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+clear;
+clc;
+
+//Example2.8[Convection and Insulation Boundary Conditions]
+//Given:-
+T_steam=200;//Temperature of steam[degree Celcius]
+r_in=0.08;//Inner radii of pipe[m]
+r_out=0.085;//Outer radii of pipe[m]
+h=65;//convection heat transfer coefficient on the inner surface of the pipe[W/m^2.K]
+//Heat transfer through the pipe material predominantly is in the radial direction and thus can be approximated as being one-dimensional
+disp("Taling the direction of heat transfer to be the positive r direction, the boundary condition on that surface can be expressed as")
+disp("-k(dT(r_in,t)/dr)=h(T_steam-T(r1))")
+//The pipe is said to be well insulated on the outside, and thus heat loss through the outer surface of the pipe can be assumed to be negligible.
+disp("Then the boundary at the outer surface can be expressed as")
+disp("dT(r_out,t)/dr=0")
+\ No newline at end of file