(a)
Interpretation:
The surge system that can handle the larger step disturbances in
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
For large value of time, the asymptotic value of
This theorem is applicable only if
(b)
Interpretation:
The system that provides best damping for a step disturbance in
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.
An influence on or within an oscillatory system which results in the reduction, restriction, or prevention of its oscillations is termed as damping. There are three types of damping in a control system, namely, underdamped system, critically damped system, and overdamped system.
(c)
Interpretation:
The results in part (a) and part (b) are to be verified using computer simulation.
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.
An influence on or within an oscillatory system which results in the reduction, restriction, or prevention of its oscillations is termed as damping. There are three types of damping in a control system, namely, underdamped system, critically damped system, and overdamped system.
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Chapter 5 Solutions
Process Dynamics and Control, 4e
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