高超声速滑翔乘波飞行器多物理效应硏究
Study on multi-physical effects of hypersonic gliding waverider vehicles
查看参考文献16篇
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文摘
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高超声速滑翔飞行器在高空、高马赫数飞行时所面临的多物理效应对其气动性能会产生较大的影响。本文利用锥导乘波体进行工程化设计,生成了一种高超声速远程滑翔乘波飞行器,采用计算流体动力学(CFD)方法数值模拟了该飞行器在高空、高马赫数飞行状态下的流动,分析了高空多物理效应(主要关注粘性干扰效应和真实气体效应)对飞行器气动性能的影响,并通过比较分析得到了不同气动力系数对不同物理效应的敏感程度,可以为高超声速滑翔飞行器的设计及气动性能评估提供参考。 |
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其他语种文摘
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The multi-physical effects at high attitude and high Mach number have significant influences on aerodynamic performance of hypersonic gliding waverider. The present research generated a typical gliding waverider vehicle from a cone-derived waverider through engineering design. The influences of multiphysical effects on aerodynamic performance was analyzed by CFD method. Viscous interaction effects and real gas effects on the hypersonic gliding vehicle were studied respectively. In addition, inviscid and viscous CFD method based on perfect gas, as well as viscous CFD method based on equilibrium gas were applied to investigate the sensitivity of each physical effects (including Mach number effects,viscous interaction effects and real gas effects) on different aerodynamic parameters. Results of this study indicate that variations of aerodynamic parameters influenced by different physical effects are of great difference, so just one or two physical effects could be concerned while designing a hypersonic gliding vehicle. The results are valuable for the design and aerodynamic estimation of hypersonic gliding waverider vehicles. |
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来源
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空气动力学学报
,2014,32(1):101-108 【核心库】
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DOI
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10.7638/kqdlxxb-2012.0057
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关键词
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高超声速
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乘波飞行器
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粘性干扰效应
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真实气体效应
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地址
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中国科学院力学研究所, 高温气体动力学国家重点实验室, 北京, 100190
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0258-1825 |
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学科
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航天(宇宙航行) |
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基金
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国家自然科学基金
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国家自然科学基金近空间重大研究计划
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文献收藏号
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CSCD:5100691
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