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2. Golf ball - Wikipedia

   en.wikipedia.org/wiki/Golf_ball

   To keep the aerodynamics optimal, the golf ball needs to be clean, including all dimples. Thus, it is advisable that golfers wash their balls whenever permissible by the rules of golf. Golfers can wash their balls manually using a wet towel or using a ball washer of some type.

3. 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.

4. Flow separation - Wikipedia

   en.wikipedia.org/wiki/Flow_separation

   Much effort and research has gone into the design of aerodynamic and hydrodynamic surface contours and added features which delay flow separation and keep the flow attached for as long as possible. Examples include the fur on a tennis ball, dimples on a golf ball, turbulators on a glider, which induce an early transition to turbulent flow ...

5. Why do golf balls have dimples?

   www.aol.com/news/2016-03-25-why-do-golf-balls...

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6. 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

7. 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 ...