Consider the encased pipe of .29, but nowallow for the

Chapter 8, Problem 8.40

(choose chapter or problem)

Consider the encased pipe of 4.29, but nowallow for the difference between the mean temperatureof the fluid, which changes along the pipe length, andthat of the pipe.(a) For the prescribed values of k, D, w, h, and T?and apipe of length L?100 m, what is the outlet temper-ature Tm,oof water that enters the pipe at a tempera-ture of Tm,i?90C and a flow rate of ?(b) What is the pressure drop of the water and the cor-responding pump power requirement?(c) Subject to the constraint that the width of the duct isfixed at w?0.30 m, explore the effects of the flowrate and the pipe diameter on the outlet temperature.