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"In general there are two types of boundary layers: the laminar and the turbulent. The laminar boundary layer is a nice smooth boundary layer. Very close to the hull its speed is 0 and the farther away from the hull the higher the speed becomes, until it reaches the ship speed. This laminar flow has a low frictional loss, but is not easy to maintain when it gets thicker.
(Submitted by Noel Fri Mar 19, 2004 )
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