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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 /3760/CH4/EX4.73/Ex4_73.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 '3760/CH4/EX4.73/Ex4_73.sce')
| -rw-r--r-- | 3760/CH4/EX4.73/Ex4_73.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3760/CH4/EX4.73/Ex4_73.sce b/3760/CH4/EX4.73/Ex4_73.sce new file mode 100644 index 000000000..452c2217f --- /dev/null +++ b/3760/CH4/EX4.73/Ex4_73.sce @@ -0,0 +1,17 @@ +clc;
+// shaft power is given little bit more than actual value in question
+w1=25;
+w2=9; // spring balance readings in kg
+d=19.5*10^-2; // outside pulley diameter
+t=0.5*10^-2; // belt thickness
+g=9.81; // acceleration due to gravity
+n=1500; // motor speed
+v=230; // applied voltage
+il=12.5; // line current
+Ts=(w1-w2)*((d/2)+(t/2))*g;
+printf('Shaft torque is %f Nm\n',Ts);
+psh=(2*%pi*n*Ts)/60;
+printf('Shaft power is %f W\n',psh);
+pi=v*il; // motor input
+nm=(psh/pi)*100;
+printf('Motor efficiency at rated load is %f percent',nm);
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