(a)
Interpretation:
The schematic diagram of the given process is to be prepared and dynamic model of the given process for the level of tank is to be describe. Also, the corresponding steady-state model is to be defined.
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 value of the valve constant at steady-state conditions is to be calculated.
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.
(c)
Interpretation:
The mathematical relation used in the feed forward controller is to be derived. Also, the conclusion about the resulting level control is to be discussed.
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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Process Dynamics and Control, 4e
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