Chemical Engineering Hand Written_Notes_Part_69

Chemical Engineering Hand Written_Notes_Part_69 - 140 4...

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140 4. ODE-IVPS AND RELATED NUMERICAL SCHEMES Table 1. Parameters and Steady State Operating Conditions of CSTR Parameter ( )OperatingPoint( ) Stable Unstable Reaction rate constant ( k 0 ) min 1 10 10 10 10 Inlet concentration of A( C A 0 ) kmol/m 3 2.0 2.0 Steady state f ow rate of A ( F ) m 3 /min 1.0 1.0 Density of the reagent A( ρ ) g/m 3 10 6 10 6 Speci F cheatcapac ityo fA( C p ) cal/g 0 C 1.0 1.0 Heat of reaction( H r ) cal/kmol 130 10 6 130 10 6 Density of the coolant ( ρ c ) g/m 3 10 6 10 6 Speci F c heat capacity of coolant( C pc ) cal/g 0 C 1.0 1.0 Volume of the CSTR ( V ) m 3 1.0 1.0 Coolant f ow rate ( F c ) m 3 /min 15 15 Inlet temperature of the coolant ( T cin ) 0 K 365 365 Inlet temperature of A( T 0 ) 0 K 323 343 Reactor temperature( T ) K 393.954 349.88 Reactor concentration of A ( C A ) kmol/m 3 0.265 1.372 a 1 . 678 X 10 6 0 . 516 X 10 6 Reaction Rate Parameter( E/R ) ( 0 K ) 1 8330 8330 b 0.5 0.5 This system exhibits entirely di f erent dynamic characteristics for di f erent set of parameter values (Marlin, 1995). The nominal parameter values and nomi-
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This note was uploaded on 11/26/2011 for the course EGN 3840 taught by Professor Mr.shaw during the Fall '11 term at FSU.

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Chemical Engineering Hand Written_Notes_Part_69 - 140 4...

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