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+clear;

+clc;

+

+//Example2.17[Centerline Temperature of a Resistance Heater]

+//Given:-

+k=15;//Thermal conductivity of heater wire[W/m.K]

+E_gen=2000;//Total heat generation[W]

+l=0.5;//Length of resistance heater wire[m]

+D=0.004;//Diameter of wire[m]

+Ts=105;//Outer sorface Temperarure[degree Celcius]

+//Solution:-

+V_wire=%pi*(D^2)*l/4;//Volume of wire[m^3]

+e_gen=E_gen/V_wire;//[W/m^3]

+disp("W/m^3",e_gen,"The heat generation per unit volume of the wire is")

+Tc=Ts+(e_gen*(D^2)/(4*4*k));//[degree Celcius]

+disp("degree Celcius",round(Tc),"The center temperature of the wire is ")