Article(id=1319293153975316898, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293088569344063, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.04.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1725897600000, receivedDateStr=2024-09-10, revisedDate=1740412800000, revisedDateStr=2025-02-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473599189, onlineDateStr=2026-10-20, pubDate=1745942400000, pubDateStr=2025-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473599189, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473599189, creator=13701087609, updateTime=1792473599189, updator=13701087609, issue=Issue{id=1319293088569344063, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='4', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1745942400000', pubDateStr='2025-04-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473583595, creator='13701087609', updateTime=1792473583595, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=61, endPage=67, ext={EN=ArticleExt(id=1319293155594318243, articleId=1319293153975316898, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Structural optimization design of ejectors for automotive fuel cells under low‑power operating conditions, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to optimize the elicitation performance of the elicitor of the hydrogen recirculation system of a proton exchange membrane fuel cell in the low‑power region,structural parameters of the elicitor of a 40 kW‑class fuel cell were simulated.Univariate influence tests were carried out at a given power to investigate the influence of nozzle throat diameter,mixing chamber diameter,mixing chamber length and the distance between the outlet of nozzle and the inlet of the mixing chamber on the performance of the ejector.The orthogonal tests were carried out by selecting the better three parameters from each of the four factors mentioned above,and the extreme deviation of the test results was analyzed to get the optimal combinations of the parameters mentioned above and the sequence of the degree of influence on the ejection performance of the ejector.Finally,the optimized ejector was simulated.The results show the maximum hydrogen reflux ratio of 2.315 is obtained when the nozzle throat diameter,mixing diameter,mixing chamber length,and the distance between the outlet of nozzle and the inlet of the mixing chamber are taken as 0.8,3.0,18,2.5 mm,respectively,under the working condition of 60 A.The results of the study show that among the four parameters mentioned above,low power condition has a significant effect on the ejection coefficient,while low power condition has a significant effect on the ejection coefficient,and low power condition has a significant effect on the ejection coefficient.Among the four parameters mentioned above,the parameter that has the greatest influence on the ejection coefficient under low power condition is the nozzle throat diameter,and the parameter that has the least influence on the ejection coefficient is the distance between the outlet of nozzle and the inlet of the mixing chamber.The results of the study provide a reference for the optimization of the structural parameters of the ejector under low‑power working conditions.
, authors=Wentao JIANG, Ziyao WU, Ran ZHOU, authorsList=Wentao JIANG, Ziyao WU, Ran ZHOU, authorCompany=null, correspAuthors=Ziyao 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=1319293157167182258, articleId=1319293153975316898, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=车用燃料电池低功率工况下引射器结构优化设计, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
为优化质子交换膜燃料电池氢气循环系统引射器在低功率区的引射性能,针对40 kW级燃料电池引射器结构参数进行了仿真试验。在给定功率下进行单变量影响试验,分别研究喷嘴喉部直径、混合室直径、混合室长度、喷嘴出口与混合室入口距离对引射器性能的影响,并从上述4个因素中分别选取较优的3个参数进行正交试验,对试验结果的极差进行分析,得到上述参数的最优组合和对引射器引射性能的影响程度的顺序;对优化后的引射器进行仿真试验。结果表明,在燃料电池工作电流为60 A的工作条件下,喷嘴喉部直径、混合室直径、混合室长度、喷嘴出口与混合室入口距离分别取0.8,3.0,18,2.5 mm时,得到最大的氢气回流比为2.315;在上述4个参数中,低功率工况下对引射系数影响最大的参数为喷嘴喉部直径,对引射系数影响最小的参数为喷嘴出口相对混合室入口距离。研究结果可为低功率工况下引射器结构参数的优化提供参考。
, authors=姜文涛, 吴子尧, 周冉, authorsList=姜文涛, 吴子尧, 周冉, authorCompany=null, correspAuthors=吴子尧, authorNote=
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吴子尧(1986),男,博士,讲师,研究方向为质子交换膜燃料电池及锂离子电池检测,通信地址:110870沈阳经济技术开发区沈辽西路111号沈阳工业大学机械工程学院,E-mail:
wzy-1986520@163.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=kY+L0Y4fFGAKRNjjON0dSw==, magXml=CZ8nK2Mf0YU4g+03senJ1A==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=qD8jbHgViHA9PtVkhr6aEA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=ONK86C+EkW4b8bouRCMxkA==, mapNumber=null, fund=null)}, authors=[Author(id=1319293157620167095, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=18235105265@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293157716636089, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, authorId=1319293157620167095, language=EN, stringName=Wentao JIANG, firstName=Wentao, middleName=null, lastName=JIANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Mechanical Engineering,Shenyang University of Technology,Shenyang 110870,China), bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1319293157800522170, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, authorId=1319293157620167095, language=CN, stringName=姜文涛, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=沈阳工业大学 机械工程学院,沈阳 110870, bio={"content":"
姜文涛(2002),男,硕士研究生,研究方向为燃料电池引射器,E-mail:18235105265@163.com。
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姜文涛(2002),男,硕士研究生,研究方向为燃料电池引射器,E-mail:18235105265@163.com。
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journalId=1316781260334530699, articleId=1319293153975316898, language=CN, orderNo=1, keyword=质子交换膜燃料电池), Keyword(id=1319293160300327370, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, orderNo=2, keyword=低功率区), Keyword(id=1319293160359047627, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, orderNo=3, keyword=引射器), Keyword(id=1319293160430350796, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, orderNo=4, keyword=正交试验)], refs=[Reference(id=1319293165694202345, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, 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=陈全世,仇斌,谢起成.燃料电池电动汽车[M].北京:清华大学出版社,2005., 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Hydrogen Energy,2006,31(3):371-377., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1319293157515309491, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, xref=null, ext=[AuthorCompanyExt(id=1319293157523698100, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, companyId=1319293157515309491, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Mechanical Engineering,Shenyang University of Technology,Shenyang 110870,China)), AuthorCompanyExt(id=1319293157532086709, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, companyId=1319293157515309491, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=沈阳工业大学 机械工程学院,沈阳 110870)])], figs=[ArticleFig(id=1319293160564568525, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Fig.1, caption=
Structure of ejector, figureFileSmall=TdpHFSADbYD32oa/T4bdPg==, figureFileBig=qD8jbHgViHA9PtVkhr6aEA==, tableContent=null), ArticleFig(id=1319293160640065998, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=图1, caption=
引射器结构, figureFileSmall=TdpHFSADbYD32oa/T4bdPg==, figureFileBig=qD8jbHgViHA9PtVkhr6aEA==, tableContent=null), ArticleFig(id=1319293160828809679, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Fig.2, caption=
Comparison of simulation results and test results, figureFileSmall=mm2xz4AgPpNhVq7cyYAJ0g==, figureFileBig=Y5xauW0s5Cg2ocVz0C8YgA==, tableContent=null), ArticleFig(id=1319293160895918544, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=图2, caption=
仿真结果与试验结果的对比, figureFileSmall=mm2xz4AgPpNhVq7cyYAJ0g==, figureFileBig=Y5xauW0s5Cg2ocVz0C8YgA==, tableContent=null), ArticleFig(id=1319293160971416017, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Fig.3, caption=
Effect of Dn on hydrogen reflux rate, figureFileSmall=MWP6IvBEZba9N5xRZNfyBw==, figureFileBig=d6E2eoEWpjHj9jUKptXbtA==, tableContent=null), ArticleFig(id=1319293161051107794, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=图3, caption=
Dn对氢气回流比的影响, figureFileSmall=MWP6IvBEZba9N5xRZNfyBw==, figureFileBig=d6E2eoEWpjHj9jUKptXbtA==, tableContent=null), ArticleFig(id=1319293161143382483, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Fig.4, caption=
Effect of Dn on primary fluid inlet pressure, figureFileSmall=2mjx5l+dPdvms6j2fsHEyQ==, figureFileBig=viO6xdfJamy6VZ81MPktQw==, tableContent=null), ArticleFig(id=1319293161214685652, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=图4, caption=
Dn对一次流入口压力的影响, figureFileSmall=2mjx5l+dPdvms6j2fsHEyQ==, figureFileBig=viO6xdfJamy6VZ81MPktQw==, tableContent=null), ArticleFig(id=1319293161298571733, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Fig.5, caption=
Effect of NXP on hydrogen reflux rate, figureFileSmall=Nhab+6yV+MhW2v2sfWAQww==, figureFileBig=7mAIAcR7iWW7KTpUo9S3lg==, tableContent=null), ArticleFig(id=1319293161369874902, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=图5, caption=
NXP对氢气回流比的影响, figureFileSmall=Nhab+6yV+MhW2v2sfWAQww==, figureFileBig=7mAIAcR7iWW7KTpUo9S3lg==, tableContent=null), ArticleFig(id=1319293161432789463, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Fig.6, caption=
Effect of Dm on hydrogen reflux rate, figureFileSmall=3obWDvs/Joi496bIQ8GKOQ==, figureFileBig=59c9vqS0RrT0OpPcWG3kSw==, tableContent=null), ArticleFig(id=1319293161529258456, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=图6, caption=
Dm对氢气回流比的影响, figureFileSmall=3obWDvs/Joi496bIQ8GKOQ==, figureFileBig=59c9vqS0RrT0OpPcWG3kSw==, tableContent=null), ArticleFig(id=1319293161608950233, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Fig.7, caption=
Effect of Lmon hydrogen reflux rate, figureFileSmall=yV+EMMElu9BxMiDguVE86Q==, figureFileBig=gtKhByqyOPkkPBb1zqN+Qg==, tableContent=null), ArticleFig(id=1319293161743167962, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=图7, caption=
Lm对氢气回流比的影响, figureFileSmall=yV+EMMElu9BxMiDguVE86Q==, figureFileBig=gtKhByqyOPkkPBb1zqN+Qg==, tableContent=null), ArticleFig(id=1319293161814471131, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Tab.1, caption=
Main characteristic parameters of a 40 kW PEMFC stack
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 单电池数 | 200 |
| 电池活性面积/cm2 | 190 |
| 工作温度/K | 343.15 |
| 阳极入口压力最大值/MPa | 0.25 |
| 最大输出电流/A | 280 |
), ArticleFig(id=1319293162162598364, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=表1, caption=
40 kW级PEMFC的主要特征参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 单电池数 | 200 |
| 电池活性面积/cm2 | 190 |
| 工作温度/K | 343.15 |
| 阳极入口压力最大值/MPa | 0.25 |
| 最大输出电流/A | 280 |
), ArticleFig(id=1319293162254873053, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Tab.2, caption=
Boundary conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 一次流入口温度/K | 293.15 |
| 一次流入口质量流量/(g·s-1) | 0.12~0.20 |
| 二次流入口压力/MPa | 0.14~P |
| 二次流入口温度/K | 333.15 |
| 二次流水蒸气质量分数 | 0.57 |
| 混合流体出口压力/MPa | 0.14 |
), ArticleFig(id=1319293162317787614, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=表2, caption=
边界条件
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 一次流入口温度/K | 293.15 |
| 一次流入口质量流量/(g·s-1) | 0.12~0.20 |
| 二次流入口压力/MPa | 0.14~P |
| 二次流入口温度/K | 333.15 |
| 二次流水蒸气质量分数 | 0.57 |
| 混合流体出口压力/MPa | 0.14 |
), ArticleFig(id=1319293162619777503, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Tab.3, caption=
Test ejector structure parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 参数 | 数值 |
|---|
| Dp/mm | 10.0 | | θc/(°) | 60.0 |
| Ds/mm | 7.3 | | θd/(°) | 3.0 |
| Dn/mm | 4.6 | | NXP/mm | 3.4 |
| Dm/mm | 6.0 | | Ld/mm | 66.7 |
| Lm/mm | 8.0 | | Dd/mm | 10.0 |
), ArticleFig(id=1319293162699469280, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=表3, caption=
试验引射器结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 参数 | 数值 |
|---|
| Dp/mm | 10.0 | | θc/(°) | 60.0 |
| Ds/mm | 7.3 | | θd/(°) | 3.0 |
| Dn/mm | 4.6 | | NXP/mm | 3.4 |
| Dm/mm | 6.0 | | Ld/mm | 66.7 |
| Lm/mm | 8.0 | | Dd/mm | 10.0 |
), ArticleFig(id=1319293164347830753, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Tab.4, caption=
Preliminary design parameters of the ejector
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 参数 | 数值 |
|---|
| Dp/mm | 10 | | θc/(°) | 60 |
| Ds/mm | 8 | | θd/(°) | 10 |
| Dd/mm | 10 | | | |
), ArticleFig(id=1319293164448494050, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=表4, caption=
引射器初步设计参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 参数 | 数值 |
|---|
| Dp/mm | 10 | | θc/(°) | 60 |
| Ds/mm | 8 | | θd/(°) | 10 |
| Dd/mm | 10 | | | |
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Ejector structural parameters
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| 参数 | 取值 | 控制结构参数 |
|---|
| Dn | 0.8~1.6 | Dm=3.6,Lm=18,NXP=3 |
| Dm | 2.4~4.8 | Dn=1.2,Lm=18,NXP=3 |
| Lm | 10.8~25.2 | Dn=1.2,Dm=3.6,NXP=3 |
| NXP | 1.0~3.0 | Dn=1.2,Dm=3.6,Lm=18 |
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引射器结构参数
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| 参数 | 取值 | 控制结构参数 |
|---|
| Dn | 0.8~1.6 | Dm=3.6,Lm=18,NXP=3 |
| Dm | 2.4~4.8 | Dn=1.2,Lm=18,NXP=3 |
| Lm | 10.8~25.2 | Dn=1.2,Dm=3.6,NXP=3 |
| NXP | 1.0~3.0 | Dn=1.2,Dm=3.6,Lm=18 |
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Structural parameters and level of the ejector
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| 水平 | Dn/mm | Dm/mm | Lm/mm | NXP/mm |
|---|
| 1 | 0.8 | 2.4 | 10.8 | 1.5 |
| 2 | 1.0 | 3.0 | 14.4 | 2.0 |
| 3 | 1.2 | 3.6 | 18 | 2.5 |
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正交试验的参数水平选择
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | Dn/mm | Dm/mm | Lm/mm | NXP/mm |
|---|
| 1 | 0.8 | 2.4 | 10.8 | 1.5 |
| 2 | 1.0 | 3.0 | 14.4 | 2.0 |
| 3 | 1.2 | 3.6 | 18 | 2.5 |
), ArticleFig(id=1319293165190885863, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=EN, label=Tab.7, caption=
Results of orthogonal tests
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试验 号 | 1 Dn | 2 Dm | 3 Lm | 4 NXP | | Pp/MPa |
|---|
| 1 | 1 | 1 | 1 | 1 | 0.406 | 0.334 |
| 2 | 1 | 2 | 2 | 2 | 0.611 | 0.335 |
| 3 | 1 | 3 | 3 | 3 | 0.603 | 0.336 |
| 4 | 2 | 1 | 2 | 3 | 0.323 | 0.218 |
| 5 | 2 | 2 | 3 | 1 | 0.384 | 0.217 |
| 6 | 2 | 3 | 1 | 2 | 0.340 | 0.220 |
| 7 | 3 | 1 | 3 | 2 | 0.222 | 0.176 |
| 8 | 3 | 2 | 1 | 3 | 0.255 | 0.175 |
| 9 | 3 | 3 | 2 | 1 | 0.241 | 0.175 |
| ki1 | 0.540 | 0.317 | 0.333 | 0.344 | | |
| ki2 | 0.349 | 0.416 | 0.392 | 0.391 | | |
| ki3 | 0.240 | 0.395 | 0.403 | 0.394 | | |
| R | 0.300 | 0.099 | 0.070 | 0.055 | | |
), ArticleFig(id=1319293165509652968, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293153975316898, language=CN, label=表7, caption=
正交试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
试验 号 | 1 Dn | 2 Dm | 3 Lm | 4 NXP | | Pp/MPa |
|---|
| 1 | 1 | 1 | 1 | 1 | 0.406 | 0.334 |
| 2 | 1 | 2 | 2 | 2 | 0.611 | 0.335 |
| 3 | 1 | 3 | 3 | 3 | 0.603 | 0.336 |
| 4 | 2 | 1 | 2 | 3 | 0.323 | 0.218 |
| 5 | 2 | 2 | 3 | 1 | 0.384 | 0.217 |
| 6 | 2 | 3 | 1 | 2 | 0.340 | 0.220 |
| 7 | 3 | 1 | 3 | 2 | 0.222 | 0.176 |
| 8 | 3 | 2 | 1 | 3 | 0.255 | 0.175 |
| 9 | 3 | 3 | 2 | 1 | 0.241 | 0.175 |
| ki1 | 0.540 | 0.317 | 0.333 | 0.344 | | |
| ki2 | 0.349 | 0.416 | 0.392 | 0.391 | | |
| ki3 | 0.240 | 0.395 | 0.403 | 0.394 | | |
| R | 0.300 | 0.099 | 0.070 | 0.055 | | |
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