A.) The loss factor for a 90 degree elbow is: B.) The total form friction head loss in ft is C.) The actual shaft work needed (since pump efficiency is only 60%) in horsepower or hp is: A centrifugal pump takes brine from the bottom of a supply tank and delivers it into the bottom of another tank. The brine level in the discharge tank is 150 ft above that in the supply tank. The line between the tanks is 600 ft of 4-in. Schedule 40 pipe. The flow rate is 400 gal/min. In the line are two gate valves, four standard tees, and four ells. What is the energy cost for running this pump for one 24-h day? The specific gravity of brine is 1.18, the viscosity of brine is 1.2 cP, and the energy cost is $400 per horsepower-year on a basis of 300 d/yr. The overall efficiency of pump and motor is 60 percent.
A.) The loss factor for a 90 degree elbow is:
B.) The total form friction head loss in ft is
C.) The actual shaft work needed (since pump efficiency is only 60%) in horsepower or hp is:
A centrifugal pump takes brine from the bottom of a supply tank and delivers it into the bottom of another tank. The brine level in the discharge tank is 150 ft above that in the supply tank. The line between the tanks is 600 ft of 4-in. Schedule 40 pipe. The flow rate is 400 gal/min. In the line are two gate valves, four standard tees, and four ells. What is the energy cost for running this pump for one 24-h day? The specific gravity of brine is 1.18, the viscosity of brine is 1.2 cP, and the energy cost is $400 per horsepower-year on a basis of 300 d/yr. The overall efficiency of pump and motor is 60 percent.
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