Article(id=1236637190999036657, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1236637183357022580, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20260107, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1751040000000, receivedDateStr=2025-06-28, revisedDate=1768320000000, revisedDateStr=2026-01-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1772766881941, onlineDateStr=2026-03-06, pubDate=1771948800000, pubDateStr=2026-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772766881941, onlineIssueDateStr=2026-03-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772766881941, creator=13701087609, updateTime=1772766881941, updator=13701087609, issue=Issue{id=1236637183357022580, tenantId=1146029695717560320, journalId=1146119989267898375, year='2026', volume='49', issue='1', 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=null, createTime=1772766880120, creator=13701087609, updateTime=1772766950597, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236637479047066471, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1236637183357022580, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236637479047066472, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1236637183357022580, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=50, endPage=57, ext={EN=ArticleExt(id=1236637192630620925, articleId=1236637190999036657, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Research on Non-metallic Composite Guidance of Cryogenic Exhaust Valves, columnId=1154057566893105509, journalTitle=Missiles and Space Vehicles, columnName=Propulsion, runingTitle=null, highlight=null, articleAbstract=
The cryogenic exhaust valve is a key component of the liquid rocket propulsion system, and the main failure mode is the stuck guide. To improve its action reliability, a "metal-nonmetal" composite guiding structure is proposed. The non-metal hot pressing forming process is studied, and the theoretical calculation and simulation analysis of the guiding clearance variation under low temperature are carried out. An experimental system is built to verify the reliability of the forming process of the composite guiding structure and the rationality of the clearance calculation. The research results show that the nonmetal composite guiding structure of the cryogenic exhaust valve can adapt to the low temperature operating conditions, and has higher action reliability and tolerance to contaminants.
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低温排气阀是液体火箭动力系统的关键单机,导向卡滞是其主要故障模式。为提高低温排气阀动作可靠性,提出一种“金属-非金属”复合导向结构。研究了非金属热压成型工艺,对低温下导向间隙变化进行理论计算和仿真分析,搭建试验系统对复合导向结构成型工艺可靠性和间隙计算合理性进行试验验证。研究结果表明,低温排气阀非金属复合导向结构能够适应低温使用工况,具有更高的动作可靠性和耐多余物能力。
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郭海鑫(1991—),男,工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
王 宇(1993—),男,工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
吴立夫(1989—),男,博士,高级工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
娄少华(1984—),男,高级工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
陈慧敏(1984—),女,高级工程师,主要研究方向为非金属材料成型技术、二硫化钼固体润滑涂层技术。
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郭海鑫(1991—),男,工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
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郭海鑫(1991—),男,工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
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王 宇(1993—),男,工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
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王 宇(1993—),男,工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
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吴立夫(1989—),男,博士,高级工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
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吴立夫(1989—),男,博士,高级工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
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娄少华(1984—),男,高级工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
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娄少华(1984—),男,高级工程师,主要研究方向为运载火箭低温阀门设计与可靠性研究。
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陈慧敏(1984—),女,高级工程师,主要研究方向为非金属材料成型技术、二硫化钼固体润滑涂层技术。
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陈慧敏(1984—),女,高级工程师,主要研究方向为非金属材料成型技术、二硫化钼固体润滑涂层技术。
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排气阀结构原理1—主活阀;2—主弹簧;3—主壳体;4—静密封件;5—作动器;6—副弹簧。
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Abrasion of exhaust valve metal-metal guiding, figureFileSmall=dQnP36aGSWacftwAkDXvDA==, figureFileBig=FC0vNrSSh/cltmeVwYnY8w==, tableContent=null), ArticleFig(id=1236665822626763500, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图2, caption=
排气阀“金属-金属”导向副磨损情况, figureFileSmall=dQnP36aGSWacftwAkDXvDA==, figureFileBig=FC0vNrSSh/cltmeVwYnY8w==, tableContent=null), ArticleFig(id=1236665822714843889, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.3, caption=
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Part of the valves in the FEP and metal matrix composite stucture after integrated molding samples, figureFileSmall=Pjgig972TJ3bDxeeRaF0mw==, figureFileBig=66Xy/KMaXAmmfXtHLvfIaA==, tableContent=null), ArticleFig(id=1236665822941336318, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图4, caption=
FEP-金属基体复合结构一体化成型后的样品, figureFileSmall=Pjgig972TJ3bDxeeRaF0mw==, figureFileBig=66Xy/KMaXAmmfXtHLvfIaA==, tableContent=null), ArticleFig(id=1236665823054582530, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.5, caption=
Guiding structure of metal hole- composite shaft, figureFileSmall=BNRkojyXJUNjDVHKuNOQhQ==, figureFileBig=imPIL9qxSWFzRhukvZ6mdQ==, tableContent=null), ArticleFig(id=1236665823125885702, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图5, caption=
金属导向孔-复合导向轴结构—常温和变温后的金属基体外表面半径;—常温和变温后的复合导向轴的导向面半径;—常温和变温后的导向孔导向面半径;—温差。
, figureFileSmall=BNRkojyXJUNjDVHKuNOQhQ==, figureFileBig=imPIL9qxSWFzRhukvZ6mdQ==, tableContent=null), ArticleFig(id=1236665823234937610, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.6, caption=
Deformation calculation process of hot-pressed composite guiding shaft, figureFileSmall=0CcpZdOn9BThRg3M6PlrMQ==, figureFileBig=4vv3FJasNaZ5yqy0MBROPA==, tableContent=null), ArticleFig(id=1236665823331406608, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图6, caption=
热压复合导向轴变形计算过程, figureFileSmall=0CcpZdOn9BThRg3M6PlrMQ==, figureFileBig=4vv3FJasNaZ5yqy0MBROPA==, tableContent=null), ArticleFig(id=1236665823423681297, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.7, caption=
Cross-section of thick-walled cylinder, figureFileSmall=zyI2NQYtfZrIniAhP8Tfyw==, figureFileBig=N1VyW5HPuifXcnZSW6nmQg==, tableContent=null), ArticleFig(id=1236665824853938964, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图7, caption=
厚壁圆筒横截面—内压;—外压。
, figureFileSmall=zyI2NQYtfZrIniAhP8Tfyw==, figureFileBig=N1VyW5HPuifXcnZSW6nmQg==, tableContent=null), ArticleFig(id=1236665825004933916, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.8, caption=
Finite element model of composite guiding pair, figureFileSmall=cNmznR5RgUpDGbWqLqrYrA==, figureFileBig=D9NYjOtqbpiJTXYJzmboxw==, tableContent=null), ArticleFig(id=1236665825101402911, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图8, caption=
复合导向副有限元模型1—金属导向孔;2—非金属衬套;3—金属导向轴。
, figureFileSmall=cNmznR5RgUpDGbWqLqrYrA==, figureFileBig=D9NYjOtqbpiJTXYJzmboxw==, tableContent=null), ArticleFig(id=1236665825231426338, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.9, caption=
Simulation results of the clearance variation of compound guiding at low temperatures, figureFileSmall=hBDHV+hvenA280mK/2lx4g==, figureFileBig=vLoON5mbyd62SHygkASZDg==, tableContent=null), ArticleFig(id=1236665825315312423, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图9, caption=
低温下复合导向间隙变化仿真结果1—金属导向轴;2—非金属衬套;3—金属导向孔。
, figureFileSmall=hBDHV+hvenA280mK/2lx4g==, figureFileBig=vLoON5mbyd62SHygkASZDg==, tableContent=null), ArticleFig(id=1236665825436947242, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.10, caption=
Principle of experimental system, figureFileSmall=kLPbD0csUUxaeHeRO5e0Iw==, figureFileBig=IVUXPfVi3QhgvRLbV4NyTQ==, tableContent=null), ArticleFig(id=1236665825520833328, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图10, caption=
试验系统原理1—出口接头;2—容器;3—入口接头;4—排气阀;5—气封盒。
, figureFileSmall=kLPbD0csUUxaeHeRO5e0Iw==, figureFileBig=IVUXPfVi3QhgvRLbV4NyTQ==, tableContent=null), ArticleFig(id=1236665825608913715, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.11, caption=
Physical photos of multiple items, figureFileSmall=8bA4LVRTV9URyTKD2yGUTw==, figureFileBig=+C8qbWUrjZDLrWhHDvHVsA==, tableContent=null), ArticleFig(id=1236665825814434613, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图11, caption=
多余物实物照片, figureFileSmall=8bA4LVRTV9URyTKD2yGUTw==, figureFileBig=+C8qbWUrjZDLrWhHDvHVsA==, tableContent=null), ArticleFig(id=1236665825936069433, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.12, caption=
Surface condition of the compound guiding shaft after the test, figureFileSmall=L5PPPb417WZ75v24UbEzmg==, figureFileBig=pilP1hsbRdYEH1ZqMtYmFw==, tableContent=null), ArticleFig(id=1236665826040927035, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图12, caption=
试验后复合导向轴表面状态, figureFileSmall=L5PPPb417WZ75v24UbEzmg==, figureFileBig=pilP1hsbRdYEH1ZqMtYmFw==, tableContent=null), ArticleFig(id=1236665826112230206, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Fig.13, caption=
Guiding shaft after foreign matter test, figureFileSmall=smruXquwDu4IIWK3pMiY7w==, figureFileBig=uTUjU3bMT/m8Pzs9/mVJbg==, tableContent=null), ArticleFig(id=1236665826175144769, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=图13, caption=
多余物试验后导向轴, figureFileSmall=smruXquwDu4IIWK3pMiY7w==, figureFileBig=uTUjU3bMT/m8Pzs9/mVJbg==, tableContent=null), ArticleFig(id=1236665826242253637, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=EN, label=Tab.1, caption=
Calculation results of exhaust valve compound guiding clearance
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 主活阀导向副 | 作动器导向副 |
|---|
| 孔 | 轴 | 孔 | 轴 |
|---|
| 材料 | 2A14 | 2A14+FEP | 铜QAL 10-4-4 | 0Cr18Ni9+FEP |
| 材料线膨胀系数1×10-6/(℃-1) | 17.4 | 2A14:17.4 FEP:49.8 | 11.5 | 0Cr18Ni9:12.0 FEP:49.8 |
常温293 K导向 间隙/mm | 0.080~0.137 | 0.080~0.137 |
| 理论计算低温77 K导向间隙/mm | 0.107~0.164 | 0.101~0.158 |
| 仿真分析低温77 K导向间隙/mm | 0.108~0.165 | 0.102~0.159 |
), ArticleFig(id=1236665826305168200, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1236637190999036657, language=CN, label=表1, caption=
排气阀复合导向间隙计算结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 主活阀导向副 | 作动器导向副 |
|---|
| 孔 | 轴 | 孔 | 轴 |
|---|
| 材料 | 2A14 | 2A14+FEP | 铜QAL 10-4-4 | 0Cr18Ni9+FEP |
| 材料线膨胀系数1×10-6/(℃-1) | 17.4 | 2A14:17.4 FEP:49.8 | 11.5 | 0Cr18Ni9:12.0 FEP:49.8 |
常温293 K导向 间隙/mm | 0.080~0.137 | 0.080~0.137 |
| 理论计算低温77 K导向间隙/mm | 0.107~0.164 | 0.101~0.158 |
| 仿真分析低温77 K导向间隙/mm | 0.108~0.165 | 0.102~0.159 |
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