Water flow over a flat plate at a free stream velocity of 0.15 m/s. There is no pressure gradient and medium boundary layer in 6mm thick. Assume a sinusoidal velocity profile U = sin() for the flow condition stated U ∞ 2 above calculate the skin friction coefficient. Assume μ=1.02×10-³kg/m-s p= 1000 kg/m³

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Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?