The Aerodynamics of Cricket Ball Swing

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• Samuel Grimshaw and Aaron Briggs (Whittle Laboratory)
• Friday 10 March 2023, 13:00-14:00
• MR14, Centre for Mathematical Sciences, Wilberforce Road, Cambridge.

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Cricket ball swing allows fast bowlers to curve the ball through the air at speeds up to 100 miles per hour. It is viewed as a fickle, mysterious phenomenon by players, pundits and fans and there are many theories and anecdotes which attempt to explain the optimal technique and conditions for swing. Our study was funded by the England and Wales Cricket Board (ECB) to investigate the aerodynamic origins of cricket swing, and identify the key factors which affect how much a ball will swing. The project used wind tunnel experiments and the Whittle Laboratory to measure the forces on real cricket balls, and infrared imaging technology to visualise boundary layer properties. This talk gives an overview of cricket ball swing physics and presents a statistical model for new ball swing that can be used to predict outcomes in professional cricket.

This talk is part of the G.K. Batchelor Laboratory lunchtime seminar series.

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