| 二维高超声速吸气式飞行器部件构型设计初步研究 |
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| 引用本文： | 金亮,柳军,罗世彬,王振国.二维高超声速吸气式飞行器部件构型设计初步研究[J].航空动力学报,2008,23(11):1971-1975. |
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| 作者姓名： | 金亮 柳军 罗世彬 王振国 |
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| 作者单位： | 国防科技大学航天与材料工程学院; |
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| 摘 要： | 对马赫数为6条件下不同部件构型的二维高超声速吸气式飞行器进行了数值模拟,分别比较了机身上表面采用卡门曲线和直线构型,燃烧室采用多级后向台阶和多级扩张直线构型,尾喷管采用幂曲线和直线构型对气动性能的影响.采用二阶精度的Roe格式和minmod限制器进行空间离散求解.使用Menter提出的k-w SST(Shear stress transport)湍流模型模拟湍流流动,通过对壁面压力和摩擦力积分得到了各部件的升力、阻力和俯仰力矩,分析了每种部件构型对总体气动性能的影响,为高超声速吸气式飞行器构型设计提供了一定的依据.
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| 关 键 词： | 高超声速 吸气式 构型设计 数值分析 |
| 收稿时间： | 2007/11/19 0:00:00 |
| 修稿时间： | 2008/4/18 0:00:00 |
Configuration design study for 2-D hypersonic airbreathing vehicle |
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| JIN Liang,LIU Jun,LUO Shi-bin and WANG Zhen-guo.Configuration design study for 2-D hypersonic airbreathing vehicle[J].Journal of Aerospace Power,2008,23(11):1971-1975. |
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| Authors: | JIN Liang LIU Jun LUO Shi-bin and WANG Zhen-guo |
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| Institution: | JIN Liang,LIU Jun,LUO Shi-bin,WANG Zhen-guo(College of Aerospace , Material Engineering,National University of Defense Technology,Changsha 410073,China) |
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| Abstract: | A numerical study of different 2-D hypersonic airbreathing vehicle configurations under Mach 6 has been performed to analyze the aerodynamic characteristics,the airframe upper surface geometries considered in the present work include the Von Karman curve and straight line,the combustor configurations included the tandem backward facing step and tandem expansion straight line,the nozzle shapes included the power law curve and straight line.A second-order Roe scheme with a minmod limiter was used for space de... |
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| Keywords: | hypersonic airbreathing vehicle configuration design numerical analysis |
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