Susumu Hasegawa , Kouichiro Tani, Takeshi Kanda

DoI Number XXX-YYY-ZZZ

Conference Number HiSST 2018_39201167

JAXA has been studying the RBCC engine which combined the propulsion technologies including rockets and scramjet engines studied at Kakuda Space Center. At launch, the engine produces the power by specially designed rockets placed in a combustor and gains even more power with secondary combustion with induced air flow. This cycle is called an ejector-jet. The performance of the ejector-jet was crucial since the air was transport to the combustor and caused the pressure rise in the combustor. The configuration of the ejector exerted influence on the ejector performance. In this study, the effects of the base area was paid attention to design an RBCC engine with high performance. The ejectors with the base areas were designed and manufactured to clarify the effect of the base effects. Designing the base area was found to be important for the improvement of the suction performance.

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In Categories: HiSST 2018, Hypersonic Propulsion, Propulsion Systems and Components, Supersonic and Hypersonic Aircraft Design
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