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燃烧室长度对固体燃料超燃冲压发动机燃烧室性能的影响

陶欢 魏志军 迟鸿伟 孙巍伟 王宁飞

陶欢, 魏志军, 迟鸿伟, 孙巍伟, 王宁飞. 燃烧室长度对固体燃料超燃冲压发动机燃烧室性能的影响[J]. 航空动力学报, 2016, 31(3): 598-607. doi: 10.13224/j.cnki.jasp.2016.03.010
引用本文: 陶欢, 魏志军, 迟鸿伟, 孙巍伟, 王宁飞. 燃烧室长度对固体燃料超燃冲压发动机燃烧室性能的影响[J]. 航空动力学报, 2016, 31(3): 598-607. doi: 10.13224/j.cnki.jasp.2016.03.010
TAO Huan, WEI Zhi-jun, CHI Hong-wei, SUN Wei-wei, WANG Ning-fei. Effects of combustor length on solid fuel scramjet combustor performance[J]. Journal of Aerospace Power, 2016, 31(3): 598-607. doi: 10.13224/j.cnki.jasp.2016.03.010
Citation: TAO Huan, WEI Zhi-jun, CHI Hong-wei, SUN Wei-wei, WANG Ning-fei. Effects of combustor length on solid fuel scramjet combustor performance[J]. Journal of Aerospace Power, 2016, 31(3): 598-607. doi: 10.13224/j.cnki.jasp.2016.03.010

燃烧室长度对固体燃料超燃冲压发动机燃烧室性能的影响

doi: 10.13224/j.cnki.jasp.2016.03.010
基金项目: 

国家自然科学基金(51276020)

详细信息
    作者简介:

    陶欢(1987-),女,湖北天门人,博士生,主要从事固体燃料超燃冲压发动机研究.

  • 中图分类号: V235

Effects of combustor length on solid fuel scramjet combustor performance

  • 摘要: 基于国外研究者完成的固体燃料超燃冲压发动机的实验数据,通过分别改变燃烧室等直段长度和扩张段长度,对不同总长的燃烧室工作过程进行数值模拟.采用基于压力的2阶迎风差分数值方法,物理模型为轴对称结构,燃烧模型采用有限速率/涡耗散模型(finite-rate/eddy-dissipation),湍流模型采用SST(shear stress transport) k-ω模型.聚甲基丙烯酸甲酯(PMMA)燃料进口边界由用户自定义函数的方式给定,分别分析了不同长度,即不同等直段长度或扩张段长度下超燃冲压发动机燃烧室内流场特性及其性能变化.结果表明:随着等直段长度的增大,燃烧室出口处燃烧效率逐渐减小,从72.74%降低至66.81%,而燃烧室内总压损失逐渐减小,燃烧室推力逐渐增大,可由85.83N增加至108.55N;改变扩张段长度,发现扩长段长度变化对燃烧室流场结构的影响较小,随着扩张段长度的增大,燃烧室出口燃烧效率和燃烧室推力都略微减小.在燃烧室长度的设计范围内,增大等直段的长度要比增大扩张段长度对提升燃烧室各项性能有帮助.

     

  • [1] 马岩,赵庆华,刘建全.固体燃料的超声速燃烧研究进展[J].飞航导弹,2009(10):59-63.
    [2] 刘萝威.一种新型高能密度燃料在高速气流中的点火性能[J].飞航导弹,1997(10):35-42.
    [3] 沈剑,王伟.国外高超声速飞行器研制计划[J].飞航导弹,2006(8):1-9.
    [4] 刘洋.固体燃料的超音速燃烧[J].飞航导弹,1994(10):44-45.
    [5] Ben-Yakar A,Natan B,Gany A.Investigation of a solid fuel scramjet combustor[J].Journal of Propulsion and Power,1998,14(4):447-455.
    [6] Ben-Yakar A,Gany A.Experimental study of a solid fuel scramjet[R].AIAA 94-2815,1994.
    [7] Jarymowycz T A,Yang V,Kuo K.Numerical study of solid fuel combustion under supersonic crossflows[J].Journal of Propulsion and Power,1992,8(2):346-353.
    [8] Ben-Arosh R,Natan B,Spiegler E,et al.Mixing of supersonic airflow with fuel added along the wall in a sudden expansion chamber[R].AIAA 97-3241,1997.
    [9] Ben-Arosh R,Natan B,Spiegler E,et al.Fuel-air mixing in solid fuel scramjet combustors[J].International Journal of Turbo and Jet Engines,1998,15(3):223-234.
    [10] Ben-Arosh R,Natan B,Spiegler E,et al.The reacting flowfield within a supersonic combustion solid fuel ramjet[R].AIAA 97-3119,1997.
    [11] Ben-Arosh R,Natan B,Spiegler E,et al.Theoretical study of a solid fuel scramjet combustor[J].Acta Astronautica,1999,45(3):155-166.
    [12] SUN Bo,WU Xiaosong,XIA Qiang,et al.Numerical analysis of solid fuel scramjet combustors[R].Computational Intelligence and Software Engineering,CISE 2009-5363946,2009.
    [13] Shimon S,Gany A.Testing metalized solid fuel scramjet combustion[R].International Society for Air Breathing Engines,ISABE 2007-1176,2007.
    [14] 杨向明,刘伟凯,陈林泉,等.固体燃料超燃冲压发动机原理性试验研究[J].固体火箭技术,2012,35(3):319-324. YANG Xiangming,LIU Weikai,CHEN Linquan,et al.Experiment study on the principle of solid fuel scramjet[J].Journal of Solid Rocket Technology,2012,35(3):319-324.(in Chinese)
    [15] Gruber M R,Baurle R A,Mathur T,et al.Fundamentalstudies of cavity-based flameholder concepts for supersonic combustors[J].Journal of Propulsion and Power,2001,17(1):146-153.
    [16] Tzunghang T,Maojeng L,Iyou S,et al.Experimental and numerical study of autoignition and pilot ignition of PMMA plates in a cone calorimeter[J].Combustion and Flame,2001,124(3):466-480.
    [17] 潘余,王振国,刘卫东.超燃冲压发动机燃烧效率测量方法简介[J].实验流体力学,2007,21(2):68-73. PAN Yu,WANG Zhenguo,LIU Weidong.Introduction of scramjet combustion efficiencies measurement methods[J].Journal of Experiments in Fluid Mechanics,2007,21(2):68-73.(in Chinese)
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出版历程
  • 收稿日期:  2014-06-23
  • 刊出日期:  2016-03-28

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