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Passive boundary layer control shows us that disturbance could make the flow become more turbulent and increase the flow momentum. It makes the flow become strong enough to interact with the body surface friction forces and adverse pressure generated by crossectional surface-enlargement.
In the case of external flow, golf ball is intentionally designed with 300 until 500 dimples on its surface in order to control the flow around the ball. Dimples make the air will follow the ball surface little farther around the back side of the ball and the separation point of the flow through a golf ball will be delayed, thereby decreasing the size of the wake region. The smaller the wake region, the smaller the drag force. This is why the golf ball will fly farther than any other ball without dimples while hitted identically.
At the end of the caption, I just want to tell you that disturbance is not always bad for us. Sometimes its good to come to our life. It comes for maturity reason. Like a disturbance in a flow that increases the flow momentum, decreases the losses, life matter drives us become more mature, decreases the possible of damage for the next battle.