Calculate the required pipe diameter to avoid cavitation, if the pump delivers Q = 30US gallon/min water from a closed tank, where the pressure (above the water level) is p = 40kPa. The equivalent length of the smoothened concrete pipe on the suction side is 12m while the suction flange of the pump is 8m below the water level. The vapour pressure at the given water temperature is 2.8kPa. The required net positive suction head is NPSHr = 3.2m. Please show complete formulas and units being cancelled.
Calculate the required pipe diameter to avoid cavitation, if the pump delivers Q = 30US gallon/min water from a closed tank, where the pressure (above the water level) is p = 40kPa. The equivalent length of the smoothened concrete pipe on the suction side is 12m while the suction flange of the pump is 8m below the water level. The vapour pressure at the given water temperature is 2.8kPa. The required net positive suction head is NPSHr = 3.2m. Please show complete formulas and units being cancelled.
Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter8: Landfills
Section: Chapter Questions
Problem 8.10P
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Question
Calculate the required pipe diameter to avoid cavitation, if the pump delivers
Q = 30US gallon/min water from a closed tank, where the pressure (above the
water level) is p = 40kPa. The equivalent length of the smoothened concrete
pipe on the suction side is 12m while the suction flange of the pump is 8m below
the water level. The vapour pressure at the given water temperature is 2.8kPa.
The required net positive suction head is NPSHr = 3.2m.
Please show complete formulas and units being cancelled.
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