Article(id=1154065255652123102, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1148011752937218501, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20250206, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1718035200000, receivedDateStr=2024-06-11, revisedDate=1743868800000, revisedDateStr=2025-04-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1753080198442, onlineDateStr=2025-07-21, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753080198442, onlineIssueDateStr=2025-07-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753080198442, creator=13701087609, updateTime=1753080198442, updator=13701087609, issue=Issue{id=1148011752937218501, tenantId=1146029695717560320, journalId=1146119989267898375, year='2025', volume='48', issue='2', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1751636930927, creator=13701087609, updateTime=1754905338909, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1161720449667785615, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1148011752937218501, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1161720449667785616, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1148011752937218501, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=44, endPage=54, ext={EN=ArticleExt(id=1154065256063164895, articleId=1154065255652123102, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Parameterized Simulation Optimization on Gas-oxygen/gas-methane Pintle Injector, columnId=1154057566893105509, journalTitle=Missiles and Space Vehicles, columnName=Propulsion, runingTitle=null, highlight=null, articleAbstract=
This study investigates the combustion performance of gas-oxygen and gas-methane pintle injectors, which discusses the influence of pintle injector structure design parameters and thrust chamber combustion design parameters on the combustion performance. Theoretical analysis is carried out by numerical simulation and other methods. The simulation results show that the oxidizer central pintle injector has a higher combustion performance. A larger angle of the pintle head and a smaller distance of the intermediate sleeve have a higher combustion performance. A smaller pintle head radius can significantly play a role in cooling the pintle head, but there is a certain loss of combustion performance. When the speed ratio is about 1.1, the combustion performance is higher, and the temperature of the pintle head is lower. When the mixing ratio of oxygen and methane is around 3, the combustion performance is higher.
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为研究气氧/气甲烷针栓式喷注器的燃烧性能,并讨论针栓式喷注器结构设计参数及推力室燃烧设计参数对燃烧性能的影响规律,采用数值仿真等方法进行理论分析。仿真结果表明:氧化剂中心式针栓式喷注器的燃烧性能更高;较大针栓头部角度和较小中间套筒距离下燃烧性能更高;较小针栓头部半径可以明显起到冷却针栓头部的作用,但燃烧性能有一定损失;速度比在1.1左右时,燃烧性能较高,且针栓头部温度较低;氧气和甲烷的混合比在3左右时,燃烧性能较高。
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郁焕礼(1981—),男,高级工程师,主要研究方向为航天地面设备。
唐潮儿(2001-),女,助理工程师,主要研究方向为液体发动机试验。
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郁焕礼(1981—),男,高级工程师,主要研究方向为航天地面设备。
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唐潮儿(2001-),女,助理工程师,主要研究方向为液体发动机试验。
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2/GCH4 based on PLIF, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1197261107116163194, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, xref=1, ext=[AuthorCompanyExt(id=1197261107124551803, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, companyId=1197261107116163194, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Beijing Institute of Aerospace Testing Technology,Beijing,100074), AuthorCompanyExt(id=1197261107137134716, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, companyId=1197261107116163194, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1北京航天试验技术研究所,北京,100074)]), AuthorCompany(id=1197261107262963837, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, xref=2, ext=[AuthorCompanyExt(id=1197261107271352446, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, companyId=1197261107262963837, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Beijing Aerospace Propulsion Institute,Beijing,100076), AuthorCompanyExt(id=1197261107275546751, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, companyId=1197261107262963837, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2北京航天动力研究所,北京,100076)])], figs=[ArticleFig(id=1197261108684832918, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 1, caption=
Three-dimensional diagram and sectional view of fuel center pintle injector, figureFileSmall=JMTtZ0qY0mBm+WEjGRaTHQ==, figureFileBig=NnC9BlzjhPSQV4L3Z6gGNg==, tableContent=null), ArticleFig(id=1197261108739358871, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图1, caption=
燃料中心式针栓式喷注器三维图和剖面图, figureFileSmall=JMTtZ0qY0mBm+WEjGRaTHQ==, figureFileBig=NnC9BlzjhPSQV4L3Z6gGNg==, tableContent=null), ArticleFig(id=1197261108898742424, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 2, caption=
Configuration and dimensions of thrust chamber with fuel center pintle injector, figureFileSmall=K2+lfTksiGXYGp8DXswFcg==, figureFileBig=lN/K1bD8ll3jXoS3i5CNjA==, tableContent=null), ArticleFig(id=1197261108953268377, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图2, caption=
带有燃料中心式针栓式喷注器推力室构型及尺寸(单位: mm), figureFileSmall=K2+lfTksiGXYGp8DXswFcg==, figureFileBig=lN/K1bD8ll3jXoS3i5CNjA==, tableContent=null), ArticleFig(id=1197261109011988634, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 3, caption=
The grid of numerical simulation, figureFileSmall=/z2GEJ1Xd+s+BWfxddyU1Q==, figureFileBig=GCt3TYGzUR1BRsZlhYqaRg==, tableContent=null), ArticleFig(id=1197261109083291803, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图3, caption=
数值仿真网格, figureFileSmall=/z2GEJ1Xd+s+BWfxddyU1Q==, figureFileBig=GCt3TYGzUR1BRsZlhYqaRg==, tableContent=null), ArticleFig(id=1197261109142012061, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 4, caption=
Comparison between the fuel center and oxidant center thrust chamber, figureFileSmall=s0Ooyx3A+IZRiS/wY25T9A==, figureFileBig=P+6XkEzv7nDbG4LdM4VPFg==, tableContent=null), ArticleFig(id=1197261109217509534, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图4, caption=
燃料中心式和氧化剂中心式推力室对比, figureFileSmall=s0Ooyx3A+IZRiS/wY25T9A==, figureFileBig=P+6XkEzv7nDbG4LdM4VPFg==, tableContent=null), ArticleFig(id=1197261109267841183, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 5, caption=
Comparison of thrust chamber head streamline diagrams, figureFileSmall=ETi5uimJpVye1sIvb65VZw==, figureFileBig=shcfoGMJJMdG0nm1+VgIQw==, tableContent=null), ArticleFig(id=1197261109330755744, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图5, caption=
推力室头部流线图对比, figureFileSmall=ETi5uimJpVye1sIvb65VZw==, figureFileBig=shcfoGMJJMdG0nm1+VgIQw==, tableContent=null), ArticleFig(id=1197261109381087393, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 6, caption=
Comparison of temperature distribution at the head of the fuel center and oxidant center pintle, figureFileSmall=4OEQF9wm1Ftsq1Z4jQPTzQ==, figureFileBig=2X0DfwACGQBcuulHdgOVpA==, tableContent=null), ArticleFig(id=1197261109439807650, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图6, caption=
燃料中心式和氧化剂中心式针栓头部温度分布对比, figureFileSmall=4OEQF9wm1Ftsq1Z4jQPTzQ==, figureFileBig=2X0DfwACGQBcuulHdgOVpA==, tableContent=null), ArticleFig(id=1197261109490139299, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 7, caption=
Effect of combustion chamber shrinkage ratio on thrust chamber, figureFileSmall=6+1xxpwDMcG0u+DbnO01NA==, figureFileBig=O9RfCzx5cIXqm/xuZad2gg==, tableContent=null), ArticleFig(id=1197261109569831076, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图7, caption=
燃烧室收缩比变化对推力室影响, figureFileSmall=6+1xxpwDMcG0u+DbnO01NA==, figureFileBig=O9RfCzx5cIXqm/xuZad2gg==, tableContent=null), ArticleFig(id=1197261109615968421, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 8, caption=
Two-dimensional configuration diagram of pintle injector with different pintle head angles, figureFileSmall=9HeYNVsZRTxV7UmDfETSpg==, figureFileBig=KBS/fpMMdLg4uTGt5LB6NA==, tableContent=null), ArticleFig(id=1197261109695660198, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图8, caption=
不同针栓头部角度针栓喷注器二维构型, figureFileSmall=9HeYNVsZRTxV7UmDfETSpg==, figureFileBig=KBS/fpMMdLg4uTGt5LB6NA==, tableContent=null), ArticleFig(id=1197261109758574759, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 9, caption=
Effect of the pintle head change on the pintle head temperature distribution, figureFileSmall=IVZp7L60renZdrJmJlzkCg==, figureFileBig=dLMAt2f3lLrt/dDKFrZv3Q==, tableContent=null), ArticleFig(id=1197261109821489320, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图9, caption=
针栓头部角度变化对针栓头部温度分布的影响, figureFileSmall=IVZp7L60renZdrJmJlzkCg==, figureFileBig=dLMAt2f3lLrt/dDKFrZv3Q==, tableContent=null), ArticleFig(id=1197261109888598185, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 10, caption=
Two-dimensional configurations of pintle injectors with different intermediate sleeve distances, figureFileSmall=d1GJYkSLRVvgVV3uSz6mzA==, figureFileBig=MDpsPRKbjsgFfPhyQZBJcg==, tableContent=null), ArticleFig(id=1197261109947318442, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图10, caption=
不同中间套筒距离针栓式喷注器二维构型, figureFileSmall=d1GJYkSLRVvgVV3uSz6mzA==, figureFileBig=MDpsPRKbjsgFfPhyQZBJcg==, tableContent=null), ArticleFig(id=1197261110022815915, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 11, caption=
Effect of the intermediate sleeve distance change on the temperature distribution of the pintle head, figureFileSmall=i46Z0an+oVOD1qq3Z1NfCg==, figureFileBig=bx9RFT+xTpd8hblu+FMQrg==, tableContent=null), ArticleFig(id=1197261110085730476, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图11, caption=
中间套筒距离变化对针栓头部温度分布影响, figureFileSmall=i46Z0an+oVOD1qq3Z1NfCg==, figureFileBig=bx9RFT+xTpd8hblu+FMQrg==, tableContent=null), ArticleFig(id=1197261110144450733, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 12, caption=
Effect of the speed ratio change on the temperature distribution of the pintle head, figureFileSmall=QlkfuTPM12TBkIBsVpUO+w==, figureFileBig=n0oRpjDOer6EFh/FVg4igw==, tableContent=null), ArticleFig(id=1197261110203170990, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图12, caption=
速度比变化对针栓头部温度分布影响, figureFileSmall=QlkfuTPM12TBkIBsVpUO+w==, figureFileBig=n0oRpjDOer6EFh/FVg4igw==, tableContent=null), ArticleFig(id=1197261110257696943, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 13, caption=
Effect of the mixing ratio change on the temperature distribution of the pintle head, figureFileSmall=FPUHVIgdDiCSJ71JL4ZHbQ==, figureFileBig=sWWLJBZe7UzhetYHoqUH1g==, tableContent=null), ArticleFig(id=1197261110337388720, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图13, caption=
混合比变化对针栓头部温度分布影响, figureFileSmall=FPUHVIgdDiCSJ71JL4ZHbQ==, figureFileBig=sWWLJBZe7UzhetYHoqUH1g==, tableContent=null), ArticleFig(id=1197261110396108977, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 14, caption=
Two-dimensional configurations of pintle injectors with different pintle head designs, figureFileSmall=8o+24qyFcl6br4LXfAN9qg==, figureFileBig=T9zQ/Lo63X2MlHHho4F0OQ==, tableContent=null), ArticleFig(id=1197261110454829234, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图14, caption=
不同针栓头部设计方式的针栓式喷注器二维构型, figureFileSmall=8o+24qyFcl6br4LXfAN9qg==, figureFileBig=T9zQ/Lo63X2MlHHho4F0OQ==, tableContent=null), ArticleFig(id=1197261110513549491, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 15, caption=
Effect of different pintle head improvement designs on the water components distribution in the thrust chamber, figureFileSmall=mFIzos7Gr8y8UCepgfBM/A==, figureFileBig=99RtSsuNlhOXOaNX4NZN9w==, tableContent=null), ArticleFig(id=1197261110576464052, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图15, caption=
不同针栓头部改进设计对推力室内, figureFileSmall=mFIzos7Gr8y8UCepgfBM/A==, figureFileBig=99RtSsuNlhOXOaNX4NZN9w==, tableContent=null), ArticleFig(id=1197261111637622965, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 16, caption=
Effect of different pintle head improvement designs on the temperature field distribution in the thrust chamber, figureFileSmall=hTAHTP7LftEZfHy/aubr7w==, figureFileBig=69rdfg6kEhpnYFv2YkOl0A==, tableContent=null), ArticleFig(id=1197261111708926135, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图16, caption=
不同针栓头部改进设计对推力室, figureFileSmall=hTAHTP7LftEZfHy/aubr7w==, figureFileBig=69rdfg6kEhpnYFv2YkOl0A==, tableContent=null), ArticleFig(id=1197261111780229304, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 17, caption=
Effect of different pintle head improvement designs on the methane distribution in the thrust chamber, figureFileSmall=LFi7QrrjMtjTFkA7kGWC9Q==, figureFileBig=eFknnCtLh7XkuewIsFBKAg==, tableContent=null), ArticleFig(id=1197261111851532473, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图17, caption=
不同针栓头部改进设计对推力室内甲烷分布影响, figureFileSmall=LFi7QrrjMtjTFkA7kGWC9Q==, figureFileBig=eFknnCtLh7XkuewIsFBKAg==, tableContent=null), ArticleFig(id=1197261111914447034, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Fig. 18, caption=
Effect of different round head designs on the pintle head temperature distribution, figureFileSmall=g1WP7gMryk9PAb/aP21KOg==, figureFileBig=vXdGulOkiV16QnvuYGbKvA==, tableContent=null), ArticleFig(id=1197261112006721723, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=图18, caption=
不同圆头设计对针栓头部温度分布影响, figureFileSmall=g1WP7gMryk9PAb/aP21KOg==, figureFileBig=vXdGulOkiV16QnvuYGbKvA==, tableContent=null), ArticleFig(id=1197261112073830588, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 1, caption=
The design parameters of pintle injectors, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 值 |
|---|
| 氧喷注压降/% | 5 |
| 速度比 | 1.1 |
| 喷注总流量$/\left({\mathrm{g}\cdot {\mathrm{s}}^{-1}}\right)$ | 30 |
| 混合比 | 3.5 |
| 燃烧室压力/MPa | 0.5 |
), ArticleFig(id=1197261112149328062, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表1, caption=
针栓式喷注器设计参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 值 |
|---|
| 氧喷注压降/% | 5 |
| 速度比 | 1.1 |
| 喷注总流量$/\left({\mathrm{g}\cdot {\mathrm{s}}^{-1}}\right)$ | 30 |
| 混合比 | 3.5 |
| 燃烧室压力/MPa | 0.5 |
), ArticleFig(id=1197261112216436927, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 2, caption=
The structural parameters of the fuel central pintle injector, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 符号 | 值 |
|---|
| 外部直径/mm | ${D}_{\text{ob }}$ | 17.94 |
| 内部直径/mm | ${D}_{\text{ib }}$ | 16 |
| 针柱直径/mm | ${D}_{\text{pr }}$ | 2.4 |
| 中间间隙直径/mm | ${D}_{\mathrm{{cg}}}$ | 10 |
| 中间套筒直径/mm | ${D}_{\mathrm{{cp}}}$ | 14 |
| 中间套筒距离/mm | ${L}_{\mathrm{{cp}}}$ | 5 |
| 针栓头部直径/mm | ${D}_{\text{pt }}$ | 16 |
| 针栓头部角度/(°) | ${\theta }_{\text{pt }}$ | 20 |
| 针栓头部厚度/mm | ${t}_{\mathrm{{pe}}}$ | 1 |
), ArticleFig(id=1197261112296128704, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表2, caption=
燃料中心式针栓式喷注器结构参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 符号 | 值 |
|---|
| 外部直径/mm | ${D}_{\text{ob }}$ | 17.94 |
| 内部直径/mm | ${D}_{\text{ib }}$ | 16 |
| 针柱直径/mm | ${D}_{\text{pr }}$ | 2.4 |
| 中间间隙直径/mm | ${D}_{\mathrm{{cg}}}$ | 10 |
| 中间套筒直径/mm | ${D}_{\mathrm{{cp}}}$ | 14 |
| 中间套筒距离/mm | ${L}_{\mathrm{{cp}}}$ | 5 |
| 针栓头部直径/mm | ${D}_{\text{pt }}$ | 16 |
| 针栓头部角度/(°) | ${\theta }_{\text{pt }}$ | 20 |
| 针栓头部厚度/mm | ${t}_{\mathrm{{pe}}}$ | 1 |
), ArticleFig(id=1197261112354848961, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 3, caption=
The comparison of simulated combustion chamber pressures with different grid numbers, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格数量/个 | 仿真燃烧室压力/MPa | 偏差/% |
|---|
| 11 482 | 0.483 654 | -0.28 |
| 19 349 | 0.483 405 | -0.33 |
| 33 435 | 0.485 013 | - |
), ArticleFig(id=1197261112426152130, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表3, caption=
不同网格数量仿真燃烧室压力对比, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格数量/个 | 仿真燃烧室压力/MPa | 偏差/% |
|---|
| 11 482 | 0.483 654 | -0.28 |
| 19 349 | 0.483 405 | -0.33 |
| 33 435 | 0.485 013 | - |
), ArticleFig(id=1197261112489066691, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 4, caption=
The working parameters of pintle injectors, figureFileSmall=null, figureFileBig=null, tableContent=
| 介质 | 质量流量$/\left({\mathrm{g}\cdot {\mathrm{s}}^{-1}}\right)$ | 温度/K | 喷注速度$/\left({\mathrm{m}\cdot {\mathrm{s}}^{-1}}\right)$ |
|---|
| 氧气 | 23.3 | 300 | 86.91 |
| 甲烷 | 6.7 | 300 | 95.60 |
), ArticleFig(id=1197261112585535684, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表4, caption=
针栓式喷注器工作参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 介质 | 质量流量$/\left({\mathrm{g}\cdot {\mathrm{s}}^{-1}}\right)$ | 温度/K | 喷注速度$/\left({\mathrm{m}\cdot {\mathrm{s}}^{-1}}\right)$ |
|---|
| 氧气 | 23.3 | 300 | 86.91 |
| 甲烷 | 6.7 | 300 | 95.60 |
), ArticleFig(id=1197261112656838853, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 5, caption=
The dimensions of the combustion chamber at different shrinkage ratios, figureFileSmall=null, figureFileBig=null, tableContent=
| 燃烧室收缩比${\varepsilon }_{c}$ | 燃烧室直径/mm | 燃烧室圆筒段长度/mm |
|---|
| 6 | 29 | 283 |
| 12 | 41 | 127 |
| 16 | 47 | 86 |
| 20 | 53 | 60 |
), ArticleFig(id=1197261112744919238, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表5, caption=
不同燃烧室收缩比下燃烧室尺寸, figureFileSmall=null, figureFileBig=null, tableContent=
| 燃烧室收缩比${\varepsilon }_{c}$ | 燃烧室直径/mm | 燃烧室圆筒段长度/mm |
|---|
| 6 | 29 | 283 |
| 12 | 41 | 127 |
| 16 | 47 | 86 |
| 20 | 53 | 60 |
), ArticleFig(id=1197261112824611015, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 6, caption=
Effect of combustion chamber shrinkage ratio variation on the combustion performance, figureFileSmall=null, figureFileBig=null, tableContent=
| 燃烧室收缩比 | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 6 | 0.483 405 | 96.68 |
| 12 | 0.491 897 | 98.38 |
| 16 | 0.498 397 | 99.68 |
| 20 | 0.501 607 | 100.32 |
), ArticleFig(id=1197261113021743304, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表6, caption=
燃烧室收缩比变化对燃烧性能影响, figureFileSmall=null, figureFileBig=null, tableContent=
| 燃烧室收缩比 | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 6 | 0.483 405 | 96.68 |
| 12 | 0.491 897 | 98.38 |
| 16 | 0.498 397 | 99.68 |
| 20 | 0.501 607 | 100.32 |
), ArticleFig(id=1197261113084657865, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 7, caption=
The dimensions of structural parameters of pintle injectors with different pintle head angles, figureFileSmall=null, figureFileBig=null, tableContent=
| 针栓头部角度/(°) | 开口距离/mm | 甲烷喷注面积$/{\mathrm{{mm}}}^{2}$ |
|---|
| 0 | 0.86 | 26.98 |
| 20 | 0.94 | 26.98 |
| 30 | 1.04 | 26.98 |
| 40 | 1.19 | 26.98 |
), ArticleFig(id=1197261113143378122, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表7, caption=
不同针栓头部角度针栓式喷注器结构参数尺寸, figureFileSmall=null, figureFileBig=null, tableContent=
| 针栓头部角度/(°) | 开口距离/mm | 甲烷喷注面积$/{\mathrm{{mm}}}^{2}$ |
|---|
| 0 | 0.86 | 26.98 |
| 20 | 0.94 | 26.98 |
| 30 | 1.04 | 26.98 |
| 40 | 1.19 | 26.98 |
), ArticleFig(id=1197261113197904075, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 8, caption=
Effect of the pintle head angle change on the combustion performance, figureFileSmall=null, figureFileBig=null, tableContent=
| 针栓头部角度/(°) | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 0 | 0.501 066 | 100.21 |
| 20 | 0.495 011 | 99.00 |
| 30 | 0.490 964 | 98.19 |
| 40 | 0.487 598 | 97.52 |
), ArticleFig(id=1197261113252430028, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表8, caption=
针栓头部角度变化对燃烧性能的影响, figureFileSmall=null, figureFileBig=null, tableContent=
| 针栓头部角度/(°) | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 0 | 0.501 066 | 100.21 |
| 20 | 0.495 011 | 99.00 |
| 30 | 0.490 964 | 98.19 |
| 40 | 0.487 598 | 97.52 |
), ArticleFig(id=1197261113315344589, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 9, caption=
The dimensions of structural parameters of pintle injectors with different intermediate sleeve distances, figureFileSmall=null, figureFileBig=null, tableContent=
| 中间套筒距离/mm | 针栓头部角度/(°) | 开口距离/mm |
|---|
| 0 | 20 | 0.94 |
| 1 | 20 | 0.94 |
| 5 | 20 | 0.94 |
| 10 | 20 | 0.94 |
), ArticleFig(id=1197261113382453454, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表9, caption=
不同中间套筒距离针栓式喷注器结构参数尺寸, figureFileSmall=null, figureFileBig=null, tableContent=
| 中间套筒距离/mm | 针栓头部角度/(°) | 开口距离/mm |
|---|
| 0 | 20 | 0.94 |
| 1 | 20 | 0.94 |
| 5 | 20 | 0.94 |
| 10 | 20 | 0.94 |
), ArticleFig(id=1197261113453756623, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 10, caption=
Effect of the intermediate sleeve distance change on the combustion performance, figureFileSmall=null, figureFileBig=null, tableContent=
| 中间套筒距离/mm | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 0 | 0.509 363 | 101.87 |
| 1 | 0.492 018 | 98.40 |
| 5 | 0.495 011 | 99.00 |
| 10 | 0.486 393 | 97.28 |
), ArticleFig(id=1197261113516671184, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表10, caption=
中间套筒距离变化对燃烧性能影响, figureFileSmall=null, figureFileBig=null, tableContent=
| 中间套筒距离/mm | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 0 | 0.509 363 | 101.87 |
| 1 | 0.492 018 | 98.40 |
| 5 | 0.495 011 | 99.00 |
| 10 | 0.486 393 | 97.28 |
), ArticleFig(id=1197261113667666129, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 11, caption=
The parameters of pintle injectors with different speed ratios, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度比$n$ | 甲烷喷注速度/( $\mathrm{m}\cdot {\mathrm{s}}^{-1}$) | 氧气喷注速度/$\left({\mathrm{m}\cdot {\mathrm{s}}^{-1}}\right)$ | 开口距离/mm |
|---|
| 0.5 | 43.5 | 86.9 | 2.17 |
| 1.1 | 69.5 | 86.9 | 0.94 |
| 2.6 | 226.0 | 86.9 | 0.38 |
| 4.6 | 399.8 | 86.9 | 0.19 |
), ArticleFig(id=1197261113743163602, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表11, caption=
不同速度比下针栓式喷注器参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度比$n$ | 甲烷喷注速度/( $\mathrm{m}\cdot {\mathrm{s}}^{-1}$) | 氧气喷注速度/$\left({\mathrm{m}\cdot {\mathrm{s}}^{-1}}\right)$ | 开口距离/mm |
|---|
| 0.5 | 43.5 | 86.9 | 2.17 |
| 1.1 | 69.5 | 86.9 | 0.94 |
| 2.6 | 226.0 | 86.9 | 0.38 |
| 4.6 | 399.8 | 86.9 | 0.19 |
), ArticleFig(id=1197261113835438291, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 12, caption=
Effect of velocity ratio change on combustion performance, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度比 | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 0.5 | 0.483 322 | 96.66 |
| 1.1 | 0.495 011 | 99.00 |
| 2.6 | 0.493 101 | 98.62 |
| 4.6 | 0.486 632 | 97.33 |
), ArticleFig(id=1197261113902547156, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表12, caption=
速度比变化对燃烧性能影响, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度比 | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 0.5 | 0.483 322 | 96.66 |
| 1.1 | 0.495 011 | 99.00 |
| 2.6 | 0.493 101 | 98.62 |
| 4.6 | 0.486 632 | 97.33 |
), ArticleFig(id=1197261113969656021, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 13, caption=
The parameters of pintle injectors with different mixing ratios, figureFileSmall=null, figureFileBig=null, tableContent=
| 混合比${r}_{\mathrm{m}}$ | 甲烷质量流量/$\left({\mathrm{g}\cdot {\mathrm{s}}^{-1}}\right)$ | 氧气质量流量/$\left({\mathrm{g}\cdot {\mathrm{s}}^{-1}}\right)$ | 开口距离/ mm | 外部直径 /mm |
|---|
| 2 | 10 | 20 | 1.44 | 17.67 |
| 3 | 7.5 | 22.5 | 1.06 | 17.87 |
| 3.5 | 6.7 | 23.3 | 0.94 | 17.94 |
| 4 | 6 | 24 | 0.85 | 17.99 |
), ArticleFig(id=1197261114066125014, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表13, caption=
不同混合比下针栓式喷注器参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 混合比${r}_{\mathrm{m}}$ | 甲烷质量流量/$\left({\mathrm{g}\cdot {\mathrm{s}}^{-1}}\right)$ | 氧气质量流量/$\left({\mathrm{g}\cdot {\mathrm{s}}^{-1}}\right)$ | 开口距离/ mm | 外部直径 /mm |
|---|
| 2 | 10 | 20 | 1.44 | 17.67 |
| 3 | 7.5 | 22.5 | 1.06 | 17.87 |
| 3.5 | 6.7 | 23.3 | 0.94 | 17.94 |
| 4 | 6 | 24 | 0.85 | 17.99 |
), ArticleFig(id=1197261114124845271, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 14, caption=
Effect of mixing ratio variation on the combustion performance, figureFileSmall=null, figureFileBig=null, tableContent=
| 混合比 | 燃烧室仿真压力/MPa | 燃烧效率/% |
|---|
| 2 | 0.495 119 | 99.02 |
| 3 | 0.502 015 | 100.40 |
| 3.5 | 0.495 011 | 99.00 |
| 4 | 0.485 953 | 97.19 |
), ArticleFig(id=1197261114208731352, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表14, caption=
混合比变化对燃烧性能的影响, figureFileSmall=null, figureFileBig=null, tableContent=
| 混合比 | 燃烧室仿真压力/MPa | 燃烧效率/% |
|---|
| 2 | 0.495 119 | 99.02 |
| 3 | 0.502 015 | 100.40 |
| 3.5 | 0.495 011 | 99.00 |
| 4 | 0.485 953 | 97.19 |
), ArticleFig(id=1197261114284228825, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 15, caption=
The specific dimensions for different pintle head design methods, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 针栓头部半径/ mm | 圆头半径/mm | 针栓头部角度/(°) |
|---|
| 1 | 8 | - | 20 |
| 2 | 7 | - | 20 |
| 3 | 8 | 10 | 20 |
| 4 | 8 | 8.5 | 20 |
| 5 | 8 | 30 | 20 |
| 6 | 8 | 15 | 20 |
| 7 | 7 | 10 | 20 |
| 8 | 7 | 30 | 20 |
), ArticleFig(id=1197261114355531994, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表15, caption=
不同针栓头部设计方式的具体尺寸, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 针栓头部半径/ mm | 圆头半径/mm | 针栓头部角度/(°) |
|---|
| 1 | 8 | - | 20 |
| 2 | 7 | - | 20 |
| 3 | 8 | 10 | 20 |
| 4 | 8 | 8.5 | 20 |
| 5 | 8 | 30 | 20 |
| 6 | 8 | 15 | 20 |
| 7 | 7 | 10 | 20 |
| 8 | 7 | 30 | 20 |
), ArticleFig(id=1197261114435223771, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=EN, label=Tab. 16, caption=
Effect of different pintle head design methods on the combustion performance, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 针栓头部半径/mm | 圆头半径/ mm | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 1 | 8 | - | 0.495 011 | 99.00 |
| 2 | 7 | - | 0.483 380 | 96.68 |
| 3 | 8 | 10 | 0.494 663 | 98.93 |
| 4 | 8 | 8.5 | 0.495 743 | 99.15 |
| 5 | 8 | 30 | 0.494 468 | 98.89 |
| 6 | 8 | 15 | 0.495 462 | 98.89 |
| 7 | 7 | 10 | 0.485 171 | 97.03 |
| 8 | 7 | 30 | 0.482 898 | 96.58 |
), ArticleFig(id=1197261114531692764, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065255652123102, language=CN, label=表16, caption=
不同针栓头部设计方式对燃烧性能影响, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 针栓头部半径/mm | 圆头半径/ mm | 仿真燃烧室压力/MPa | 燃烧效率/% |
|---|
| 1 | 8 | - | 0.495 011 | 99.00 |
| 2 | 7 | - | 0.483 380 | 96.68 |
| 3 | 8 | 10 | 0.494 663 | 98.93 |
| 4 | 8 | 8.5 | 0.495 743 | 99.15 |
| 5 | 8 | 30 | 0.494 468 | 98.89 |
| 6 | 8 | 15 | 0.495 462 | 98.89 |
| 7 | 7 | 10 | 0.485 171 | 97.03 |
| 8 | 7 | 30 | 0.482 898 | 96.58 |
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