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Problem 2 The 32-in diameter pump has a performance curve as below. The pump is used at 1170 rpm in a system whose head curve is hp = 110 + 1.5Q² (in ft), with Q in units of thousands of gallons of water per minute. Please estimate the discharge and brake horsepower (BHP) required for (a) one pump, (b) two pumps in parallel, and (c) two pumps in series. Total head, ft n = 1170 r/min 800 700 36-in dia. 600 32-in dia. 500 400 28-in dia. 300 65% 72% 78% %78- 1500 bhp 200 0 8 12 16 NPSH 85% 87% 88% 20 20 87%x 3500 bhp 3000 bhp 2500 bhp 2000 bhp 24 28 U.S. gallons per minute x 1000 50 30 20 NPSH, ft

Problem 2 The 32-in diameter pump has a performance curve as below. The pump is used at 1170 rpm in a system whose head curve is hp = 110 + 1.5Q² (in ft), with Q in units of thousands of gallons of water per minute. Please estimate the discharge and brake horsepower (BHP) required for (a) one pump, (b) two pumps in parallel, and (c) two pumps in series. Total head, ft n = 1170 r/min 800 700 36-in dia. 600 32-in dia. 500 400 28-in dia. 300 65% 72% 78% %78- 1500 bhp 200 0 8 12 16 NPSH 85% 87% 88% 20 20 87%x 3500 bhp 3000 bhp 2500 bhp 2000 bhp 24 28 U.S. gallons per minute x 1000 50 30 20 NPSH, ft

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem 2 The 32-in diameter pump has a performance curve as below. The pump is used at 1170 rpm in a system whose head curve is hp = 110 + 1.5Q² (in ft), with Q in units of thousands of gallons of water per minute. Please estimate the discharge and brake horsepower (BHP) required for (a) one pump, (b) two pumps in parallel, and (c) two pumps in series. Total head, ft n = 1170 r/min 800 700 36-in dia. 600 32-in dia. 500 400 28-in dia. 300 65% 72% 78% %78- 1500 bhp 200 0 8 12 16 NPSH 85% 87% 88% 20 20 87%x 3500 bhp 3000 bhp 2500 bhp 2000 bhp 24 28 U.S. gallons per minute x 1000 50 30 20 NPSH, ft
Transcribed Image Text:Problem 2 The 32-in diameter pump has a performance curve as below. The pump is used at 1170 rpm in a system whose head curve is hp = 110 + 1.5Q² (in ft), with Q in units of thousands of gallons of water per minute. Please estimate the discharge and brake horsepower (BHP) required for (a) one pump, (b) two pumps in parallel, and (c) two pumps in series. Total head, ft n = 1170 r/min 800 700 36-in dia. 600 32-in dia. 500 400 28-in dia. 300 65% 72% 78% %78- 1500 bhp 200 0 8 12 16 NPSH 85% 87% 88% 20 20 87%x 3500 bhp 3000 bhp 2500 bhp 2000 bhp 24 28 U.S. gallons per minute x 1000 50 30 20 NPSH, ft
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