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| author | priyanka | 2015-06-24 15:03:17 +0530 |
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| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1910/CH2/EX2.11 | |
| 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 '1910/CH2/EX2.11')
| -rwxr-xr-x | 1910/CH2/EX2.11/Chapter211.sce | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/1910/CH2/EX2.11/Chapter211.sce b/1910/CH2/EX2.11/Chapter211.sce new file mode 100755 index 000000000..15c5f01e0 --- /dev/null +++ b/1910/CH2/EX2.11/Chapter211.sce @@ -0,0 +1,37 @@ +// Display mode
+mode(0);
+// Display warning for floating point exception
+ieee(1);
+clear;
+clc;
+disp("Introduction to heat transfer by S.K.Som, Chapter 2, Example 11")
+//An electrical resistance wire 2.5mm or 2.5*10^-3m in diameter(D) and L=0.5m long has a measured voltage drop of E=25V for a current flow of I=40A.
+D=2.5*10^-3;
+I=40;
+E=25;
+L=0.5;
+ro=D/2;//ro is radius of wire
+//The thermal conductivity(k) of wire material is 24W/(m*K)
+k=24;
+//The rate of generation of thermal energy per unit volume is given by qG=(E*I)/(L*%pi*D^2/4)
+disp("The rate of heat generation of thermal energy in W/m^3 is")
+qG=(E*I)/(L*%pi*D^2/4)
+//The temprature at the centre is given by To=Tw+((qG*ro^2)/(4*k)) where Tw=650K is surface temprature
+Tw=650;
+disp("The temprature of wire at the centre in K is ")
+To=Tw+((qG*ro^2)/(4*k))//Note:The answer in the book is incorrect(value of D has been put instead of ro)
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