Article(id=1205887576393711896, tenantId=1146029695717560320, journalId=1205116786560364546, issueId=1205245992296767592, articleNumber=null, orderNo=null, doi=10.16236/j.cnki.nrjxb.202401008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1664121600000, receivedDateStr=2022-09-26, revisedDate=1679241600000, revisedDateStr=2023-03-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1765435602520, onlineDateStr=2025-12-11, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1765435602520, onlineIssueDateStr=2025-12-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1765435602520, creator=system, updateTime=1765435602520, updator=system, issue=Issue{id=1205245992296767592, tenantId=1146029695717560320, journalId=1205116786560364546, year='2024', volume='42', issue='1', pageStart='1', pageEnd='96', issueExtLink='null', onlineDate='null', pubDate='1704816000000', pubDateStr='2024-01-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1765282636938, creator='system', updateTime=1765529609876, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1206281871902700151, tenantId=1146029695717560320, journalId=1205116786560364546, issueId=1205245992296767592, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1206281871902700152, tenantId=1146029695717560320, journalId=1205116786560364546, issueId=1205245992296767592, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=61, endPage=69, ext={EN=ArticleExt(id=1205887576574066970, articleId=1205887576393711896, tenantId=1146029695717560320, journalId=1205116786560364546, language=EN, title=Simultaneous Measurement of Instantaneous Injection Rate of a Dual Fuel Injector, columnId=null, journalTitle=Transactions of CSICE, columnName=null, runingTitle=null, highlight=null, articleAbstract=
A combined measurement method was proposed and applied to the study of transient dual fuel injection rate of a high-pressure nature gas and diesel co-direct injection engine. Firstly,since the traditional "momentum method" could only obtain the injection pattern but not the accurate injection rate,a parallel test method was proposed to obtain the circular injection quantity by collecting and testing the pressure change in the cavity,and the accurate gas injection pattern curve by combining the transient momentum signal. Then,the measurement and time characteristics of the injector were verified. Finally,the common working conditions of the diesel-natural gas dual fuel injector were tested. The results show that the method solves the problem that two-phase fuel injection rates are difficult to measure in the same field,and achieves the accurate measurement of the instantaneous injection rate of diesel and natural gas in the dual fuel injector. The test error of injection mass is not more than 5%,and the test error at the start moment and end moment of injection is not more than 0.113ms. Besides,the fluctuation rate of diesel injection mass and natural gas injection mass is not more than 1.4% and 2.9%,respectively. With the increase of injection pressure,the opening period of the injector decreases and the closing period increases,and the opening and the closing speeds of the internal diesel needle are greater than those of the external gas needle. The injection of diesel injection affects the gas injection mass by affecting the duration of the gas injection,and the gas injection mass fluctuates up and down with the gas-only injection.
, authors=null, authorsList=Tanqing Zhou, Xiyu Yang, Xiaoyan Wang, Daijun Wei, Quan 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=1205887579367473472, articleId=1205887576393711896, tenantId=1146029695717560320, journalId=1205116786560364546, language=CN, title=双燃料喷射器油-气瞬时质量流率同场测量方法, columnId=0, journalTitle=内燃机学报, columnName=, runingTitle=null, highlight=null, articleAbstract=
提出一种组合式的测量方法,将其应用于缸内高压直喷柴油/天然气发动机双燃料喷射器瞬态燃料质量流率的研究,实现了两相燃料同场高精度测试.针对传统“动量法”只能获取喷气规律型线无法获取准确质量流率的问题,提出一种平行测试的方法,通过采集测试容腔内的压力变化获取循环喷气量,结合瞬态动量信号得到精确的喷气规律曲线.并对喷射器的计量特征及时间特征进行验证.最后对柴油/天然气双燃料喷射器常用工况进行测试,结果表明:该方法解决了两相燃料难以同场测量的问题,实现了双燃料喷射器油-气瞬时质量流率的精确测量;喷气量测试误差不超过5%,喷油及喷气起始时刻与结束时刻的测试误差不超过0.113ms,喷油量及喷气量的波动率分别不超过1.4%和2.9%.随着燃料喷射压力增加,喷射器的开启时段减小、关闭时段增加,且内部轴针开启和关闭的速度均大于外部轴针.引燃油的喷射通过影响喷气持续期影响喷气量,先油后气喷射方式下的喷气量在仅喷气方式下的喷气量上、下波动.
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Momentum test system and mechanism for parallel test of gas injection profile and gas injection volume, figureFileSmall=Ue3NVQEIbtOB/ncygwdnhw==, figureFileBig=ol02BSPbxDyuTj1YME8pDg==, tableContent=null), ArticleFig(id=1205887582685167981, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图1, caption=
动量法及喷气规律型线与喷气量平行测试装置, figureFileSmall=Ue3NVQEIbtOB/ncygwdnhw==, figureFileBig=ol02BSPbxDyuTj1YME8pDg==, tableContent=null), ArticleFig(id=1205887582865523054, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.2, caption=
Gas injection pattern and variation of back pressure, figureFileSmall=XjladRFLasII1/ZuDxIPEQ==, figureFileBig=oWOg4V7605l94UqyRDQoEQ==, tableContent=null), ArticleFig(id=1205887582932631919, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图2, caption=
喷气规律型线与背压变化曲线, figureFileSmall=XjladRFLasII1/ZuDxIPEQ==, figureFileBig=oWOg4V7605l94UqyRDQoEQ==, tableContent=null), ArticleFig(id=1205887583020712304, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.3, caption=
Structure of dual fuel electronically controlled injector, figureFileSmall=F6GLsFtibN2wGiiWDcYgLg==, figureFileBig=noSQCSn8ghjlH2PQ0B7jbw==, tableContent=null), ArticleFig(id=1205887583079432561, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图3, caption=
双燃料电控喷射器结构示意, figureFileSmall=F6GLsFtibN2wGiiWDcYgLg==, figureFileBig=noSQCSn8ghjlH2PQ0B7jbw==, tableContent=null), ArticleFig(id=1205887583167512946, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.4, caption=
Distribution of gas holes and diesel holes in injectors, figureFileSmall=BMyvn7XmGdTqwfA/3aKJvg==, figureFileBig=Z0vxCzPCg0WjOOk5WsYU4g==, tableContent=null), ArticleFig(id=1205887583230427507, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图4, caption=
喷射器气孔和油孔的分布, figureFileSmall=BMyvn7XmGdTqwfA/3aKJvg==, figureFileBig=Z0vxCzPCg0WjOOk5WsYU4g==, tableContent=null), ArticleFig(id=1205887583289147764, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.5, caption=
Schematic diagram of test system, figureFileSmall=u15g46tH6pHNRpLbThKXZg==, figureFileBig=3e31PbpMohicL5lifTNjEw==, tableContent=null), ArticleFig(id=1205887583347868021, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图5, caption=
测试系统示意, figureFileSmall=u15g46tH6pHNRpLbThKXZg==, figureFileBig=3e31PbpMohicL5lifTNjEw==, tableContent=null), ArticleFig(id=1205887583410782582, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.6, caption=
Electronics of the measurement system, figureFileSmall=xxef+GSQBy/4KharO2DsCg==, figureFileBig=yEi7qshGJWp0ggMCqXIJTw==, tableContent=null), ArticleFig(id=1205887583482085751, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图6, caption=
测试系统的电气组成, figureFileSmall=xxef+GSQBy/4KharO2DsCg==, figureFileBig=yEi7qshGJWp0ggMCqXIJTw==, tableContent=null), ArticleFig(id=1205887583557583224, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.7, caption=
Test device for accuracy verification, figureFileSmall=oBxszwoBC+Bc0X2VWqwrog==, figureFileBig=Usa8BmKAo7JNSgxOwzmFAw==, tableContent=null), ArticleFig(id=1205887583607914873, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图7, caption=
精度验证试验装置, figureFileSmall=oBxszwoBC+Bc0X2VWqwrog==, figureFileBig=Usa8BmKAo7JNSgxOwzmFAw==, tableContent=null), ArticleFig(id=1205887583683412346, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.8, caption=
Comparison of gas injection volume between two methods, figureFileSmall=KjXhjLVcz54j/qR4Y/Tlqg==, figureFileBig=CBkZNbRnNYi1VrkVm6OsgQ==, tableContent=null), ArticleFig(id=1205887583742132603, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图8, caption=
两种方法的喷气量对比, figureFileSmall=KjXhjLVcz54j/qR4Y/Tlqg==, figureFileBig=CBkZNbRnNYi1VrkVm6OsgQ==, tableContent=null), ArticleFig(id=1205887583796658556, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.9, caption=
High speed photography system and timing, figureFileSmall=UKLN5Wu0yzDzEOle/U8ajw==, figureFileBig=hQ7ikm/Xffdrrj7Q0c93AQ==, tableContent=null), ArticleFig(id=1205887583859573117, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图9, caption=
高速摄影系统与时序, figureFileSmall=UKLN5Wu0yzDzEOle/U8ajw==, figureFileBig=hQ7ikm/Xffdrrj7Q0c93AQ==, tableContent=null), ArticleFig(id=1205887585046561150, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.10, caption=
Characteristic time of fuel injection and gas injection, figureFileSmall=IY4ijNF630qvqEqwpMHk0A==, figureFileBig=/26LKIgWq6J0HyXEqDBsTw==, tableContent=null), ArticleFig(id=1205887585147224447, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图10, caption=
喷油及喷气特征时刻图像, figureFileSmall=IY4ijNF630qvqEqwpMHk0A==, figureFileBig=/26LKIgWq6J0HyXEqDBsTw==, tableContent=null), ArticleFig(id=1205887585222721920, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.11, caption=
Characteristic time identified by momentum method, figureFileSmall=9qGX81lzYSGODgpf217IGA==, figureFileBig=TbvNqVXqD1bx/qikayZmbQ==, tableContent=null), ArticleFig(id=1205887585298219393, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图11, caption=
动量法特征时刻识别, figureFileSmall=9qGX81lzYSGODgpf217IGA==, figureFileBig=TbvNqVXqD1bx/qikayZmbQ==, tableContent=null), ArticleFig(id=1205887585369522562, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.12, caption=
Consistency of diesel injection mass and natural gas injection mass, figureFileSmall=VkW1nAJPgVThHaj/fcz/tA==, figureFileBig=DDHQJQxLUVwWKG3eQfK6eg==, tableContent=null), ArticleFig(id=1205887585445020035, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图12, caption=
喷油量和喷气量一致性, figureFileSmall=VkW1nAJPgVThHaj/fcz/tA==, figureFileBig=DDHQJQxLUVwWKG3eQfK6eg==, tableContent=null), ArticleFig(id=1205887585524711812, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.13, caption=
Opening and closing time of fuel injection, figureFileSmall=Sl9dOmXWDHEUohLjbLUVnw==, figureFileBig=vtyDk9W6uBfjNuLOximG+A==, tableContent=null), ArticleFig(id=1205887585654735237, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图13, caption=
燃料喷射开启和结束时段, figureFileSmall=Sl9dOmXWDHEUohLjbLUVnw==, figureFileBig=vtyDk9W6uBfjNuLOximG+A==, tableContent=null), ArticleFig(id=1205887585839284614, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.14, caption=
Fuel injection rates at different gas injection pulses, figureFileSmall=aYbtqK8sElUhSykDYBRusA==, figureFileBig=Eqr395zjCF7p4OHkfuVLuQ==, tableContent=null), ArticleFig(id=1205887585918976391, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图14, caption=
不同喷气脉宽下燃料质量流率, figureFileSmall=aYbtqK8sElUhSykDYBRusA==, figureFileBig=Eqr395zjCF7p4OHkfuVLuQ==, tableContent=null), ArticleFig(id=1205887585986085256, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.15, caption=
Fuel injection rates at different gas injection pressures, figureFileSmall=gz82YEMAoePSOyYUsebzJA==, figureFileBig=4YT8HghCtE6KraskCXobwA==, tableContent=null), ArticleFig(id=1205887586069971337, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图15, caption=
不同喷气压力下燃料质量流率, figureFileSmall=gz82YEMAoePSOyYUsebzJA==, figureFileBig=4YT8HghCtE6KraskCXobwA==, tableContent=null), ArticleFig(id=1205887586158051722, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.16, caption=
Opening and closing periods of fuel injection at different gas injection pressures, figureFileSmall=z46KDuTVf1hz1UXf8gi/rw==, figureFileBig=Uvp1yCz1AE4XT64kxC5bYw==, tableContent=null), ArticleFig(id=1205887586225160587, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图16, caption=
不同喷气压力下燃料喷射的开启与关闭时段, figureFileSmall=z46KDuTVf1hz1UXf8gi/rw==, figureFileBig=Uvp1yCz1AE4XT64kxC5bYw==, tableContent=null), ArticleFig(id=1205887586371961228, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.17, caption=
Gas injection rate at different diesel-gas injection intervals, figureFileSmall=BMvTHt+isLLp0sDoU/Ub9g==, figureFileBig=EUmax3Ksgb0+dyeLs0xI/g==, tableContent=null), ArticleFig(id=1205887586443264397, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图17, caption=
不同油-气间隔的燃气质量流率, figureFileSmall=BMvTHt+isLLp0sDoU/Ub9g==, figureFileBig=EUmax3Ksgb0+dyeLs0xI/g==, tableContent=null), ArticleFig(id=1205887586531344782, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Fig.18, caption=
Fluctuation of gas injection mass at different diesel-gas injection intervals, figureFileSmall=QDrkKEbcgiJEP4tnaxE8nQ==, figureFileBig=lBujLotF/POKrg7FyFXmQw==, tableContent=null), ArticleFig(id=1205887586598453647, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=图18, caption=
不同油-气间隔喷气量波动, figureFileSmall=QDrkKEbcgiJEP4tnaxE8nQ==, figureFileBig=lBujLotF/POKrg7FyFXmQw==, tableContent=null), ArticleFig(id=1205887586678145424, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Tab.1, caption=
Parameters of main equipment of test bench
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验设备 | 型号 |
|---|
| 力传感器 | Kistler 9207 |
| 背压传感器 | AVL GU22CK |
| 压力传感器 | Kistler 4067C3000 |
| 温度传感器 | OMEGA PT100 |
| 高压气源 | N2 |
| DAQ系统 | NI USB-6361 |
), ArticleFig(id=1205887586757837201, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=表1, caption=
测试系统主要设备
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验设备 | 型号 |
|---|
| 力传感器 | Kistler 9207 |
| 背压传感器 | AVL GU22CK |
| 压力传感器 | Kistler 4067C3000 |
| 温度传感器 | OMEGA PT100 |
| 高压气源 | N2 |
| DAQ系统 | NI USB-6361 |
), ArticleFig(id=1205887586854306194, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Tab.2, caption=
Comparison of identification results of characteristic time between the two methods
, figureFileSmall=null, figureFileBig=null, tableContent=
| 时刻 | 动量法 | 高速摄影法 |
|---|
| 喷油开始 | 1.172 | 1.075 |
| 喷油结束 | 2.288 | 2.175 |
| 喷气开始 | 2.724 | 2.650 |
| 喷气结束 | 4.616 | 4.525 |
), ArticleFig(id=1205887586963358099, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=表2, caption=
两种方法特征时刻识别结果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 时刻 | 动量法 | 高速摄影法 |
|---|
| 喷油开始 | 1.172 | 1.075 |
| 喷油结束 | 2.288 | 2.175 |
| 喷气开始 | 2.724 | 2.650 |
| 喷气结束 | 4.616 | 4.525 |
), ArticleFig(id=1205887587030466964, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Tab.3, caption=
Test conditions of nature gas injection and diesel injection
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 喷气压力/MPa | 15,20,25,28,32 |
| 喷油脉宽/ms | 0.8 |
| 油-气间隔/ms | 1.2 |
| 喷气脉宽/ms | 0.5,0.6,0.8,1.0,1.5,2.0 |
), ArticleFig(id=1205887587114353045, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=表3, caption=
油-气喷射试验工况点
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 喷气压力/MPa | 15,20,25,28,32 |
| 喷油脉宽/ms | 0.8 |
| 油-气间隔/ms | 1.2 |
| 喷气脉宽/ms | 0.5,0.6,0.8,1.0,1.5,2.0 |
), ArticleFig(id=1205887587185656214, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=EN, label=Tab.4, caption=
Test conditions of pilot-diesel injection effect
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 喷油+喷气 | 仅喷气 |
|---|
| 喷气压力/MPa | 28 | 28 |
| 喷油脉宽/ms | 0.8,1.0 | — |
| 油-气间隔/ms | 0.2,0.4,0.6,0.8,1.0,1.2,1.5,2.0,2.5,3.0 | — |
| 喷气脉宽/ms | 1.5,2.0 | 1.5,2.0 |
), ArticleFig(id=1205887587261153687, tenantId=1146029695717560320, journalId=1205116786560364546, articleId=1205887576393711896, language=CN, label=表4, caption=
引燃油影响试验工况点
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 喷油+喷气 | 仅喷气 |
|---|
| 喷气压力/MPa | 28 | 28 |
| 喷油脉宽/ms | 0.8,1.0 | — |
| 油-气间隔/ms | 0.2,0.4,0.6,0.8,1.0,1.2,1.5,2.0,2.5,3.0 | — |
| 喷气脉宽/ms | 1.5,2.0 | 1.5,2.0 |
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