Regarding pump power and its calculation formula
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According to the specifications on the water pump’s nameplate, where H=60m and Q=12m3/h, why is the power 4KW? If calculated using the formula N=ρgQH, it should be 7.2 KW, right? Seeking advice
Traffic usage in seconds per cubic meter per second m3/s
This is the amount of work that needs to be done! The conversion rate still needs to be improved
Oh, thank you. But calculated using m3/s, it should be 1000**9.8*12*60/3600 = 1960W. So why is a pump power of 4kW chosen?
Below, I divided by 3600, but the values still differ greatly
This post was last edited by foam_ZPTK on 2018-8-20 at 11:13. Since you did not divide by the pump’s efficiency, the value obtained is the shaft power; when selecting a motor, a safety factor of 1.25 must also be taken into account, and the resulting value represents the power required for the motor