In fluid dynamics, a wake is the region of separated flow (usually turbulent)downstream of a solid body moving relative to the fluid, caused by the flow of liquid around the body. In incompressible mediums such as water, a bow wake is created when a watercraft moves through the medium; as the medium cannot be compressed, it must be displaced instead, resulting in a wave. As with all wave forms, it spreads outward from the source until its energy is overcome or lost, usually by friction or dispersion.
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In fluid dynamics, a wake is the region of separated flow (usually turbulent)downstream of a solid body moving relative to the fluid, caused by the flow of liquid around the body. In incompressible mediums such as water, a bow wake is created when a watercraft moves through the medium; as the medium cannot be compressed, it must be displaced instead, resulting in a wave. As with all wave forms, it spreads outward from the source until its energy is overcome or lost, usually by friction or dispersion.
"No wake zones" may prohibit wakes in marinas and around mooring areas.
Wakes are occasionally used recreationally. Swimmers, people riding personal watercraft, and aquatic mammals such as dolphins, can ride the leading edge of a wake. In the sport of water polo, the ball carrier can swim while advancing the ball, propelled ahead with the wake created by alternating armstrokes, a technique known as dribbling.
See also
- Wake turbulence
- Wakeboarding
- Slipstream
