diff options
Diffstat (limited to '3814/CH7/EX7.6')
| -rw-r--r-- | 3814/CH7/EX7.6/Ex7_6.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3814/CH7/EX7.6/Ex7_6.sce b/3814/CH7/EX7.6/Ex7_6.sce new file mode 100644 index 000000000..af44e2738 --- /dev/null +++ b/3814/CH7/EX7.6/Ex7_6.sce @@ -0,0 +1,17 @@ +// design of bersia power station
+// ex 7.6 pgno.178
+clc
+p=24.7e6// power watt
+h=26.5 //m
+N=187.5 // rev/min
+Q=104 //m3/s
+w=(2*N*%pi)/60
+g=9.8
+mprintf('\n w= %f rad/s',w)
+wt=(w*sqrt(p/10^3))/(g*h)^(5/4)
+mprintf('\n wt =%f',wt)
+Ns=(N*sqrt(p/10^3))/(h^(5/4)) // speed
+mprintf('\n Ns =%f',Ns)
+n0=p/(9800*Q*h) // overall efficiency
+mprintf('\n Overall efficiency n0= %f percentage',n0*100)
+mprintf('\n Based on specific speed values obtained kaplan turbine is selected with an overall efficiency of %f percentage',n0*100)
|