[1710.02784] An Aerodynamic Analysis of Recent FIFA World Cup Balls

(Submitted on 8 Oct 2017 ( v1 ), last revised 18 Feb 2018 (this version, v2))
Abstract: Drag and lift coefficients of recent FIFA world cup balls are examined. We fit a novel functional form to drag coefficient curves and in the absence of empirical data provide estimates of lift coefficient behaviour via a consideration of the physics of the boundary layer. Differences in both these…

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