| 高超声速飞行器内流道流态及其对全机气动力影响的实验研究 |
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| 引用本文： | 张红英,程克明,伍贻兆.高超声速飞行器内流道流态及其对全机气动力影响的实验研究[J].空气动力学学报,2009,27(2). |
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| 作者姓名： | 张红英 程克明 伍贻兆 |
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| 作者单位： | 南京航空航天大学高超气动研究中心,HARC,江苏,南京,210016 |
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| 基金项目： | 国防科工委基础预研项目，国家自然科学基金 |
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| 摘 要： | 对吸气式高超声速飞行器而言,内流道的流态对推进系统乃至飞行器的工作特性有重要影响.本文用风洞实验的方法研究了升力体(类X-43)、二元进气道和轴对称进气道三种构型在不同来流、内部几何和燃烧室反压条件下的内流道工作情况,着重分析了起动/不起动状态对内流道流动特征及全机气动力的影响,提出并发展了通过在燃烧室内喷射高压气流的内流道反压模拟技术,并运用这一技术成功实现了内流道由起动向不起动、由不起动向起动/再起动的切换.
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| 关 键 词： | 吸气式高超声速飞行器 进气道 内流道 起动 风洞试验 |
Experimental study of flow characteristics and the influence for a hypersonic flight vehicle |
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| ZHANG Hong-ying,CHENG Ke-ming,WU Yi-zhao.Experimental study of flow characteristics and the influence for a hypersonic flight vehicle[J].Acta Aerodynamica Sinica,2009,27(2). |
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| Authors: | ZHANG Hong-ying CHENG Ke-ming WU Yi-zhao |
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| Institution: | Hypersonic Aerodynamics Research Center;Nanjing University of Aeronautics and Astronautics;Nanjing 210016;China |
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| Abstract: | Based on the research background of the effect of the hypersonic airframe/propulsion system integrative research coupling with the inlet,with three-airbreathing hypersonic aircraft/flow model(a base model configuration,a sort of 2D inlet modal,an axisymmetric hypersonic vehicle) for the integrative of research object,the paper studies the flow characteristics and shock wave structure of inlet/inner flowpath and inlet start characteristics responsing to concerning factors,under different flowing,geometry and... |
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| Keywords: | hypersonic vehicle inlet start inner flowpath start wind tunnel test |
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