A65% efficient turbine receives 2 m^3/s of water from a reservoir. the reservoir water surface is 45 m above the centerline of the turbine. the water leaves the turbine through a 1-m diameter pipe into a river. how many kilowatts of power is generated by the turbine? assume losses in the flow system to be 5 m.

Given:

efficiency of the turbine, = 65% = 0.65

available gross head,   = 45 m

head loss,   = 5 m

Discharge, Q =  

Solution:

The nozzle is 100% (say)

Available power at the inlet of the turbine,   is given by:

                 (1)

where

= density of water = 997

acceleration due to gravity, g =

Using eqn (1):

Also, efficency, is given by:

answer:

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explanation: