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Unformatted text preview: What is the controlling resistance that determines the amount of heat flow through the wall? Page 1 of 1 Problem 2: A thin metallic wire of thermal conductivity k , diameter D , and length 2L is annealed by passing an electrical current through the wire to induce a uniform volumetric heat generation E g . The ambient air around the wire is at a temperature T , while the ends of the wire at x=+-L are also maintained at T . Heat transfer from the wire to the air is characterized by the convection coefficient h . Obtain an expression for the steady-state temperature distribution T(x) along the wire. Page 2 of 2...
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- Fall '02