Optimization of the double-slot blown airfoil with jet at the leading and trailing edges of the flap
Songlin Xiang,
Qing Wen,
Meng Wei
et al.
Abstract:An active lift augmentation technique combining trailing edge blowing and blown flap is explored in this study. A double-slot blown flap airfoil is designed based on NACA23015. By optimizing the configuration parameters via the neural network surrogate model and particle swarm optimization algorithm, the lift coefficient at the 8° angle of attack reaches ∼5.14, which is approximately a 24% increasement relative to the baseline single-slot blown flap airfoil. In the configuration optimization, a longer flap fac… Show more
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