Magnus effect on a rotating soccer ball at high Reynolds numbers

• Experimental investigation of the Magnus effect on a rotating soccer ball.
• Dependence of aerodynamic force coefficients on Reynolds number.
• Effect of surface roughness and rotation on boundary layer separation.
• Visualization of the positive and negative Magnus effect.
• Effect of support interference on boundary layer separation.

The Magnus effect on a prototype model soccer ball rotating perpendicular to the flow direction at Reynolds numbers in the range of 0.96×105