| 脉冲爆震发动机喷嘴性能优化研究 |
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| 引用本文： | 姜日红,武晓松.脉冲爆震发动机喷嘴性能优化研究[J].空气动力学学报,2010,28(1). |
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| 作者姓名： | 姜日红 武晓松 |
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| 作者单位： | 南京理工大学,机械工程学院,江苏,南京,210094 |
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| 基金项目： | 江苏省普通高校研究生创新科研项目基金(CX07B-163z) |
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| 摘 要： | 脉冲爆震发动机两相爆震近来得到了广泛的重视和关注,但在它走向应用之前仍有很多问题需要解决,燃油的喷射、雾化和混合就是其中之一。本文针对一种改进的预膜式空气雾化喷嘴,利用CFD程序,通过改变侧路空气射入角、空气通道直径、混合室出口孔径等参数,研究了喷嘴结构参数对雾化特性的影响,得到了汽油的雾化粒度与喷嘴结构间的关系和变化规律。并将数值模拟结果与实验结果进行对比,两者吻合较好,为喷嘴的优化设计提供了依据。
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| 关 键 词： | 脉冲爆震发动机 喷射 预膜式空气雾化喷嘴 数值模拟 索太尔平均直径（SMD） |
The performance optimization research of the pulse detonation engine's atomizer |
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| JIANG Ri-hong,WU Xiao-song.The performance optimization research of the pulse detonation engine''s atomizer[J].Acta Aerodynamica Sinica,2010,28(1). |
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| Authors: | JIANG Ri-hong WU Xiao-song |
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| Institution: | Department.of Mechanical Engineering/a>;Nanjing University.of Science and Technology/a>;Nanjing 210094/a>;China |
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| Abstract: | The two phase detonation of PDE(Pulse Detonation Engine) has received much attention lately,but there are many unsolved issues related to the application of PDE,for example,the fuel injection,atomization and mixing.This paper aims at an improved prefilmed air blast atomizer,use CFD program to research the effect of atomizer structure parameters on atomization performance by changing side air injection angle,air passage diameter,mixing chamber exit diameter,obtain the relationship of fuel atomization granula... |
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| Keywords: | pulse detonation engine injection prefilmed air blast atomizer numerical simulation sauter mean diameter (SMD) |
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