diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1943/CH7/EX7.11/Ex7_11.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1943/CH7/EX7.11/Ex7_11.sce')
| -rwxr-xr-x | 1943/CH7/EX7.11/Ex7_11.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/1943/CH7/EX7.11/Ex7_11.sce b/1943/CH7/EX7.11/Ex7_11.sce new file mode 100755 index 000000000..3570c3fdc --- /dev/null +++ b/1943/CH7/EX7.11/Ex7_11.sce @@ -0,0 +1,23 @@ + +clc
+clear
+//Input data
+d=800//Diameter in mm
+N=3000//Speed in rpm
+V1=300//Velocity in m/s
+a=20//Nozzle angle in degrees
+f=0.86//Frictional factor
+T=140//Axial thrust in N
+
+//Calculations
+Vb=((3.14*(d/1000)*N)/60)//Velocity in m/s
+b1=atand((V1*sind(a))/((V1*cosd(a))-Vb))//Blade angle in degrees
+b2=b1//Blade angle in degrees
+Vr1=(V1*sind(a))/sind(b1)//Velocity in m/s
+Vr2=f*Vr1//Velocity in m/s
+w=(T/((Vr1*sind(b1))-(Vr2*sind(b2))))//Mass flow rate in kg/s
+dVw=(Vr2*cosd(b2))+(Vr1*cosd(b1))//Velocity in m/s
+P=(w*dVw*Vb*10^-3)//Power developed in kW
+
+//Output
+printf('Power deveoped in the blading is %3.2f kW',P)
|