Article(id=1320037986847273331, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.06.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1763568000000, receivedDateStr=2025-11-20, revisedDate=1778515200000, revisedDateStr=2026-05-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651181183, onlineDateStr=2026-10-22, pubDate=1782748800000, pubDateStr=2026-06-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651181183, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651181183, creator=13701087609, updateTime=1792651181183, updator=13701087609, issue=Issue{id=1320037798686605953, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='6', pageStart='1', pageEnd='122', issueExtLink='null', onlineDate='null', pubDate='1782748800000', pubDateStr='2026-06-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651136322, creator='13701087609', updateTime=1792656254917, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059267693003413, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059267693003414, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=86, endPage=94, ext={EN=ArticleExt(id=1320037987019239796, articleId=1320037986847273331, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Design method for throttling profile of straight‑through single‑seat control valve, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the issues of cumbersome design procedures and long design cycles for the throttling profile of straight‑through single‑seat control valves,a high‑efficiency design method for the valve plug profile based on an orifice throttling model combined with variations in flow resistance coefficient is proposed.By establishing a calculation model for the effective flow area of the control valve at arbitrary openings,the analytical expression for the equal‑area curve is derived,and subsequently the mathematical expression for the valve plug profile coordinates is obtained.Based on this valve plug throttling profile design method,a preliminary DN50 straight‑through single‑seat control valve model with equal percentage flow characteristic is established.Simulation conditions are set according to the test requirements of GB/T 30832—2014,numerical simulation analysis is carried out,and flow coefficient tests are conducted on the control valve.The results show that the initial design exhibits flow coefficient simulation deviations beyond the allowable range specified in IEC 60534-2-4:2009 for openings below 60%.After optimizing the valve plug profile using an iterative method that mutually maps the structural characteristics and inherent flow characteristics,the simulation deviations across the full opening range are reduced to 0.30%~10.78%,meeting the standard requirements.The measured deviations of the optimized control valve under the main operating range and full‑open conditions are 2.24%~9.66%,meeting the accuracy requirements of the IEC 60534-2-4:2009 standard,and its flow characteristic approaches the equal percentage inherent flow characteristic.This study provides a reference for simplifying the design process of valve plug profiles and improving design efficiency.
, authors=Yan XU
1, Jiale ZHANG
1, Zhijun WU
2, Zhong LI
3, authorsList=Yan XU, Jiale ZHANG, Zhijun WU, Zhong LI, authorCompany=null, correspAuthors=Zhijun WU, 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=1320037989351272845, articleId=1320037986847273331, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=直通单座调节阀节流型线设计方法, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
针对直通单座调节阀节流型线设计步骤繁琐、设计周期较长的问题,提出一种基于孔板节流模型并结合流阻系数变化的阀芯型线高效设计方法。通过建立任意开度下调节阀有效流通面积的计算模型,推导出等值面积曲线的解析式,进而获得阀芯型面坐标的数学表达式。基于该阀芯节流型线设计方法,初步建立具有等百分比流量特性的DN50直通单座调节阀模型,按照GB/T 30832—2014试验要求设置模拟条件,开展数值模拟分析,并对该调节阀进行流量系数试验测试。结果表明,初始设计在60%开度以下的流量系数模拟偏差超出了IEC 60534-2-4:2009标准规定的允许范围;采用结构特性与固有流量特性相互映射迭代的方法对阀芯型线进行优化后,全开度范围内的模拟偏差降至0.30%~10.78%,符合标准要求。优化后的调节阀在主要工作区间及全开工况下的实测偏差为2.24%~9.66%,符合IEC 60534-2-4:2009标准的精度要求,其流量特性趋近等百分比固有流量特性。研究为简化阀芯型线的设计流程、提高设计效率提供参考。
, authors=徐滟
1, 张佳乐
1, 吴志军
2, 李忠
3, authorsList=徐滟, 张佳乐, 吴志军, 李忠, authorCompany=null, correspAuthors=吴志军, authorNote=
徐滟(1969),女,副教授,主要从事通用机械及化工装备研究工作,通信地址:230601安徽省合肥市经济技术开发区锦绣大道99号合肥大学机械工程系40幢328室,E-mail:xuyww@163.com。
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吴志军(1983),男,高级工程师,主要从事工业阀门设计研究工作,通信地址:245000安徽省黄山市黄山高新区梅林大道55号安徽省屯溪高压阀门股份有限公司,E-mail:
wzj@tunfa.com。
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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=bLRhCkT6Yxce8iAgId9nDg==, magXml=EdAhvAQbAxsc9LvbRGq6HQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=pZ4HYg+MMlHR3tcvqOW2iA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=GerlEuT7KkmDUenu2vugvQ==, mapNumber=null, fund=null)}, authors=[Author(id=1320037989892338072, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xuyww@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037989984612762, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, authorId=1320037989892338072, language=EN, stringName=Yan XU, firstName=Yan, middleName=null, lastName=XU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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徐滟(1969),女,副教授,主要从事通用机械及化工装备研究工作,通信地址:230601安徽省合肥市经济技术开发区锦绣大道99号合肥大学机械工程系40幢328室,E-mail:xuyww@163.com。
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徐滟(1969),女,副教授,主要从事通用机械及化工装备研究工作,通信地址:230601安徽省合肥市经济技术开发区锦绣大道99号合肥大学机械工程系40幢328室,E-mail:xuyww@163.com。
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journalId=1316781260334530699, articleId=1320037986847273331, language=CN, orderNo=2, keyword=孔板节流模型), Keyword(id=1320037991226126769, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, orderNo=3, keyword=节流型线), Keyword(id=1320037991297429938, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, orderNo=4, keyword=固有流量特性)], refs=[Reference(id=1320037994103419351, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, 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=王渭,陈凤官,明友,等.直通单座调节阀柱塞式阀芯型线设计方法[J].流体机械,2016,44(5):37-41., articleTitle=null, refAbstract=null), Reference(id=1320037994170528216, tenantId=1146029695717560320, journalId=1316781260334530699, 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Orifice throttling model of control valve, figureFileSmall=w81iLVgsnxpr/cvx6ryKPQ==, figureFileBig=pZ4HYg+MMlHR3tcvqOW2iA==, tableContent=null), ArticleFig(id=1320037991490367924, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图1, caption=
调节阀孔板节流模型, figureFileSmall=w81iLVgsnxpr/cvx6ryKPQ==, figureFileBig=pZ4HYg+MMlHR3tcvqOW2iA==, tableContent=null), ArticleFig(id=1320037991674917301, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.2, caption=
Schematic diagram of flow area between valve plugand valve seat, figureFileSmall=zK1Pm/sLS6hecQDIxSQgjw==, figureFileBig=2sECZPTLHkMPw6O1mU4bqw==, tableContent=null), ArticleFig(id=1320037991746220470, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图2, caption=
阀芯与阀座流通面积示意, figureFileSmall=zK1Pm/sLS6hecQDIxSQgjw==, figureFileBig=2sECZPTLHkMPw6O1mU4bqw==, tableContent=null), ArticleFig(id=1320037991830106551, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.3, caption=
Schematic diagram of equal‑area curve, figureFileSmall=x9oICf6XPJunIvjPETv8Xg==, figureFileBig=kni4rBa+QqI9dDbyM1+ZPw==, tableContent=null), ArticleFig(id=1320037991888826808, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图3, caption=
等值面积曲线示意, figureFileSmall=x9oICf6XPJunIvjPETv8Xg==, figureFileBig=kni4rBa+QqI9dDbyM1+ZPw==, tableContent=null), ArticleFig(id=1320037991968518585, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.4, caption=
Schematic diagram of valve plug design for equalpercentage flow characteristic, figureFileSmall=ek9HzKpihTOvu28eZBsWEA==, figureFileBig=xmEZr4m4po8G+dlaF5Y70A==, tableContent=null), ArticleFig(id=1320037992039821754, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图4, caption=
等百分比流量特性阀芯设计示意, figureFileSmall=ek9HzKpihTOvu28eZBsWEA==, figureFileBig=xmEZr4m4po8G+dlaF5Y70A==, tableContent=null), ArticleFig(id=1320037992119513531, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.5, caption=
Schematic diagram of control valve structure, figureFileSmall=nxcxCJFiAmdwRgjXnUad/w==, figureFileBig=D5mFwzzT5yYmLsbhUacMTA==, tableContent=null), ArticleFig(id=1320037992182428092, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图5, caption=
调节阀结构示意, figureFileSmall=nxcxCJFiAmdwRgjXnUad/w==, figureFileBig=D5mFwzzT5yYmLsbhUacMTA==, tableContent=null), ArticleFig(id=1320037992249536957, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.6, caption=
Mesh generation of control valve model at 40% opening, figureFileSmall=GClBqeiMFSdOUXeU5FgIBQ==, figureFileBig=sL46qP7DLxpf3vE1WWrTGA==, tableContent=null), ArticleFig(id=1320037992320840126, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图6, caption=
开度为40%时调节阀模型网格划分, figureFileSmall=GClBqeiMFSdOUXeU5FgIBQ==, figureFileBig=sL46qP7DLxpf3vE1WWrTGA==, tableContent=null), ArticleFig(id=1320037992396337599, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.7, caption=
Streamline diagram of control valve at 40% opening, figureFileSmall=SIGskgMFD4rkD71U09cCLQ==, figureFileBig=bzwgg7RydHdbxy59Rn4NxA==, tableContent=null), ArticleFig(id=1320037992484417984, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图7, caption=
开度为40%的调节阀迹线图, figureFileSmall=SIGskgMFD4rkD71U09cCLQ==, figureFileBig=bzwgg7RydHdbxy59Rn4NxA==, tableContent=null), ArticleFig(id=1320037992551526849, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.8, caption=
Curve diagrams of equal percentage flow characteristicand equal percentage inherent flow characteristic, figureFileSmall=xlfx5BXVR3uwMYfXiS1HjA==, figureFileBig=xpZ+qgDFFE+E57gB77lRsg==, tableContent=null), ArticleFig(id=1320037992622830018, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图8, caption=
等百分比流量特性曲线与等百分比固有流量特性曲线, figureFileSmall=xlfx5BXVR3uwMYfXiS1HjA==, figureFileBig=xpZ+qgDFFE+E57gB77lRsg==, tableContent=null), ArticleFig(id=1320037992685744579, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.9, caption=
Schematic of corrected valve plug cross‑section forequal percentage flow characteristic, figureFileSmall=Rt9pLsOwdMne6ZEstiRVHA==, figureFileBig=ye/J863SuYMmC3DiZnsAJw==, tableContent=null), ArticleFig(id=1320037992757047748, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图9, caption=
修正后等百分比流量特性阀芯截面示意, figureFileSmall=Rt9pLsOwdMne6ZEstiRVHA==, figureFileBig=ye/J863SuYMmC3DiZnsAJw==, tableContent=null), ArticleFig(id=1320037992828350917, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.10, caption=
Changes in relative parameters before andafter modification, figureFileSmall=yIpdB57PJXV3hvizupFNcg==, figureFileBig=pHAZf1i3L7Kmxu5KHylWEA==, tableContent=null), ArticleFig(id=1320037992891265478, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图10, caption=
修改前后各相对参数的变化, figureFileSmall=yIpdB57PJXV3hvizupFNcg==, figureFileBig=pHAZf1i3L7Kmxu5KHylWEA==, tableContent=null), ArticleFig(id=1320037992966762951, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.11, caption=
Schematic diagram of the experimental system, figureFileSmall=yFQISHvs7a1a+dMbKTgMnQ==, figureFileBig=DdOXBGYO7/lzc10urA9Iew==, tableContent=null), ArticleFig(id=1320037993021288904, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图11, caption=
试验系统示意1-上游阀门;2-温度计;3-流量测量仪表;4-直管段取压孔;5-直管段差压测量仪器;6-压力测量仪器;7-试验阀门管段差压测量仪器;8-上游取压孔;9-试验阀门;10-下游取压孔;11-下游调节阀门。
, figureFileSmall=yFQISHvs7a1a+dMbKTgMnQ==, figureFileBig=DdOXBGYO7/lzc10urA9Iew==, tableContent=null), ArticleFig(id=1320037993084203465, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Fig.12, caption=
Photograph of the control valve, figureFileSmall=Ro/8B7dYy0a5gxN6OnvKeA==, figureFileBig=oMHTNMLNWVaMw6irEigfaQ==, tableContent=null), ArticleFig(id=1320037993142923722, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=图12, caption=
调节阀实物, figureFileSmall=Ro/8B7dYy0a5gxN6OnvKeA==, figureFileBig=oMHTNMLNWVaMw6irEigfaQ==, tableContent=null), ArticleFig(id=1320037993205838283, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Tab.1, caption=
Coordinate calculation results of valve plug profilefor equal percentage flow characteristic
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | /mm2 | /mm | /mm |
|---|
| 10 | 30.26 | 0.097 | 0.167 |
| 20 | 44.38 | 0.143 | 0.245 |
| 30 | 65.15 | 0.210 | 0.360 |
| 40 | 95.29 | 0.309 | 0.527 |
| 50 | 138.87 | 0.454 | 0.768 |
| 60 | 200.51 | 0.664 | 1.110 |
| 70 | 287.12 | 0.969 | 1.593 |
| 80 | 404.80 | 1..401 | 2.251 |
| 90 | 560.00 | 2.010 | 3.124 |
| 100 | 754.33 | 2.844 | 4.224 |
), ArticleFig(id=1320037993272947148, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=表1, caption=
等百分比流量特性阀芯型线坐标计算结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | /mm2 | /mm | /mm |
|---|
| 10 | 30.26 | 0.097 | 0.167 |
| 20 | 44.38 | 0.143 | 0.245 |
| 30 | 65.15 | 0.210 | 0.360 |
| 40 | 95.29 | 0.309 | 0.527 |
| 50 | 138.87 | 0.454 | 0.768 |
| 60 | 200.51 | 0.664 | 1.110 |
| 70 | 287.12 | 0.969 | 1.593 |
| 80 | 404.80 | 1..401 | 2.251 |
| 90 | 560.00 | 2.010 | 3.124 |
| 100 | 754.33 | 2.844 | 4.224 |
), ArticleFig(id=1320037993352638925, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Tab.2, caption=
Grid independence verification
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格编号 | 单元尺寸/mm | Kv/(m3·h-1) | 相对误差/% |
|---|
| 粗网格 | 5.0 | — | — |
| 中等网格 | 2.5 | 3.313 8 | 1.96 |
| 细网格 | 1.0 | 3.386 1 | 0.22 |
| 超细网格 | 0.5 | 3.393 7 | — |
), ArticleFig(id=1320037993415553486, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=表2, caption=
网格无关性验证
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格编号 | 单元尺寸/mm | Kv/(m3·h-1) | 相对误差/% |
|---|
| 粗网格 | 5.0 | — | — |
| 中等网格 | 2.5 | 3.313 8 | 1.96 |
| 细网格 | 1.0 | 3.386 1 | 0.22 |
| 超细网格 | 0.5 | 3.393 7 | — |
), ArticleFig(id=1320037993478468047, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Tab.3, caption=
Numerical validation results of the equal percentagecharacteristic valve plug
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | 验证值 | 规定值 | 允许偏差/% | 实际偏差/% |
|---|
| 10 | 0.66 | 0.95 | 20.22 | 30.53 |
| 20 | 1.02 | 1.40 | 18.70 | 27.14 |
| 30 | 1.60 | 2.07 | 17.29 | 22.61 |
| 40 | 2.44 | 3.06 | 16.00 | 20.26 |
| 50 | 3.75 | 4.53 | 14.79 | 17.22 |
| 60 | 5.73 | 6.69 | 13.68 | 14.35 |
| 70 | 8.80 | 9.90 | 12.65 | 11.11 |
| 80 | 13.68 | 14.63 | 11.69 | 6.50 |
| 90 | 21.02 | 21.64 | 10.82 | 2.87 |
| 100 | 29.14 | 32.00 | 10.00 | 8.94 |
), ArticleFig(id=1320037993545576912, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=表3, caption=
等百分比特性阀芯的数值验证结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | 验证值 | 规定值 | 允许偏差/% | 实际偏差/% |
|---|
| 10 | 0.66 | 0.95 | 20.22 | 30.53 |
| 20 | 1.02 | 1.40 | 18.70 | 27.14 |
| 30 | 1.60 | 2.07 | 17.29 | 22.61 |
| 40 | 2.44 | 3.06 | 16.00 | 20.26 |
| 50 | 3.75 | 4.53 | 14.79 | 17.22 |
| 60 | 5.73 | 6.69 | 13.68 | 14.35 |
| 70 | 8.80 | 9.90 | 12.65 | 11.11 |
| 80 | 13.68 | 14.63 | 11.69 | 6.50 |
| 90 | 21.02 | 21.64 | 10.82 | 2.87 |
| 100 | 29.14 | 32.00 | 10.00 | 8.94 |
), ArticleFig(id=1320037993621074385, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Tab.4, caption=
Numerical validation results of the corrected valveplug with equal percentage characteristic
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | | | 允许偏差/% | 实际偏差/% |
|---|
| 10 | 0.98 | 0.95 | 20.22 | 3.16 |
| 20 | 1.52 | 1.40 | 18.70 | 8.57 |
| 30 | 2.26 | 2.07 | 17.29 | 9.18 |
| 40 | 3.39 | 3.06 | 16.00 | 10.78 |
| 50 | 4.98 | 4.53 | 14.79 | 9.93 |
| 60 | 7.16 | 6.69 | 13.68 | 7.03 |
| 70 | 9.93 | 9.90 | 12.65 | 0.30 |
| 80 | 14.56 | 14.63 | 11.69 | 0.48 |
| 90 | 21.11 | 21.64 | 10.82 | 2.45 |
| 100 | 29.14 | 32.00 | 10.00 | 8.94 |
), ArticleFig(id=1320037993700766162, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=表4, caption=
修正后等百分比特性阀芯的数值验证结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | | | 允许偏差/% | 实际偏差/% |
|---|
| 10 | 0.98 | 0.95 | 20.22 | 3.16 |
| 20 | 1.52 | 1.40 | 18.70 | 8.57 |
| 30 | 2.26 | 2.07 | 17.29 | 9.18 |
| 40 | 3.39 | 3.06 | 16.00 | 10.78 |
| 50 | 4.98 | 4.53 | 14.79 | 9.93 |
| 60 | 7.16 | 6.69 | 13.68 | 7.03 |
| 70 | 9.93 | 9.90 | 12.65 | 0.30 |
| 80 | 14.56 | 14.63 | 11.69 | 0.48 |
| 90 | 21.11 | 21.64 | 10.82 | 2.45 |
| 100 | 29.14 | 32.00 | 10.00 | 8.94 |
), ArticleFig(id=1320037993763680723, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Tab.5, caption=
Control valve test data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | 净压差/kPa | 水流量/(m3·h-1) | | |
|---|
| 100 | 97.48 | 34.5 | 34.94 | 34.85 |
| 60.17 | 27.0 | 34.81 |
| 75.35 | 30.2 | 34.79 |
| 90 | 118.66 | 26.2 | 34.05 | 24.42 |
| 95.90 | 24.2 | 24.71 |
| 80.02 | 21.9 | 24.48 |
| 80 | 137.63 | 18.0 | 15.34 | 15.31 |
| 117.18 | 16.6 | 15.33 |
| 98.15 | 15.1 | 15.24 |
| 70 | 151.76 | 12.5 | 10.15 | 10.16 |
| 126.36 | 11.4 | 10.14 |
| 106.40 | 10.5 | 10.18 |
| 60 | 156.93 | 8.5 | 6.79 | 6.84 |
| 120.36 | 7.5 | 6.84 |
| 94.63 | 6.7 | 6.89 |
| 50 | 142.48 | 5.6 | 4.69 | 4.68 |
| 122.00 | 5.2 | 4.71 |
| 94.24 | 4.5 | 4.64 |
| 40 | 138.35 | 3.9 | 3.32 | 3.32 |
| 106.67 | 3.4 | 3.29 |
| 85.89 | 3.1 | 3.34 |
| 30 | 132.31 | 2.6 | 2.26 | 2.27 |
| 92.63 | 2.2 | 2.29 |
| 70.92 | 1.9 | 2.26 |
| 20 | 101.35 | 1.7 | 1.69 | 1.71 |
| 133.55 | 2.0 | 1.73 |
| 163.65 | 2.2 | 1.72 |
| 10 | 166.07 | 1.8 | 1.40 | 1.41 |
| 139.77 | 1.7 | 1.44 |
| 113.58 | 1.5 | 1.41 |
), ArticleFig(id=1320037993843372500, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=表5, caption=
调节阀试验数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | 净压差/kPa | 水流量/(m3·h-1) | | |
|---|
| 100 | 97.48 | 34.5 | 34.94 | 34.85 |
| 60.17 | 27.0 | 34.81 |
| 75.35 | 30.2 | 34.79 |
| 90 | 118.66 | 26.2 | 34.05 | 24.42 |
| 95.90 | 24.2 | 24.71 |
| 80.02 | 21.9 | 24.48 |
| 80 | 137.63 | 18.0 | 15.34 | 15.31 |
| 117.18 | 16.6 | 15.33 |
| 98.15 | 15.1 | 15.24 |
| 70 | 151.76 | 12.5 | 10.15 | 10.16 |
| 126.36 | 11.4 | 10.14 |
| 106.40 | 10.5 | 10.18 |
| 60 | 156.93 | 8.5 | 6.79 | 6.84 |
| 120.36 | 7.5 | 6.84 |
| 94.63 | 6.7 | 6.89 |
| 50 | 142.48 | 5.6 | 4.69 | 4.68 |
| 122.00 | 5.2 | 4.71 |
| 94.24 | 4.5 | 4.64 |
| 40 | 138.35 | 3.9 | 3.32 | 3.32 |
| 106.67 | 3.4 | 3.29 |
| 85.89 | 3.1 | 3.34 |
| 30 | 132.31 | 2.6 | 2.26 | 2.27 |
| 92.63 | 2.2 | 2.29 |
| 70.92 | 1.9 | 2.26 |
| 20 | 101.35 | 1.7 | 1.69 | 1.71 |
| 133.55 | 2.0 | 1.73 |
| 163.65 | 2.2 | 1.72 |
| 10 | 166.07 | 1.8 | 1.40 | 1.41 |
| 139.77 | 1.7 | 1.44 |
| 113.58 | 1.5 | 1.41 |
), ArticleFig(id=1320037993923064277, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=EN, label=Tab.6, caption=
Comparison of experimental results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | | | 允许偏差/% | 实际偏差/% |
|---|
| 10 | 1.41 | 0.95 | 20.22 | 48.42 |
| 20 | 1.71 | 1.40 | 18.70 | 22.14 |
| 30 | 2.27 | 2.07 | 17.29 | 9.66 |
| 40 | 3.32 | 3.06 | 16.00 | 8.50 |
| 50 | 4.68 | 4.53 | 14.79 | 3.31 |
| 60 | 6.84 | 6.69 | 13.68 | 2.24 |
| 70 | 10.16 | 9.90 | 12.65 | 2.63 |
| 80 | 15.31 | 14.63 | 11.69 | 4.65 |
| 90 | 24.42 | 21.64 | 10.82 | 12.85 |
| 100 | 34.85 | 32.00 | 10.00 | 8.91 |
), ArticleFig(id=1320037994002756054, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037986847273331, language=CN, label=表6, caption=
试验结果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开度/% | | | 允许偏差/% | 实际偏差/% |
|---|
| 10 | 1.41 | 0.95 | 20.22 | 48.42 |
| 20 | 1.71 | 1.40 | 18.70 | 22.14 |
| 30 | 2.27 | 2.07 | 17.29 | 9.66 |
| 40 | 3.32 | 3.06 | 16.00 | 8.50 |
| 50 | 4.68 | 4.53 | 14.79 | 3.31 |
| 60 | 6.84 | 6.69 | 13.68 | 2.24 |
| 70 | 10.16 | 9.90 | 12.65 | 2.63 |
| 80 | 15.31 | 14.63 | 11.69 | 4.65 |
| 90 | 24.42 | 21.64 | 10.82 | 12.85 |
| 100 | 34.85 | 32.00 | 10.00 | 8.91 |
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