A triangular duct is shown in the figure. The base of the duct (surface 1) is maintained at a temperature of 600 K. The left panel (surface 2) is insulated and the right panel (surface 3) is heated and maintained at 1300 K. Find a) the radiosities of all surfaces, b) the required rate of heat transfer to surface 3 to maintain the steady state temperatures as specified, and c) the temperature of the insulated surface. ε

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Mechanisms of heat transfer

Heat transfer is an essential discipline in thermal engineering that deals with the transfer, conversion, usability, and creation of heat or thermal energy. Transfer of heat occurs through various mechanisms like conduction, convection, radiation, and change of phases. All these mechanisms have distinct characteristics, but these mechanisms can simultaneously occur in an identical system.