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Science of Swing Bowling

Swing Bowling is the technique used by bowler in cricket to  decieve batsmen. It is classified as subtype of fast bowling. The Aim of swing bowling is to move the ball in air towards or away from the batsmen.In hope that it would change its path in air, decieve the batsman and cause them to play it incorrectly. Asymmetry of the ball is encouraged by the polishing of one side of the ball by members of the fielding team, while allowing the opposite side to deteriorate through wear and tear. With time, this produces a difference in the aerodynamic properties of the two sides. Both turbulent and laminar airflow contribute to swing. Air in laminar flow separates from the surface of the ball earlier than air in turbulent flow, so that the ' separation point'  moves toward the front of the ball on the laminar side. On the turbulent flow side it remains towards the back, inducing a greater lift force on the turbulent airflow side of the ball. The calculated net lift for...