

For the tank system given below, the variables are defined in the usual way. a. For...
Question 1 (10 marks) Liquid flows into a tank and is heated by steam delivered to a jacket on the tank (Figure 1). The heated liquid then flows out of the tank through a drain valve. The temperature of the heated liquid is maintained by a closed loop feedback temperature control system. The temperature of the heated liquid is measured by an RTD temperature transmitter which feeds a signal back toa controller mounted in a control room. The output from...
Question 1 (10 marks) Liquid flows into a tank and is heated by steam delivered to a jacket on the tank (Figure 1). The heated liquid then flows out of the tank through a drain valve. The temperature of the heated liquid is maintained by a closed loop feedback temperature control system. The temperature of the heated liquid is measured by an RTD temperature transmitter which feeds a signal back toa controller mounted in a control room. The output from...
Problem 1: Consider the control systems below and answer the questions listed: I. Manually Controlled Tank Level System A. Identify the following parameters: 1. Setpoint or reference point: 2. Controlled variable, c Manipulated variable, u Measured representation of the controlled variable, b 3. 4. 5. Error, e 6. Input signal to the control element, p Identify the following elements in the control B. system 1. Error detector 2. Controller 3. Control element 4. Process S. Measurement Element C. Draw a...
Consider the liquid level control system given in the figure. The values with overbar denote steady state values. Draw a block diagram of the system assuming that the changes in the variables are small. Then derive the transfer function between the level of second tank h2 and the disturbance input qd 5. x(t) Lever Valve: q.-Kx Tank 1 O+q oa Tank 2
Consider the liquid level control system given in the figure. The values with overbar denote steady state values....
QUESTION 2 The system shown below is a fermentation tank. In this, water (with dissolved glucose) enters the tank with a flow rate of q: [L/min) and a glucose concentration of c [mol/L). During reaction, glucose is converted at a rate of n = -VKc (where n is the moles of glucose converted per minute [mol/min), V is the volume of fluid in the tank (L'), and K is the reaction rate). The tank has a cross-sectional area of A....
A stirred tank flow reactor is operating in continuous mode
(shown below), and an exothermic (heat generating) chemical
reaction is taking place inside the reactor. The control objective
is to maintain the concentration of product at a desired value (set
point). The conversion of chemical reaction is highly dependent on
the reaction temperature. To maintain the reaction temperature at
the desired value, a cooling water jacket is used for the reactor.
The major input disturbance is fluctuation in the temperature...
Ql. For the manufacturing plant below, we wish to control level (L), temperature (T) and flow rate (Q) of plant and maintain them equal to respective desired set points L. Tp and Que a) Identify the appropriate manipulate variable for each control loop b) Draw the P & ID diagram of system showing all control loops. Be sure to include all components of each loop. c) Explain how each control loop works to reject disturbances and keep the process operating...
Question A1 A single tank process has first order dynamics. When the inlet flow rate is chosen as the input and the level as the output, the transfer function is as follows. 5 G(s) - H(s) 2. (S) S +1 91(t) h(t) *7 q:(0) q2(t) Fig. Q.Al schematic of the liquid level process (a) Determine the system constant t and steady state gain K. [6 marks] (b) For a unit step input q, (t) = 1(1), determine the time response...
A stirred-tank heating system is shown below. Briefly critique these two control strategies [mark 25 1. It is proposed that h and T be controlled by manipulating a) Suppose that two controllers are to be used, with h controlled by manipulating wh and T controlled b) by manipulating using two controllers Wh and we W. Th w T
A stirred-tank heating system is shown below. Briefly critique these two control strategies [mark 25 1. It is proposed that h and...
Question 1 Consider a continuous stirred tank reactor system as shown below: Reactant CA F T Coolant Fo Tco Coolant Product Fo Tdi CA FT CSTR with cooling jacket A simple exothermic reaction A B takes place in the reactor. The reactor is cooled by a coolant that flows through the jacket around the reactor. The operational objectives of the system are: - to maintain the effluent concentration at the desired value, CAs to maintain the effluent temperature at the...