Centrifugal Pumps Design and Application 2nd ed - Val S. Lobanoff, Robert R. Ross (Butterworth-Heinemann, 1992)

172 Centrifugal Pumps: Design and Application
Notations
BHP
F R
Brake horsepower
Flow rate (SCFD)
f
f i
Blade passing frequency = N x vane no.760
Acoustic frequency == velocity of pulsation (ft/sec)/wave length 1
(ft)
GHP Gas horsepower
H Total pump head (ft)
HI Inlet enthalpy (Btu/lb)
H 2 Outlet enthalpy (Btu/lb)
H c Outlet enthalpy corrected (Btu/lb)
AH Differential enthalpy (Btu/lb)
AH 1 Differential enthalpy corrected (Btu/lb)
M Mass flow rate (Ibs/hr)
N Speed (RPM)
PI
P 2
Inlet pressure (psi)
Outlet pressure (psi)
Qi Pump capacity at inlet (GPM)
Q 2 Pump capacity at outlet (GPM)
S, Specific entropy at inlet (Btu/lb °R)
S 2 Specific entropy at outlet (Btu/lb °R)
S c Specific entropy at outlet corrected (Btu/lb °R)
SGi Specific gravity inlet
T, Temperature at inlet (°F)
T 2 Temperature at outlet (°F)
T c Temperature at outlet corrected (°F)
Vj Specific volume at inlet (ft 3 /lb)
V 2 Specific volume at outlet (fWlb)
V c Specific volume at outlet corrected (ft 3 /lb)
ji Density inlet (lb/ft 3 )
7c Density corrected (lb/ft 3 )
References
Doner, O.» "Pump Selections For Pipeline Applications," personal file.
Ross, R. R., "Centrifugal Pumps For Pipeline Applications," ASME
Pipeline Engineering Symposium, presented at 6th annual Energy
Sources Technology Conference and Exhibition, Houston, Texas, January
30, 1983 to February 3, 1983. Reproduced with the permission of
the publisher, The American Society of Mechanical Engineers.
Starling, Kenneth E., Fluid Thermodynamic Properties For Light Betroleum
Systems, Gulf Publishing Company, Houston, Texas, 1973.