Long aluminum wires of diameter 5 mm (Æ¿ = 2702 kg/m3 and cp = 0.896 kJ/kg·°C) are extruded at a temperature of 350°C and are cooled to 50°C in atmospheric air at 25°C. If the wire is extruded at a velocity of 8 m/min, determine the rate of heat transfer from the wire to the extrusion room.

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350PC Tair 25 C 8 m/min Aluminum wire FIGURE P5-158