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a concept model of france's next-generation fighter jet.

according to media reports, a video recently disclosed by foreign media shows that a conceptual model of the french next-generation fighter jet undergoing wind tunnel testing is highly similar to the russian su-57 fighter jet. in particular, there is a leading edge control device above the front of the air intake of the aircraft, which is almost identical to the leading edge active surface on the su-57 fighter jet.

the video was reportedly first released by the french aeronautical research center. the concept model undergoing wind tunnel testing in the video is said to be one of the "superman project" programs. the purpose of the test is to "study the flight performance of fighter jets at the edge of the flight envelope" and to achieve a pitch angle change of 100 degrees per second by adding a leading edge vortex control device to the aircraft.

the "superman project" is a french aerodynamic technology research project for the next generation fighter jet, which aims to explore the boundaries of the fighter jet's flight envelope and clarify the aerodynamic shape of the next generation fighter jet. the report believes that this video shows that france is considering adopting a tailless design for the next generation fighter jet. the tailless design has many advantages, including low detectability in multiple directions, better sustained high speed and cruising flight performance, but the disadvantage is that it has an adverse effect on the overall maneuverability.

france uses a leading edge vortex control device to maximize the maneuverability of the tailless design. the su-57 fighter uses a vertical tail and a horizontal tail, and by using a leading edge vortex control device, the maneuverability of the aircraft has been greatly improved. france's design purpose is the same, hoping to "strike a balance between high stealth and aerodynamic performance." (compiled by ziyuan)