Elementary Principles Of Chemical Processes
4th Edition
ISBN: 9781119254003
Author: Richard M. Felder And Ronald W. Rousseau
Publisher: WILEY
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Question
Chapter 7, Problem 7.31P
Interpretation Introduction
(a)
Interpretation:
Generate a table of
Concept introduction:
The specific enthalpy can be calculated using the equation.
Where Q = heat added and m = mass flow rate of liquid
Interpretation Introduction
(b)
Interpretation:
Fit a line using the data in part (a).
Concept introduction:
The specific enthalpy can be calculated using the equation.
Where Q = heat added and m = mass flow rate of liquid
Interpretation Introduction
(c)
Interpretation:
Estimate the heat input required to raise the temperature and explain the accuracy of the answer.
Concept introduction:
The specific enthalpy can be calculated using the equation.
Where Q = heat added and m = mass flow rate of liquid
Interpretation Introduction
(d)
Interpretation:
Explain what happens to additional energy.
Concept introduction:
The specific enthalpy can be calculated using the equation.
Where Q = heat added and m = mass flow rate of liquid
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9.4. A PID temperature controller is at steady state with an output pressure of 9 psig. The set
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If the current settings are
PART 3 LINEAR CLOSED-LOOP SYSTEMS
Ke
=
2 psig/°F
Ti =
1.25 min
TD = 0.4 min
plot the output pressure versus time.
9.6. A PI controller has the transfer function
Determine the values of K, and T.
5s + 10
Ge
S
9.5. The input & to a PI controller is shown in Fig. P9-5. Plot the output of the controller if
Ke 2 and 0.50 min.
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E
0.5
0
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0
FIGURE P9-5
2
4
t, min
Chapter 7 Solutions
Elementary Principles Of Chemical Processes
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