Page 284 - Centrifugal Pumps Design and Application

Hydraulic Power Recovery Turbines 253

C » Absolute Velocity of Flow (Ft/Sec)
U e Peripheral Velocity of Runner (Ft/Sec)
W « Relative Velocity of Flow (Ft/Sec)
8 * vane Angle
V « Shock Velocity (Ft/Sec)
O
q = Acceleration Gravity
SG « Specific Gravity of Liquid
E = Overall Efficiency
Q = Total Flow (GPM)

H « Total Dynamic Head (Ft)
HP T «= Horsepower Losses (Leakage, Disc, Mechanical)
L

Figure 14-4. Turbine theory.