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+clc;
+clear;
+//Example 3.12
+v=18.23*10^-6 //sq m/s
+k=0.02814 //[W/m.K]
+D=0.012 //[m]
+r=0.006 //[m]
+u_inf=4 //[m/s]
+Nre=D*u_inf/v //Reynold's number
+Nnu=0.37*Nre^(0.6);
+h=Nnu*(k/D)
+A=4*%pi*r^2 //Area of sphere in [sq m]
+Tw=350 //[K]
+T_inf=300 //[K]
+Q=h*A*(Tw-T_inf) //Heat lost by sphere in [W]
+printf("\n Heat lost by sphere is %f W",Q); \ No newline at end of file