heat transfer A constantan wire of 1mm diameter originally at 25?C is suddenly exposed to air at 250?C. If the convection heat transfer is 3W/m2K, determine the time required for the wire to reach a temperature of 225?C using lumped parameter analysis. (k=22.7W/mK,?=0.61210?5m2/s) 7 solutionspile.com

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heat transfer   A constantan wire of 1mm diameter originally at 25?C is suddenly exposed to air at 250?C. If the convection heat transfer is 3W/m2K, determine the time required for the wire to reach a temperature of 225?C using lumped parameter analysis. (k=22.7W/mK,?=0.61210?5m2/s) 7 solutionspile.com

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