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Unformatted text preview: min 5 . m/min 10 m 5 velocity length time s 10092 . m) C)(0.0025 J/kg. 434 )( kg/m (7854 C . W/m 860 13 2 = = = = = = = = c p p s L C h V C hA b Then the temperature of the sheet metal when it leaves the oil bath is determined to be C 82.53 = = = ) ( 45 820 45 ) ( ) ( s) 30 )( s 10092 . (1 t T e t T e T T T t T bt i The mass flow rate of the sheet metal through the oil bath is kg/min 4 . 785 m/min) 10 ( m) 005 . ( m) 2 )( kg/m 7854 ( 3 = = = = wtV V m & & Then the rate of heat transfer from the sheet metal to the oil bath and thus the rate at which heat needs to be removed from the oil in order to keep its temperature constant at 45 C becomes kW 213.2 = J/min 10 279 . 1 C ) 45 53 . 82 )( C J/kg. 434 )( kg/min 4 . 785 ( ] ) ( [ 7 = = = T t T C m Q p & & 487...
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 Fall '10
 Dr.DanielArenas
 Thermodynamics, Mass, Heat

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