基于无源合成双射流的百公斤级飞行器短距起降增升首飞验证OA

Active flow control,which dynamically manipulates flow structures by injecting energy into the flow field,presents an innovative strategy to fulfill the high-lift requirements for aircraft operating under Short Takeoff and Landing(STOL)conditions.To assess its practical efficacy,this study developed an integrated control system that combines dual synthetic jet actuators-designed to control flow separation on control surfaces-with a multi-stage circulation control system aimed at augmenting wing lift.This system was deployed on an aircraft platform featuring a 5 m wingspan and a takeoff mass of 100 kilogram class for flight testing.The flight test in November 2025 results revealed that the dual synthetic jet lift-enhancement system significantly improved takeoff and landing performance:the takeoff rotation speed decreased from 26 m/s to 21 m/s,the ground roll distance was reduced from 156 m to 101 m,and the landing touch-down speed declined from 25 m/s to 20 m/s,and the landing energy was lowered by 36%.Furthermore,the achieve-ment of a stable roll rate of 3.8(°)/s through asymmetric actuation directly demonstrates the capacity of system to generate asymmetric lift and rolling control moments via precise flow manipulation.This work represents the first flight validation of a passive dual synthetic jet lift-enhancement technology on a medium-scale aircraft platform,thereby of-fering an innovative,efficient,and independently controllable technical approach for advancing aircraft STOL capabilities.