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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /530/CH3/EX3.10 | |
| 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 '530/CH3/EX3.10')
| -rwxr-xr-x | 530/CH3/EX3.10/example_3_10.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/530/CH3/EX3.10/example_3_10.sce b/530/CH3/EX3.10/example_3_10.sce new file mode 100755 index 000000000..011b264cf --- /dev/null +++ b/530/CH3/EX3.10/example_3_10.sce @@ -0,0 +1,24 @@ +clear;
+clc;
+
+// A Textbook on HEAT TRANSFER by S P SUKHATME
+// Chapter 3
+// Thermal Radiation
+
+// Example 3.10
+// Page 138
+printf("Example 3.10, Page 138 \n\n")
+
+sigma = 5.670*10^-8 ;
+T1 = 473 ; // [K]
+T2 = 373 ; // [K]
+A1 = 1*2 ; // area, [m^2]
+X = 0.25;
+Y = 0.5 ;
+// From eqn 3.7.4
+F12 = (2/(%pi*X*Y))*[log((((1+X^2)*(1+Y^2))/(1+X^2+Y^2))^(1/2)) + Y*((1+X^2)^(1/2))*atan(Y/((1+X^2)^(1/2))) + X*((1+Y^2)^(1/2))*atan(X/((1+Y^2)^(1/2))) - Y*atan(Y) - X*atan(X) ];
+
+
+q1 = sigma*A1*(T1^4-T2^4)*[(1-F12^2)/(2-2*F12)];
+
+printf("Net radiative heat transfer from the surface = %f W \n",q1);
\ No newline at end of file |