Table 3 Element V b C2 w m/s Rachar Raactual Raactual/Rachar Condition Spiral casing 0.09 8 60 6.975 8.6020 0.9 0.10462683 Hydr. smooth Guide vanes 0.11 7 50 11.867 4.2134 0.8 0.18987041 Hydr. smooth Runner 0.204 7 50 35.822 1.3958 0.8 0.57314802 Hydr. rough Draft tube 0.012 8 60 9.372 6.4020 0.9 0.14058 Hydr. smooth Disc friction 0.07 5 90 40.110 2.2438 0.8 0.35653802 Hydr. rough S V= 0.486