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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3814/CH7/EX7.4 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3814/CH7/EX7.4')
| -rw-r--r-- | 3814/CH7/EX7.4/Ex7_4.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3814/CH7/EX7.4/Ex7_4.sce b/3814/CH7/EX7.4/Ex7_4.sce new file mode 100644 index 000000000..90bd4878e --- /dev/null +++ b/3814/CH7/EX7.4/Ex7_4.sce @@ -0,0 +1,23 @@ +//determine the mean speed of turbine
+// ex 7.4 pgno.174
+clc
+p=60e6 // power
+h=40// meter
+no=0.85 // overall efficiency
+x=0.5 // flow ratio
+g=9.8
+Ku=1.6 // speed ratio
+Q=p/(9800*no*h) // flow in kaplan turbine
+mprintf('\n Q = %d m3/s',Q)
+Vf=x*sqrt(2*g*h) // velocity of flow
+mprintf('\n Vf = %d m/s',Vf)
+d1=(%pi*(1-(0.35^2)))/4
+d=d1*Vf // diameter
+df=sqrt(180/d)
+mprintf('\n D1 = %f m',df)
+dh=0.35*df
+mprintf('\n Dh = %f m',dh)
+D=(dh+df)/2 // mean diameter
+mprintf('\n mean diameter D= %f m',D)
+N=(Ku*sqrt(2*g*h)*60)/(%pi*D) //rotational speed
+mprintf('\n N = %f rev/min',N)
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