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1. Data and working hypotheses
The pump selected is a type NM 252 from Ingersoll Dresser Pumps with the following characteristics:
maximum output flow: Q RM = 1,100m 3 /h ;
height of elevation: H RM = 59 m ;
maximum efficiency: η M = 85% ;
power consumption at maximum output: P RM = 208.5 kW.
The H(Q), P (Q), η(Q) curves for the NM 252 pump are shown on the graph in figure 1 .
In our application, we adopt...
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Data and working hypotheses
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