1 | | 1.52 | 0.257 1 | 不显著 |
| 2 | 0.49 | 1 | 0.49 | 175.40 | 0.000 1 | 显著 |
| s2 | 0.29 | 1 | 0.29 | 104.55 | 0.000 1 | 显著 |
| h2 | 0.066 | 1 | 0.066 | 23.71 | 0.001 8 | 显著 |
| 残差 | 0.019 | 7 | | — | — | — |
| 失拟值 | 0.012 | 3 | | 2.17 | 0.234 6 | 不显著 |
| 纯误差 | | 4 | | — | — | — |
), ArticleFig(id=1319293756424180299, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=表7, caption=
RSM回归模型方差分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方差来源 | 平方和 | 自由度 | 均方差 | F值 | Prob(P)>F(P值) | 显著性 |
|---|
| 合计 | 1.42 | 16 | — | — | — | — |
| 模型 | 1.40 | 9 | 0.16 | 55.88 | 0.000 1 | 显著 |
| | 0.21 | 1 | 0.21 | 74.96 | 0.000 1 | 显著 |
| s | 0.21 | 1 | 0.21 | 76.13 | 0.000 1 | 显著 |
| h | 0.030 | 1 | 0.030 | 10.82 | 0.013 3 | 显著 |
| s | | 1 | | 0.081 | 0.784 1 | 不显著 |
| h | 0.017 | 1 | 0.017 | 6.09 | 0.043 0 | 显著 |
| sh | | 1 | | 1.52 | 0.257 1 | 不显著 |
| 2 | 0.49 | 1 | 0.49 | 175.40 | 0.000 1 | 显著 |
| s2 | 0.29 | 1 | 0.29 | 104.55 | 0.000 1 | 显著 |
| h2 | 0.066 | 1 | 0.066 | 23.71 | 0.001 8 | 显著 |
| 残差 | 0.019 | 7 | | — | — | — |
| 失拟值 | 0.012 | 3 | | 2.17 | 0.234 6 | 不显著 |
| 纯误差 | | 4 | | — | — | — |
), ArticleFig(id=1319293756499677772, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Tab.8, caption=
Hydraulic performance parameters of optimized biomimetic fish scale centrifugal pump and smooth pump
, figureFileSmall=null, figureFileBig=null, tableContent=
| 流量 | 扬程/m | 效率/% | 增效率/% |
|---|
| 基础离心泵 | 优化后仿生鱼鳞离心泵 | 基础离心泵 | 优化后仿生鱼鳞离心泵 |
|---|
| 0.6Qd | 38.90 | 39.15 | 51.04 | 52.70 | 3.25 |
| 1.0Qd | 34.04 | 34.92 | 72.27 | 75.98 | 5.13 |
| 1.4Qd | 31.03 | 31.35 | 65.13 | 66.56 | 2.20 |
), ArticleFig(id=1319293756579369549, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=表8, caption=
优化后仿生鱼鳞离心泵与基础离心泵的水力性能参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 流量 | 扬程/m | 效率/% | 增效率/% |
|---|
| 基础离心泵 | 优化后仿生鱼鳞离心泵 | 基础离心泵 | 优化后仿生鱼鳞离心泵 |
|---|
| 0.6Qd | 38.90 | 39.15 | 51.04 | 52.70 | 3.25 |
| 1.0Qd | 34.04 | 34.92 | 72.27 | 75.98 | 5.13 |
| 1.4Qd | 31.03 | 31.35 | 65.13 | 66.56 | 2.20 |
), ArticleFig(id=1319293756659061326, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=EN, label=Tab.9, caption=
The drag reduction rate of optimized biomimetic fish scale centrifugal pump
, figureFileSmall=null, figureFileBig=null, tableContent=
| 流量 | 扭矩/(N·m) | 减阻率/% |
|---|
| 基础离心泵 | 优化后仿生鱼鳞离心泵 |
|---|
| 0.6Qd | 4.14 | 4.04 | 2.42 |
| 1.0Qd | 5.35 | 5.12 | 4.30 |
| 1.4Qd | 6.70 | 6.55 | 2.24 |
), ArticleFig(id=1319293756734558799, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293681404859317, language=CN, label=表9, caption=
优化后仿生鱼鳞离心泵的减阻率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 流量 | 扭矩/(N·m) | 减阻率/% |
|---|
| 基础离心泵 | 优化后仿生鱼鳞离心泵 |
|---|
| 0.6Qd | 4.14 | 4.04 | 2.42 |
| 1.0Qd | 5.35 | 5.12 | 4.30 |
| 1.4Qd | 6.70 | 6.55 | 2.24 |
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