Centrifugal Pump Flashcards
1
Q
Specific Speed (Ns)
A
Ns = N √ V / (TDH) ^ 3/4
2
Q
Similar Pumps
A
A. N1 √V1 / (TDH) ^ 3/4 = N2 √V2 / (TDH) ^ 3/4
B. V1/ N1 D1^2 = V2/ N2 D2^3
Specific Speed (Ns)
Ns = N √ V / (TDH) ^ 3/4
Similar Pumps
A. N1 √V1 / (TDH) ^ 3/4 = N2 √V2 / (TDH) ^ 3/4
B. V1/ N1 D1^2 = V2/ N2 D2^3