Yi Li  , Su Cao , Chunna Li

DOI Number XXX-YYY-ZZZ

Conference Number HiSST 2018_15901025

In this work, the aerodynamic optimization of a waverider derived re-entry vehicle is presented. The waverider has the advantage of high lift-to-drag ratio. For the re-entry vehicle, the advantage enables not only a wide cross-range but also a lower heating peak compared to the normal ballistic re-entry or the low lifting re-entry. However, there are many constraints when applying waverider configuration on the re-entry vehicles, such as flight range, volume, flight time, lift, aeroheating, etc., which makes the aerodynamic optimization of the vehicles complex. A Multi-objective Evolutionary Algorithm Based on Decomposition is applied for the multi-objective optimization. The surface of the waverider is generated by tracing the streamlines of the flowfield. An engineering method is utilized to calculate the aerodynamic forces rapidly during the optimization. A suboptimal aerodynamic configuration is obtained which meets the requirements of lift-to-drag ratio, volume and stability.

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In Categories: High-Speed Missions and Vehicles, HiSST 2018, Launch Vehicle Selection & Analysis, Supersonic and Hypersonic Aircraft Design, Vehicle Design & Structures
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