一种多模块超燃冲压发动机单体异型喷管

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一种多模块超燃冲压发动机单体异型喷管

本发明提供了一种多模块超燃冲压发动机单体异型喷管，其特征在于喷管壳体6为圆筒形，其中心部位有一电缆走线孔2，按发动机的数量沿异型喷管周向均布喷管内腔流道4，电缆走线孔2的外壁、喷管壳体6的内壁以及两个隔离肋条9围成一个喷管内腔流道4。本发明解决将多模块矩形/扇形截面超燃冲压发动机集成到单体异型喷管的技术问题，同时还解决了发动机与喷管之间的热密封，发动机、喷管与飞行器之间的热匹配，喷管与飞行器机体之间的热防护等技术问题。

Monomer special-shaped exhaust nozzle of multi-model scramjet engines

The invention provides a monomer special-shaped exhaust nozzle of multi-model scramjet engines. The monomer special-shaped exhaust nozzle of the multi-model scramjet engines is characterized in that an exhaust nozzle shell 6 is in a cylinder shape, and a cable wire hole 2 is formed in the center of the exhaust nozzle shell; exhaust nozzle inner cavity flow channels 4 are evenly distributed in the circumferential direction of the special-shaped exhaust nozzle according to the number of the engines; and the outer wall of the cable wire hole 2, the inner wall of the exhaust nozzle shell 6 and two separation ribs 9 define one exhaust nozzle inner cavity flow channel 4. According to the monomer special-shaped exhaust nozzle, the technical aim that the multi-model rectangular/sectored cross section scramjet engines are integrated on the monomer special-shaped exhaust nozzle is achieved, and meanwhile the technical aims of thermal sealing between the engines and the exhaust nozzle, thermal match among the engines, the exhaust nozzle and a flight and the thermal protection between the exhaust nozzle and a body of the flight are achieved.