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Active Flow Control for Drag Reduction in Deep Dynamic Stall ✈️ High-Fidelity Simulation: This study investigates active flow control techniques to alleviate deep dynamic stall on a plunging SD7003 airfoil. Using a finite difference-based solver with high-order compact schemes, the simulation explores drag reduction and lift maintenance at a Reynolds number of 60,000 and Mach number of 0.1. 🔬 Flow Control Techniques: Actuator Configurations: Various spanwise arrangements of actuators simulate blowing and suction at the leading edge. Key Findings: 2D actuators significantly reduce mean drag and fluctuations while maintaining lift for specific actuation frequencies. This effect is achieved by disrupting the dynamic stall vortex, increasing pressure along the suction side near the trailing edge, and reducing pressure near the leading edge. 📊 Simulation Accuracy: A mesh convergence study confirms good agreement with existing data for aerodynamic coefficients. 🔗 Paper: https://lnkd.in/dxf77dyx 💳 Video by Brener Ramos: https://lnkd.in/dyGdti9J #CFD #Airfoil #DynamicStall #DragReduction #FlowControl #AerospaceEngineering #HighFidelitySimulation #Aerodynamics #Engineering #TechEngineering
