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authorpriyanka2015-06-24 15:03:17 +0530
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+clear;
+clc;
+
+// A Textbook on HEAT TRANSFER by S P SUKHATME
+// Chapter 3
+// Thermal Radiation
+
+// Example 3.9
+// Page 136
+printf("Example 3.9, Page 136 \n\n")
+
+// This is a theoretical problem, does not involve any numerical computation
+printf("This is a theoretical problem, does not involve any numerical computation \n");
+// Denoting area of conical surface by A1
+// Considering an imaginary flat surface A2 closing the conical cavity
+
+F22 = 0 ; // Flat surface
+
+// from eqn 3.7.2 , we have F11 + F12 = 1 and F22 + F21 = 1
+F21 = 1 - F22 ;
+
+// F12 = A2/A1*F21 ;
+// F11 = 1 - F12 ;
+// F11 = 1 - sin(a)