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Golf Fan Story

A golf ball performs within specified velocity, distance, and symmetry limits. A ball moving through air experiences two major aerodynamic forces, lift and drag. Dimpled balls fly farther than non-dimpled balls due to the combination of two effects:

First, the dimples on the surface of a golf ball cause the boundary layer on the upstream side of the ball to transition from laminar to turbulent. The turbulent boundary layer creates a narrower, low pressure and hence less pressure drag. The reduction in pressure drag causes the ball to travel farther.

Second, backspin generates lift by deforming the airflow around the ball, in a similar manner to an airplane wing. A backspinning ball experiences an upward lift force which makes it fly higher and longer than a ball without spin.(edited from WIKIPEDIA).

Beginning in 2006, ZAWARD CORP has implemented patented dimple surface design as impellers of GOLF FAN in ZAWARD products. The distinctive shape of GOLF FAN has become a trademark of ZAWARD.

The concept of ZAWARD GOLF FAN is based on the dimple surface of a golf ball, which helps GOLF FAN to reduce air resistance and turbulence, resulting in extremely quiet operation while raising airflow volume. The frame of the ZAWARD GOLF FAN offer a remarkably improved air intake.

The dimples on the blades of ZAWARD GOLF FAN can reduce air resistance and provide lift force when rotating. There are many dimples in the surface of blades, the purpose is to help GOLF FAN blades producing lift force and reducing the noise when rotating.

A dimple-surfaced impeller can produce lift force as the airfoil do. The unique surface structure of the ZAWARD GOLF FAN on the impellers, in comparison with conventional fans, show an improved airflow and low sound at the same rotating speed.