Engineering, 12.03.2020 21:54 xxaurorabluexx
Long carbon steel shafts (k = 51.2 W/mºC, = 1.21 10-5 m2 /s) of 0.1 m diameter are treated in a gas-fired furnace whose gases are at 927 ºC and provide a convection coefficient of 100 W/m2 ºC. The shafts enter the furnace at 27 ºC. Disregard radiation heat transfer. Determine the time (s) the shafts must remain in the furnace to achieve a centerline temperature of 527 ºC.
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Long carbon steel shafts (k = 51.2 W/mºC, = 1.21 10-5 m2 /s) of 0.1 m diameter are treated in a...
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