For laminar flow of a Newtonian fluid in a tube (a) Show that the average velocity over

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For laminar flow of a Newtonian fluid in a tube

(a) Show that the average velocity over the cross section is half of the maximum velocity in the tube.

(b) Derive the kinetic energy correction factor for laminar flow of a Newtonian fluid in a tube (i.e., $\alpha=2$ ).

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