Guilai Han , Zonglin Jiang

DOI Number XXX-YYY-ZZZ

Conference Number HiSST 2018_2010873

Drag reduction for blunt body flying at hypersonic speed were numerically investigated in this paper, with spikes and sideward jets applied to re-configurated the flow field. The spikes and the sideward jets led to the formation of the conical shock, the reattached shock, and the circumfluence, instead of a bow shock in front of the blunt body. The flow field reconfiguration played a dominant role in drag reduction. This paper proposed a parameter for the design of drag reduction of the spiked bodies, by combing the locations of the reattached shock and its interaction with the conical shock.

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In Categories: HiSST 2018, Hypersonic Aerodynamics, Materials and Structures, Supersonic and Hypersonic Aircraft Design
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