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Laminar flow patterns



 
Steady flow of a fluid, gas or liquid. At each point the average speed of the molecules is equal to a mean value given by v(x,y) and which is constant in time.     Stream lines for a steady flow.


 
Velocity distribution for a fluid flow against a wall.     Stream lines for a fluid flow against a wall. Notice that places where the density of stream lines is small correspond to low average speed of the fluid molecules.




Laminar flow patterns