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can be described as follows: H- 5+0.43Q Parabola Where H: in meters, Q in m'/min. he head losses in the suction pipe amount to 0.8m and the cavitation constant is 2. Check for cavitation assuming the pump is located at sea level, the vapor ressure is 3.17 kpa

can be described as follows: H- 5+0.43Q Parabola Where H: in meters, Q in m'/min. he head losses in the suction pipe amount to 0.8m and the cavitation constant is 2. Check for cavitation assuming the pump is located at sea level, the vapor ressure is 3.17 kpa

Sustainable Energy
Sustainable Energy
2nd Edition
ISBN:9781337551663
Author:DUNLAP, Richard A.
Publisher:DUNLAP, Richard A.
Chapter14: Ocean Thermal Energy Conversion And Ocean Salinity Gradient Energy
Section: Chapter Questions
Problem 14P
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A wastewater pump of 30 cm impeller has a characteristics curve defined by the formula: H= 13.6-0.83g Where H in meters, Q in m'/min, It is designed to operate at 705 rpm, It will operate at the best efficiency point with flooded suction (water at the top of pump volute). The system head capacity curve can be described as follows: H- 5+0.43Q parabola Where H: in meters, Q in m'/min. The head losses in the suction pipe amount to 0.8m and the cavitation constant is 0.2. Check for cavitation assuming the pump is located at sea level, the vapor pressure is 3.17 kpa
Transcribed Image Text:A wastewater pump of 30 cm impeller has a characteristics curve defined by the formula: H= 13.6-0.83g Where H in meters, Q in m'/min, It is designed to operate at 705 rpm, It will operate at the best efficiency point with flooded suction (water at the top of pump volute). The system head capacity curve can be described as follows: H- 5+0.43Q parabola Where H: in meters, Q in m'/min. The head losses in the suction pipe amount to 0.8m and the cavitation constant is 0.2. Check for cavitation assuming the pump is located at sea level, the vapor pressure is 3.17 kpa
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