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// design of termengor power stations
// ex 7.7 pgno.178
clc
Q=125.4 // flow rate at m3/s
H=101 // m
N=214.3 // speed in rev/min
p=90e6 // power to turbine in wattsr
g=9.8
w=(2*N*%pi)/60
mprintf('\n Wt =%f rad/s',w)
wt=(w*(sqrt(p/10^3)))/((g*H)^(5/4))
mprintf('\n wt= %f',wt)
Ns=(N*sqrt(90*1000))/((H)^(5/4))// specific speed
mprintf('\n Ns = %f ',Ns)
n0=p/(9800*Q*H) // overall efficiency
mprintf('\n Over all efficiency n0= %f percentage',n0*100)
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