IMECH-IR  > 高温气体动力学国家重点实验室
A conceptual design of next generation hypersonic air-breathing airplanes with dual waveriders forebody
Cui K(崔凯); Hu SC(胡守超); Li GL; Xiao Y(肖尧); Situ M
Source Publication20th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, 2015
2015
Conference Name20th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, 2015
Conference DateJuly 6, 2015 - July 9, 2015
Conference PlaceGlasgow, United kingdom
AbstractA design methodology employed for a practical preliminary-level integration of next generation hypersonic airplanes is presented in this paper. The key feature of this type of configurations is that the forebody of the vehicle is designed by rotating and assembling two waverider-based-surfaces, which are defined by linear edges. The propulsion system assumes two scramjets with cylindrical combustion chambers. The layout of the configuration presents a Blend-Wing-Body aircraft in order to integrate the airframe and the propulsion units as well as to improve the aerodynamic performance. A 7.2 m long, Mach 6 vehicle is presented, and multi-point aerodynamic performance predictions are carried out by using computational fluid dynamics with a fully turbulent model at the flight Mach numbers range from 4 to 7, the flight angles of attack range from 0 to 8 degree, and the flight altitudes range from 20 km to 29 km. Numerical results demonstrates that such a design of the forebody could produce a good quality flowfield for the scramjets. Moreover, a relatively high lift-to-drag ratio can be obtained. The maximal values vary from 3.75 to 3.31 when the flight Mach number/altitude vary from 4/20 km to 7/29 km. © 2015, American Institute of Aeronautics and Astronautics. All rights reserved.
KeywordAero Dynamic Performance Aerodynamic Performance Predictions Design Methodology Flight Altitudes Numerical Results Propulsion System Turbulent Models Wing Body Aircraft
DepartmentLHD气动布局优化与计算方法
ISBN9781624103209
URL查看原文
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60163
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
Cui K,Hu SC,Li GL,et al. A conceptual design of next generation hypersonic air-breathing airplanes with dual waveriders forebody[C],2015.
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