A long wire of diameter D1 mm is submerged in anoil bath
Chapter 5, Problem 5.29(choose chapter or problem)
A long wire of diameter D?1 mm is submerged in anoil bath of temperature T??25C. The wire has anelectrical resistance per unit length of R?e?0.01?/m.If a current of I?100 A flows through the wire and theconvection coefficient is h?500 W/m2?K, what is thesteady-state temperature of the wire? From the timethe current is applied, how long does it take for the wireto reach a temperature that is within 1C of the steady-state value? The properties of the wire are ??8000 kg/m3, c?500 J/kg?K, and k?20 W/m?K
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