1 files changed, 20 insertions, 0 deletions
diff --git a/2975/CH23/EX23.9w/Ex23_9w.sce b/2975/CH23/EX23.9w/Ex23_9w.sce
new file mode 100644
index 000000000..a6951ff56
--- /dev/null
+++ b/2975/CH23/EX23.9w/Ex23_9w.sce
@@ -0,0 +1,20 @@
+//developed in windows 8 operating system 64bit
+//platform Scilab 5.4.1
+//example 23_9w
+
+clc;clear;
+//Given Data
+length_20=15;   //Diameter of iron ring at 20 degree centigrade (Unit: cm) 
+length_req=15.05;   //Diameter of iron ring at required temperature (Unit: cm)
+temp=20;    //Room Temperature (Unit: degree centigrade)
+alpha_iron=12*10^-6;    //Coefficient of linear expansion of iron (Unit : / degree centigrade)
+
+//Calculation
+
+change_temp=(length_req-length_20)/(length_20*alpha_iron);  //Calculating change in temperature required (Unit : Centigrade)
+new_temp=temp+change_temp;  //Calculating the temperature required (Unit : Centigrade)
+
+strain=(length_req-length_20)/length_20;    //Calculating Strain (Unit: unit less)
+
+disp(new_temp,"The minimum temperature of ring to be heated to is (Unit : Centigrade)");
+disp(strain,"The strain developed in the ring when it comes to the room temperature is (Unit : unit less)");