Abstract

Why is it such difficult to develop hypersonic airbreathing propulsion? It is in need of a reliable ground test facility for ex-ploring the source of development obstruction. A big increase in shock tunnel test times for breaking the upper bound of Mach number 5 associated with airbreathing propulsion was proposed. Smaller diameter of detonation driver was adopted for decreasing Tailored incident shock Mach number, enabling the test times of detonation driven shock tunnel to be extended by a big margin. Test times of constructed detonation driven shock tunnel JF-12 were over 100 ms.

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