Re=vud=π×0.25×0.000014×0.3=1527887.45
This a turbulent flow
f=[ln(3.7De+Re0.95.74]21.325=[ln(3.7×0.250.00026+1527887.450.95.74]21.325=0.021714033
- The head loss due to friction
u=0.25πd2Q=0.25π×0.2520.3=6.1m/s
hf=fdL2gu2=0.021714033×0.255002×9.816.12=82.4m
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