Tennis ball impacts on synthetic turf

HAAKE, S. J. and GOODWILL, S. R. (1997). Tennis ball impacts on synthetic turf. JSME joint symposium, 97 (34), 137-144.

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Abstract

A pilot study has been carried out to look at the mechanics of tennis ball impacts on synthetic turf. A medium-paced forehand groundstroke was studied using high speed video and the velocities angles and spins recorded used to verify an aerodynamic model. The model was then used to predict the impact conditions for the medium paced forehand. Impacts were subsequently carried out on a synthetic turf system using unpressurised, low pressure and high pressure tennis balls. Impact velocities of 20 and 25 ms-1 were used at angles of 20 and 25° to the horizontal surface. It was found that unpressurised ball rebound 4% faster and at 10% lower angles than the high pressure ball. It was deduced that this was due to the small deformation of the unpressurised ball during impact causing it to slip throughout. The frictional forces were thus lower causing the ball to rebound faster.

Item Type: Article
Research Institute, Centre or Group: Centre for Sports Engineering Research
Depositing User: Carole Harris
Date Deposited: 01 Sep 2010 10:59
Last Modified: 07 Sep 2010 17:07
URI: http://shura.shu.ac.uk/id/eprint/2260

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