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+clear;
+clc;
+
+//Example3.14[Heat Transfer between Hot and Cold Water pipes]
+//Given:-
+T_hot=70;//Surface Temperature of hot pipe[degree Celcius]
+T_cold=15;//Surface Temperature of cold pipe[degree Celcius]
+L=5;//Length of both pipes[m]
+D=0.05;//Diameter of both the pipes[m]
+z=0.3;//Distance between centreline of both the pipes[m]
+k=0.75;//Thermal Conductivity of the concerte[W/m.degree Celcius]
+//Solution:-
+//Calculating Shape Factor
+S=(2*%pi*L)/(acosh(((4*(z^2))-(D^2)-(D^2))/(2*D*D)));//[m]
+disp("m",S,"Shave factor for given configuration is")
+Q_=S*k*(T_hot-T_cold);//[W]
+disp("W",Q_,"The steady rate of heat transfer between the pipes becomes")