Question

1) An elevated storage tank contains water at 82.2°C as shown in the figure. It is desired to have a discharge rate of 0.223 ft³/s at point b. Calculate what must be the height H (in ft) of the surface of the water in the tank relative to the discharge point? The pipes used are schedule-40 steel pipes with the nominal dimension shown in the figure. • The density and the viscosity of water at 82.2°C are 60.52 lbm/ft³ and 2.33×10?? lbm/ft-s. • Assume the pipes are smooth and consider all losses (i.e., contraction, expansion, fittings). (a) Write down the Bernoulli's equation between point a and b in the figure. (b is the discharge point at the end of the pipe.) (b) What are the average velocities of the water in the S-40 4-in and 2-in pipes, respectively? (c) Determine the Fanning friction factors in the S-40 4-in and 2-in pipes. (d) Calculate the total frictional loss. (e) What should be the height, H?

          1) An elevated storage tank contains water at 82.2°C as shown in the figure. It is desired to have a discharge rate of 0.223 ft³/s at point b. Calculate what must be the height H (in ft) of the surface of the water in the tank relative to the discharge point? The pipes used are schedule-40 steel pipes with the nominal dimension shown in the figure. • The density and the viscosity of water at 82.2°C are 60.52 lbm/ft³ and 2.33×10?? lbm/ft-s. • Assume the pipes are smooth and consider all losses (i.e., contraction, expansion, fittings). (a) Write down the Bernoulli's equation between point a and b in the figure. (b is the discharge point at the end of the pipe.) (b) What are the average velocities of the water in the S-40 4-in and 2-in pipes, respectively? (c) Determine the Fanning friction factors in the S-40 4-in and 2-in pipes. (d) Calculate the total frictional loss. (e) What should be the height, H?

1) An elevated storage tank contains water at 82.2°C as shown in the figure. It is desired to have a discharge rate of 0.223 ft³/s at point b. Calculate what must be the height H (in ft) of the surface of the water in the tank relative to the discharge point? The pipes used are schedule-40 steel pipes with the nominal dimension shown in the figure. • The density and the viscosity of water at 82.2°C are 60.52 lbm/ft³ and 2.33×10?? lbm/ft-s. • Assume the pipes are smooth and consider all losses (i.e., contraction, expansion, fittings). (a) Write down the Bernoulli's equation between point a and b in the figure. (b is the discharge point at the end of the pipe.) (b) What are the average velocities of the water in the S-40 4-in and 2-in pipes, respectively? (c) Determine the Fanning friction factors in the S-40 4-in and 2-in pipes. (d) Calculate the total frictional loss. (e) What should be the height, H?

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