Integrated design of submerged inlet and fuselage

In response to the demand for unmanned aerial vehicles’ (UAVs) survivability in complex and dynamic battlefield environments, a submerged inlet with both stealth and aerodynamic features was designed. This inlet improves the total pressure recovery coefficient by adding a flow control slot in front of the inlet and using a forward-swept lip design. Additionally, during the integration with the aircraft fuselage, the sharp leading edge of the fuselage generates vortices on the upper surface of the fuselage at a positive angle of attack. This draws in a large amount of airflow and enhances the angle of attack adaptability of the submerged inlet. As a result, a highly adaptable submerged inlet was developed.