Prove that, for the separate cylinders model in laminar flow, n ¼ 2 in Eq. (1) of 13.5.  Prove that, for the separate cylinders model in turbulent flow, n ¼ 2.5 in Eq. (1) of 13.5, if the friction...

Prove that, for the separate cylinders model in laminar flow, n ¼ 2 in

Eq. (1) of 13.5.

 Prove that, for the separate cylinders model in turbulent flow,

n ¼ 2.5 in Eq. (1) of 13.5, if the friction factor is assumed to be constant,

whereas n ¼ 2.375 if the Blasius equation is valid.