Determine the minimum distance a pump should be located below the water surface elevation (Zs) in order to avoid cavitation. The total friction head loss (hLf) is 0.04 meters, and the sum of all minor losses is 0.2 meters. The atmospheric pressure is 101 kPa and the water vapor pressure at 20º C is 2.3388 kPa. The pump required net positive suction head (NPSHR) is 12 meters.
Determine the minimum distance a pump should be located below the water surface elevation (Zs) in order to avoid cavitation. The total friction head loss (hLf) is 0.04 meters, and the sum of all minor losses is 0.2 meters. The atmospheric pressure is 101 kPa and the water vapor pressure at 20º C is 2.3388 kPa. The pump required net positive suction head (NPSHR) is 12 meters.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Determine the minimum distance a pump should be located below the water surface elevation (Zs) in order to avoid cavitation. The total friction head loss (hLf) is 0.04 meters, and the sum of all minor losses is 0.2 meters. The atmospheric pressure is 101 kPa and the water vapor pressure at 20º C is 2.3388 kPa. The pump required net positive suction head (NPSHR) is 12 meters.
Transcribed Image Text:5) Determine the minimum distance a pump should be located below the water surface
elevation (Zs) in order to avoid cavitation. The total friction head loss (hLf) is 0.04
meters, and the sum of all minor losses is 0.2 meters. The atmospheric pressure is 101
kPa and the water vapor pressure at 20° C is 2.3388 kPa. The pump required net
positive suction head (NPSHR) is 12 meters.
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28
EGL
HGL
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NPSH,
Gate valve
Patm
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Absolute zero pressure
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