Please show complete given, required, schematic diagram, solution and discussion. Show all the formulas used and don't round off. Calculate the total head of a centrifugal pump and use the Darcy equation in computing the frictionhead in suction and discharge line. Consider the following data: water temperature = 60 ° F.,ZTOTAL=65 ft., flow of water = 1500 g.p.m., diameter of suction line = 8 in., diameter of dischargeline = 6 in., length of suction line = 10 ft., length of discharge line = 70 ft., turbulence loss insuction line = 0.3 ft., turbulence loss in discharge line = 0.6 ft., and pipe roughness corresponds to"best cast iron." Determine the total head which must be delivered by the pump.

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Answered: Calculate the total head of a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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An existing pump is used to pump water with the following data at BEP: D = 2.15 in, N = 1784 rpm, ρ = 998 kg/m3, Q = 18 gpm, H = 4.2 ft. A larger pump is to be designed based from the existing one to be used for pumping slurry (ρ = 1220 kg/m3) such that its best efficiency point occurs as close as possible to a volume flow rate of 48 gpm and at a net head of 15 ft. Calculate the new pump diameter in inches. Round off your final answer to 3 decimal places.
A certain centrifugal pump was tested and its performance curves can be approximated as follows: H = 340 - 1.2(Q2), in feet BP = (0.0521Q3) + (1.25Q2) + (11.042Q) + 134.5, in horsepower where Q is in ft3/s. If two of this pump is connected in series to deliver water to a system whose head requirement is 615 ft, what will be the operating discharge rate in ft3/s of either pumps? Assuming the head is equally divided between the two pumps, what is the efficiency of either pumps (in %)? Take the specific weight of water to be 62.4 lbf/ft3.
The original design of a hydraulic turbine has data as follows: flow rate of 1 cumex, effective head of 50 m, and runner diameter of 1.5 m. If the same turbine design is to be used in another application where the available flow is 2.5 cumex and effective head is 75 m, what would be the runner diameter (in meters) for this new application?
A centrifugal pump delivers 1.8m3 water against a head of 30m when rotating at 1200rpm. The diameter of its impeller is 45cm. If a pump with the same specific speed is to discharge 6.0m3/sec at 1100rpm, what is its impeller diameter? ANSWER: 69.2cm
consider the following conditions: a centrifugal pump has diameters d1 = 7 in, d2 = 13 in, blade widths b1 = 4 in, b2 = 3 in, blade angles β1 = 25° and β2 = 40°, and rotates at 1160 r/min. If the fluid is gasoline at 20°C (ρ = 1.319 slugs/ft^3) and the flow enters the blades radially, estimate the theoretical or “design” quantities. (a) design flow rate in gal/min (b) horsepower (c) head in ft
A centrifugal pump has d1=1.5 cm ,d2=3 cm, b1= 1cm, b2= 0.7 cm, B1= 25° , and B=40° and rotates at 1200 r/min . If the fluid is blood and the flow enters the blades radially, estimate the theoretical (a) flow rate in l/min ,(b) power and (c) , head , known the blood density is 1070 kg/m3
3. A centrifugal pump has d1 = 7 in., d2 = 13 in., b1 = 4 in., b2 = 3 in., 1 = 25, 2 = 40 and rotates at 1160 rev/min. If the fluid is gasoline at 20C and the flow enters the blades radially, Estimate the theoretical (a) flow rate, in gpm; (b) the water horsepower; and (c) the head in ft. b. flow rate Answer : _______________ gpmc. water horsepower Answer : _______________ HPd. head Answer : _______________ ft
A certain centrifugal pump was tested and its performance curves can be approximated as follows: H = 340 - 1.2(Q2), in feet BP = (0.0521Q3) + (1.25Q2) + (11.042Q) + 134.5, in horsepower where Q is in ft3/s. If two of this pump is connected in series to deliver water to a system whose head requirement is 615 ft, what will be the operating discharge rate in ft3/s of either pumps?
A centrifugal pump discharging 10 lps against 25 m of head and operating with an efficiency of 60% requires 4.1 kW at 1000 rpm. What is the theoretical discharge if the speed is increased to 1500 rpm assuming the efficiency remains constant? What is the theoretical head and kW at 1500 rpm?.
1) A single-stage centrifugal pump operating at 650 rpm and delivering 250 gallons per second has a specific speed of 4750 rpm. The suction flange is 609.6 mm in diameter and has a vacuum pressure of 70 kPa. The discharge flange is 22 inches in diameter and its centerline is 30.5 cm above the suction centerline. What discharge pressure in kPaa would you expect to find?
Q Consider the following data relating toperformance of a centrifugal pump:speed 1200 rpm, flow rate 30 L/s, head 20 m, and power 5 kW. If the speed of the pump is increased to 1500 rpm, assuming the efficiency isunaltered, Find the new flow rate and head.
A double suction centrifugal pumps delivers 25ft3 of water at a head of 12m and running at 650rpm. What is the specific speed of the pump? ANSWER: 3097.77rpm

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