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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/10036

Title: The application of simulation to the understanding of football flight
Authors: Tuplin, Simon
Passmore, Martin A.
Rogers, David
Harland, Andy R.
Lucas, Tim
Holmes, Chris E.
Keywords: Football
Flight trajectory
Spin rate
Spin decay
Reynolds number
Issue Date: 2012
Publisher: Sage Publications © IMechE
Citation: TUPLIN, S. ... et al., 2012. The application of simulation to the understanding of football flight. Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology, 226 (2), pp. 134–142.
Abstract: This paper demonstrates the value of using a flight model in the analysis of the flight of a football, and explores the complexity of the model required to produce useful results. Two specific aspects of the simulation are addressed: the need to include a model of spin decay and the requirement to include a full aerodynamic drag profile as a function of Reynolds number rather than a single indicative value. Both are aspects of the ball performance that are experimentally intensive to obtain. The simulated flights show that the inclusion of spin degradation is important if flight validation is the objective, but that it may be unnecessary in a comparative study. The simple analytical model of spin degradation is shown to overestimate the reduction in lateral deviation when compared to experimentally acquired data. Therefore, the experimental method is preferred. The analysis of the shape of the drag profile (drag coefficient against Reynolds number) is explored, and it is shown from the simulated flights that post-critical coefficients of drag have the greatest effect on trajectories, and an average drag value is sufficient for most modelled scenarios.
Description: This article was published in the journal, Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology [Sage © IMechE ] and is available at: http://dx.doi.org/10.1177/1754337112444402
Version: Accepted for publication
DOI: 10.1177/1754337112444402
URI: https://dspace.lboro.ac.uk/2134/10036
Publisher Link: http://dx.doi.org/10.1177/1754337112444402
Appears in Collections:Published Articles (Aeronautical and Automotive Engineering)
Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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