1 files changed, 25 insertions, 0 deletions
diff --git a/3731/CH10/EX10.2/Ex10_2.sce b/3731/CH10/EX10.2/Ex10_2.sce
new file mode 100644
index 000000000..4686669c2
--- /dev/null
+++ b/3731/CH10/EX10.2/Ex10_2.sce
@@ -0,0 +1,25 @@
+//Chapter 10:Traction Drives
+//Example 2
+clc;
+
+//Variable Initialization
+M=100      //mass of each motor armature in tonne
+Me=100
+Tm=5000    //torque of each motor in N-m
+Da=0.5     //average diameter of each motor in m
+m=450      //mass of each wheel in kg
+R=0.54     //radius of each wheel tread in m
+N=4        //number of DC motors 
+r=25       //train resistance N/tonne
+a=0.25     //gear ratio 
+nt=0.98    //gear transmission efficiency
+G=50       //up gradient
+Vm=100     //speed in kmph
+
+//Solution
+Ft=nt*Tm*N/a/R     //Tractive efforts required to move the train
+alpha=(Ft-(9.81*M*G+M*r))/(277.8*1.1*Me)  //accelaration in metre per second
+t=Vm/alpha         //time taken to attain speed of Vm in sec
+
+//Result
+mprintf("\n Time taken to reach a speed of 100kmph is : t=%.1f sec",t)