The work aims to increase the performance of an aerofoil using the active method of a dual injection system. The three-dimensional numerical study that uses the Reynolds average Navier– Stokes equation along with the k-epsilon turbulence model is performed. This turbulence model is employed to identify the lift and drag coefficients at various angles. The results show that the dual injection system with the same mass flow produces better performance than the variable mass flow injection system. The obtained results proved that the proposed method used to increase the lift coefficient of 50% higher than the baseline and 14% improvement over the variation mass flow method. The novelty of the method is to effectively implement the dual injection system (DIS) over the top surface of an aerofoil by changing the various mass flow parameters to increase the performance of an aerofoil. The proposed concept can be an alternate solution for the existing co-flow jet method, which can be used for any type of commercial and military aircraft.
Mahajan et al. (Sun,) studied this question.