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2. Golf ball - Wikipedia

   en.wikipedia.org/wiki/Golf_ball

   A golf ball beside a hole. A golf ball is a ball designed to be used in golf.Under the rules of golf, a golf ball has a mass no more than 1.620 oz (45.93 g), has a diameter not less than 1.680 inches (42.67 mm), and performs within specified velocity, distance, and symmetry limits.

3. Magnus effect - Wikipedia

   en.wikipedia.org/wiki/Magnus_effect

   The curved path of a golf ball known as slice or hook is largely due to the ball's spin axis being tilted away from the horizontal due to the combined effects of club face angle and swing path, causing the Magnus effect to act at an angle, moving the ball away from a straight line in its trajectory. [29]

4. Drag crisis - Wikipedia

   en.wikipedia.org/wiki/Drag_crisis

   The effect occurs at lower Reynolds numbers when the ball is rough (such as a golf ball with dimples) than when it is smooth (such as a table tennis ball). In fluid dynamics , the drag crisis (also known as the Eiffel paradox [ 1 ] ) is a phenomenon in which drag coefficient drops off suddenly as Reynolds number increases.

5. Drag (physics) - Wikipedia

   en.wikipedia.org/wiki/Drag_(physics)

   Aerodynamic Drag and its effect on the acceleration and top speed of a vehicle. Vehicle Aerodynamic Drag calculator based on drag coefficient, frontal area and speed. Smithsonian National Air and Space Museum's How Things Fly website; Effect of dimples on a golf ball and a car

6. Eddy (fluid dynamics) - Wikipedia

   en.wikipedia.org/wiki/Eddy_(fluid_dynamics)

   Lift and drag properties of golf balls are customized by the manipulation of dimples along the surface of the ball, allowing for the golf ball to travel further and faster in the air. [ 8 ] [ 9 ] The data from turbulent-flow phenomena has been used to model different transitions in fluid flow regimes, which are used to thoroughly mix fluids and ...

7. Reynolds number - Wikipedia

   en.wikipedia.org/wiki/Reynolds_number

   At higher Reynolds numbers the drag on a sphere depends on surface roughness. Thus, for example, adding dimples on the surface of a golf ball causes the boundary layer on the upstream side of the ball to transition from laminar to turbulent. The turbulent boundary layer is able to remain attached to the surface of the ball much longer than a ...