Long aluminum wires of diameter 3 mm (r = 2702 kg/m3 and cp = 0.896 kJ/kg ?c °C) are extruded at a temperature of 350°C and are cooled to 50°C in atmospheric air at 30°C. If the wire is extruded at a velocity of 10 m/min, determine the rate of heat transfer from the wire to the extrusion room.
