Long aluminum wires of diameter 5 mm (r 5 2702 kg/m3 and
Chapter 5, Problem 5158(choose chapter or problem)
Long aluminum wires of diameter 5 mm (r 5 2702 kg/m3 and cp 5 0.896 kJ/kg8C) are extruded at a temperature of 3508C and are cooled to 508C in atmospheric air at 258C. 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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