| 主燃孔对模型燃烧室流场的影响 |
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| 引用本文： | 党新宪,赵坚行,颜应文,刘勇,张靖周.主燃孔对模型燃烧室流场的影响[J].推进技术,2010,31(1):24-28,41. |
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| 作者姓名： | 党新宪 赵坚行 颜应文 刘勇 张靖周 |
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| 作者单位： | 1. 南京航空航天大学,能源与动力学院,江苏,南京,210016;中国人民解放军94580部队,航理室,安徽,蛙埠,233000
2. 南京航空航天大学,能源与动力学院,江苏,南京,210016 |
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| 摘 要： | 为了深入了解主燃孔参数变化对双级轴向旋流器模型环形燃烧室内气流组织与气动性能的影响,采用PIV测速仪对该燃烧室内冷态和液雾燃烧流场进行测量,试验研究在冷、热态情况下不同主燃孔参数对模型燃烧室内回流区的形成、轴向平均速度u,轴向脉动速度Urms,雷诺剪切应力u′v′分布的影响。研究结果表明:主燃孔参数变化对燃烧室内冷、热态流场有着重要的影响;燃烧室在燃烧情况下所得的中心回流区长度要比冷态短,但回流负速度、脉动速度和雷诺应力都明显大于冷态,所得的研究结果可为燃烧室优化设计提供有用的依据。
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| 关 键 词： | 航空、航天推进系统 环形燃烧室 双级轴向旋流器 液雾燃烧流场 |
Effects of different primary holes on flow fields within the model combustor |
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| Dang Xinxian,Zhao Jianxing,Yan Yingwen,Liu Yong and ZhangJingzhou.Effects of different primary holes on flow fields within the model combustor[J].Journal of Propulsion Technology,2010,31(1):24-28,41. |
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| Authors: | Dang Xinxian Zhao Jianxing Yan Yingwen Liu Yong and ZhangJingzhou |
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| Institution: | DANG Xin-xian1,2,ZHAO Jian-xing1,YAN Ying-wen1,LIU Yong1,ZHANG Jing-zhou1(1.Coll.of Energy , Power,Nanjing Univ.of Aeronautics , Astronautics,Nanjing 210016,China,2.Dept.of Flight Theory Education,PLA the 94580 Unit,Bengbu 233000,China) |
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| Abstract: | To investigate the effects of the different primary holes parameters on flow structure and aerodynamic characteristics in the model annular combustor with the double axial swirler,the isothermal and spray combusting flow fields within the model annular combustor with the double axial swirler are measured by a Particle Image Velocimetry (PIV) system.Effects of the different primary dilution hole parameters on the formation of recirculation zone,profiles of axial velocity u,axial fluctuating velocity Urms and... |
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| Keywords: | Aerospace propulsion system Annular combustor Double axial swirler Spray combusting flow field |
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