Aerodynamics of tennis balls - effect of wear

GOODWILL, S. R. and HAAKE, Steve (2004). Aerodynamics of tennis balls - effect of wear. In: HUBBARD, M., MEHTA, R. D. and PALLIS, J. M., (eds.) The engineering of sport 5. International sports engineering assocation, 35-41.

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The aerodynamic properties of spinning balls were obtained using a wind tunnel with a dedicated force balance. The ball was spun at rates of up to 2750 rpm, which is representative of a typical top spin shot hit by a professional player. Drag and life coefficients (CD and CL respectively) were measured for a range of balls which had been subjected to varying amounts of wear. Both CD and CL of the worn balls were generally lower than those of the new balls. A trajectory plot was used to show that the heavily worn balls would give a receiver 1.5% less reaction time.

Item Type: Book Section
Additional Information: Proceedings of the 5th international conference on the engineering of sport
Research Institute, Centre or Group - Does NOT include content added after October 2018: Centre for Sports Engineering Research
Page Range: 35-41
Depositing User: Carole Harris
Date Deposited: 03 Aug 2010 09:24
Last Modified: 18 Mar 2021 11:01

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