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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/EX7.5/Ex7_5.sce | |
| 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/EX7.5/Ex7_5.sce')
| -rw-r--r-- | 3814/CH7/EX7.5/Ex7_5.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3814/CH7/EX7.5/Ex7_5.sce b/3814/CH7/EX7.5/Ex7_5.sce new file mode 100644 index 000000000..fc11e5109 --- /dev/null +++ b/3814/CH7/EX7.5/Ex7_5.sce @@ -0,0 +1,26 @@ +// determine blade inlet angle and eulers head
+// ex 7.5 pgno.175
+clc
+h=35 //meter
+D=2 //m
+N=145 //rev/min
+alpa1=30// degree
+g=9.8 //
+b1=28// degree
+H=32.6// 0.93*35 head
+V1=sqrt(2*g*H) // inlet velocity
+mprintf('\n inlet velocity V1 = %f m/s',V1)
+u=(%pi*D*N)/60 //
+mprintf('\n u = %f m/s',u)
+Vr1=sqrt(V1^2+u^2-(2*u*V1*cosd(alpa1))) // inlet triangle of velocity
+mprintf('\n Vr1 = %f m/s',Vr1)
+v=(-u^2+Vr1^2+V1^2)
+v1=2*Vr1*V1
+V=v/v1
+s=acosd(V)
+B1=(180-s) // Beta
+mprintf('\n Beta B1 = %f degree',B1)
+Vlw=V1*cosd(alpa1)
+mprintf('\n Vlw =% f m/s',Vlw)
+E=(u*Vlw)/g // eulers head
+mprintf('\n E =%f m',E)
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