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+clear;
+clc;
+printf('FUNDAMENTALS OF HEAT AND MASS TRANSFER \n Incropera / Dewitt / Bergman / Lavine \n EXAMPLE 5.6 Page 288 \n'); //Example 5.6
+// Burial Depth
+
+//Operating Conditions
+
+k = .52; //[W/m.K] Thermal Conductivity
+rho = 2050; //[kg/m^3] Density
+c = 1840; //[J/kg.K] Specific Heat
+Ti = 20+273; //[K] Initial Temp
+Ts = -15+273; //[K] Temp of surrounding
+T = 0+273; //[K] Temp at depth xm after 60 days
+t = 60*24*3600; //[sec] time perod
+
+alpha = k/(rho*c); //[m^2/s]
+//Using eqn 5.57
+xm = erfinv((T-Ts)/(Ti-Ts))*2*(alpha*t)^.5;
+
+printf("\n Depth at which after 60 days soil freeze = %.2f m",xm);
+
+//END \ No newline at end of file