IMECH-IR  > 高温气体动力学国家重点实验室
Preliminary Study of Aerodynamic Performance for Waverider-based Hypersonic Vehicles with Dorsal Mounted Engines
Xiao Y(肖尧); Cui K(崔凯); Li GL(李广利); Xu YZ(徐应洲)
Source Publication21st AIAA International Space Planes and Hypersonics Technologies Conference, Hypersonics 2017
2017
Conference Name21st AIAA International Space Planes and Hypersonics Technologies Conference
Conference Date6-9 March 2017
Conference PlaceXiamen, China
AbstractTo aim at improving the aerodynamic performance of hypersonic air-breathers, a family of novel waverider-based configurations which integrating two dorsal mounted engines are proposed. The key feature of this type of configurations is that the lower surface of the vehicle could fully preserve the characteristics of waveriders, thus it is conducive to enhance the lift-to-drag ratio effectively. Basic waveriders of configurations are obtained by using a method that generating waverider as two parts which are defined by the leading edge and the trailing edge respectively. The forebody of the vehicle is designed by rotating and assembling two waverider-based-surfaces, which are the front part of basic waveriders. A group of conceptual configurations with different aspect ratio is presented. Computational Fluid Dynamics is employed to evaluate the aerodynamic performance. The results demonstrate that the maximum lift-to-drag ratio of configurations is greater than 5 in viscous condition, meanwhile, the forebody could produce a good quality flowfield for the propulsion system. 漏 2017, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.
KeywordAerodynamics Air Engines Aspect Ratio Computational Fluid Dynamics Drag Engines Hypersonic Aerodynamics Lift Lift Drag Ratio Propulsion Spacecraft Vehicles
ISBN978-1-62410-463-3
URL查看原文
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/72192
Collection高温气体动力学国家重点实验室
Affiliation1. State Key Laboratory of High-Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing
2.190, China (2) School of Engineering Science, University of Chinese Academy of Sciences, Beijing
3.100049, China
Recommended Citation
GB/T 7714
Xiao Y,Cui K,Li GL,et al. Preliminary Study of Aerodynamic Performance for Waverider-based Hypersonic Vehicles with Dorsal Mounted Engines[C]. USA:American Institute of Aeronautics and Astronautics Inc, AIAA,2017.
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