This preview shows pages 1–6. Sign up to view the full content.
Lecture 21 Tuesday
3/25/08
CSTR With Heat Effects
Multiple Steady States
.
Ignition and Extiction Temperatures
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document CSTR with Heat Effects
Energy Balance for CSTRs
Equation (89)
(page 476)
Energy Balance for CSTRs
Equation (89)
(page 476)
Using
We obtain after some manipulation
(page 593)
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document (page 593)
Collecting terms w
ith
Ý
Q
=
UAT
a

T
( 29
and high coolant flow
rates,
Ý
W
S
=
0 (except in Problem
P85
B
)
and
F
i
0
=
F
A
0
Θ
i
dT
dt
=
∆
H
Rx
(
29
r
A
V
(
29

F
A
0
∑Θ
i
C
P
i
C
P
0
6
7
4
8
4
T

T
0
(
29
+
UA T

T
a
(
29
(
29
∑
N
i
C
P
i
=
F
A
0
∑
N
i
C
P
i
∆
H
R
r
A
V
F
A
0
G T
( 29
6
7
4
8
4

C
P
0
T

T
0
+
UA
F
A
0
C
P
S
κ
1
2
4
3
4
T

T
a
(
29
R T
( 29
6
7
4
4
4
4
4
8
4
4
4
4
4
dT
dt
=
F
A
0
∑
N
i
C
P
i
G T
( 29

R T
( 29
[ ]
G T
( 29
=
r
A
V
( 29
∆
H
Rx
[ ]
RT
( 29
=
C
P
S
1
+
( 29
T

T
0
+
T
a
( 29
[ ]
At Steady State
dT
dt
=
dN
A
=
0

r
A
V
=
F
A
0
X
GT
( 29

RT
( 29
=
0
∆
H
Rx
( 29
F
A
0
X

F
A
0
∑Θ
i
C
P
i
T

T
0
( 29

UAT

T
a
( 29
=
0
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview. Sign up
to
access the rest of the document.
This note was uploaded on 09/28/2011 for the course CHEMICAL E 534 taught by Professor Fogler during the Spring '11 term at University of MichiganDearborn.
 Spring '11
 Fogler

Click to edit the document details