If it suddenly exposed to a convection environment at 50 c

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A long aluminum bar has a diameter of 11 cm and is initially uniform in temperature at 300 C. If it suddenly exposed to a convection environment at 50 C with h = 1200 W/m2 K, how long does it take for the center temperature to cool to 80 C? Also calculate the heat loss per unit length.

Reference no: EM13610352

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