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 /213/CH11/EX11.21 | |
| 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 '213/CH11/EX11.21')
| -rwxr-xr-x | 213/CH11/EX11.21/11_21.sce | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/213/CH11/EX11.21/11_21.sce b/213/CH11/EX11.21/11_21.sce new file mode 100755 index 000000000..d9b98a7fa --- /dev/null +++ b/213/CH11/EX11.21/11_21.sce @@ -0,0 +1,31 @@ +//To find speed of pulley
+clc
+//Given:
+d=3.6 //m
+n=15 //Number of grooves
+funcprot(0)
+beta=45/2 //degrees
+theta=170*%pi/180 //radians
+mu=0.28
+T=960 //N
+m=1.5 //kg/m
+//Solution:
+//Speed of the pulley:
+//Calculating the velocity of the rope
+v=sqrt(T/(3*m)) //m/s
+//Calculating the speed of the pulley
+N=v*60/(%pi*d) //rpm
+//Power transmitted
+//Calculating the centrifugal tension for maximum power
+TC=T/3 //N
+//Calculating the tension in the tight side of the rope
+T1=T-TC //N
+//Calculating the tension in the slack side of the rope
+T2=T1/exp(mu*theta*(1/sind(beta))) //N
+//Calculating the power transmitted per rope
+P1=(T1-T2)*v/1000 //Power transmitted per rope, kW
+//Calculating the total power transmitted
+P=P1*n //Total power transmitted, kW
+//Results:
+printf("\n\n Speed of the pulley for maximum power, N = %.1f rpm.\n\n",N)
+printf(" Power transmitted = %.2f kW.\n\n",P)
\ No newline at end of file |