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结构特性对燃烧室压强振荡的影响研究 被引量：3

The Effect of Structure Characteristics on Pressure Oscillation in Combustion Chamber
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摘要 为了揭示结构特性对固体发动机燃烧室压强振荡的影响规律,采用大涡模拟方法以"绝热环"及"潜入式喷管空腔背壁区"为重要结构设计参数,完成了4种不同结构设计条件下的典型VKI发动机流场稳定性数值模拟。最终获得了各工况下的压强-时间曲线及其FFT结果。分析表明:绝热环是引起旋涡脱落的主要因素,背壁区维持并加强了声涡耦合引起的声能增益,对压强振幅有较大的影响。 In order to discover the mechanism between structure characteristics and pressure oscillation in solid rocket motor （SRM）, in- hibitor ring and back wall region of submerged nozzle were taken as key parameters, large eddy simulation （LES） was carried on for four different model based typical Von Karman institute（VKI） for fluid dynamics motor. Finally, pressure evolution and its fast Fourier trans- form （FFT） results were gained. It indicates that the inhibitor ring is the main factor of vortex shedding. Back wall region, which deter- mines the pressure oscillation amplitude, maintains and strengthens the acoustics energy gain caused by acoustic vortex coupling.
作者 许团委 田维平 王建儒
机构地区 西北工业大学航天学院 中国航天科技集团公司第四研究院第
出处 《弹箭与制导学报》 CSCD 北大核心 2013年第1期117-120,共4页 Journal of Projectiles,Rockets,Missiles and Guidance
关键词 固体火箭发动机 压强振荡 大涡模拟方法 绝热环 背壁区 solid rocket motor pressure oscillation large eddy simulation inhibitor ring back wall region
分类号 V435 [航空宇航科学与技术—航空宇航推进理论与工程]
  • 相关文献

参考文献6

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  • 3Stany GALLIER, Michel PREVOST, Jouke HIJLKEMA, Michael ROUMY . Effects of cavity on thrust oscillations in subscale solid rocket motors [ C ]//45 st AIAA/ASME/SAE / ASEE Joint Propulsion Conference and Exhibit, AIAA - 2009 - 5253.
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二级参考文献37

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共引文献23

同被引文献24

  • 1李强,何国强,刘佩进,蔡体敏.模型固体火箭发动机内涡脱落过程的大涡模拟[J].推进技术,2005,26(6):481-484. 被引量：8
  • 2夏智勋,丁英仁,方丁酉,张为华.固体火箭发动机内轴对称两相流场的一体化数值模拟[J].推进技术,1996,17(5):23-27. 被引量：5
  • 3贺征,顾璇,郜冶,李洪江.SRM两相内流场模型计算[J].推进技术,2007,28(6):595-598. 被引量：5
  • 4WANG Chunguang,LIU Hongchao,YANG Demin.Study of development status and future development proposals for pulse solid rocket motor[J].Applied Mechanics and Materials,2012(110/111/112/113/114/115/116):2354-2358.
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  • 6Gallier S,Prevost M,Hijlkema J,et al.Effects of cavity onthrust oscillations in subscale solid rocket motors[R].AIAA-2009-5253,2009.
  • 7Stella F,Paglia F.Pressure oscillations in solid rocket motors:numerical study[J].Aerospace Science and Technology,2011,15(1):203-207.
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  • 10Prevost M.Thrust oscillations in reduced scale solid rocket motors:Part I experimental investigations[R].AIAA-2005-4003,2005.

引证文献3

二级引证文献8

弹箭与制导学报
2013年 第1期

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