construction system

The laminar boundary is a very smooth flow, while the turbulent boundary layer contains swirls or "eddies." The laminar flow creates less skin friction drag than the turbulent flow, but is less stable.Boundary layer flow over a wing surface begins as a smooth laminar flow.

Boundary layer, in fluid mechanics, thin layer of a flowing gas or liquid in contact with a surface such as that of an airplane wing or of the inside of a pipe.The flow in such boundary layers is generally laminar at the leading or upstream portion and turbulent in the trailing or downstream portion.