Concept explainers
(a)
Interpretation:
The dynamic model of the given process is to be developed.
Concept introduction:
For chemical processes, dynamic models consisting ordinary differential equations are derived through unsteady-state conservation laws. These laws generally include mass and energy balances.
The process models generally include algebraic relationships which commence from
In steady-state process, the accumulation in the process is taken as zero.
(b)
Interpretation:
The degree of freedom analysis for the given process is to be done and all the parameters, input, output, and disturbance variables are to be identified.
Concept introduction:
For chemical processes, dynamic models consisting ordinary differential equations are derived through unsteady-state conservation laws. These laws generally include mass and energy balances.
The process models generally include algebraic relationships which commence from thermodynamics, transport phenomena, chemical kinetics, and physical properties of the processes.
Degree of freedom analysis of a process model ensures that its model equations are solvable. The expression to calculate the degree of freedom is:
Here,
(c)
Interpretation:
Any modification in the dynamic model of the given process to account for the presence of exothermic reaction occurring in compartment 2 is to be explained.
Concept introduction:
For chemical processes, dynamic models consisting ordinary differential equations are derived through unsteady-state conservation laws. These laws generally include mass and energy balances.
The process models generally include algebraic relationships which commence from thermodynamics, transport phenomena, chemical kinetics, and physical properties of the processes.
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Chapter 2 Solutions
Process Dynamics and Control, 4e
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