Chemical Engineering Hand Written_Notes_Part_6

Chemical Engineering Hand Written_Notes_Part_6 - 14 1....

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14 1. MATHEMATICAL MODELING AND SIMULATION Figure 7. System response to step change in T i Figure 8. System reponse for step change in F i solution of the equation (2.39) using the initial as condition T (0) = T , the steady state value of T . F i is decreased by 10% from its steady state value F i : Since F i appears in both the dynamic equations, the temperature and the liquid level will start changing simultaneously and the dynamics will be governed by simultaneous solution of coupled nonlinear di f erential equations (2.39- 2.40) starting with initial conditions T (0) = T,h (0) = h. Figures 8 show schematic diagrams of the process responses for step change in F i . It is also possible to investigate response of the system for more complex inputs, such as T i ( t )= T i + T i sin( ωt ) where above function captures daily variation of cooling water inlet tempera- ture .Ineachcase ,thetrans ientbehav ior T ( t ) and h ( t
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2. MECHANISTIC MODELS AND ABSTRACT EQUATION FORMS
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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_6 - 14 1....

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