ADVANCED THERMODYNAMICS ENGINEERING phần 4 potx
ADVANCED THERMODYNAMICS ENGINEERING phần 4 potx
... (0.83 14 × 298/0.79)
= 6190–298 × 193.5 + 100 × 31 .4 = 48 ,333 kJ kmole
–1
.
Therefore,
φ
∞
= 0.6 × ( 46 981) + 0 .4 × ( 48 333) = 47 521.8 kJ kmole
–1
, and
w
ch
= –5 247 3.8 – ( 47 521.8) = 49 52 ... = 48 5.8 kJ kg
–1
.
Therefore,
˙
W
cv,opt
= 10 43 0.2 + 0.89×28.6 – (10×335.3 + 0.89 48 5.8) = 544 kW, and
I=
˙
W
cv,opt
–
˙
W
= 544 – 0 = 544 kW.
Remarks
Hot combustion products en...
ADVANCED THERMODYNAMICS ENGINEERING phần 5 potx
... with w RK SRK VW
a´ 0 .42 1875 0 .42 1875 0 .45 7 24 0 .45 72 0 .42 748 0 .42 748 0 .42 1875
b´ 0.125 -0.02 0.0778 0.0778 0.086 64 0.086 64 0.125
c´ 0 0. 145 0.187826 0.187826 0.086 64 0.086 64 0
d´ 0 0.375 -0.03223 ... 8.3 14 ln(1–(0.0211÷0. 245 ) –
(0.5× 142 . 64 100÷(0.0211×873
1.5
)) ln(1+(0.0211/0. 245 ))
= –1.826 kJ kmole
–1
K
–1
.
Then using Eq. (57),
s
(T,P)–
s
o
(T,P) = s(T,v)...
ADVANCED THERMODYNAMICS ENGINEERING phần 1 ppt
... m
–2
kPa lb
f
in
–2
0. 145 0
PE potential energy kJ BTU 0. 947 8
pe specific potential energy
Q heat transfer kJ BTU 0. 947 8
q heat transfer per unit mass kJ kg
–1
BTU lb
–1
0 .42 99
q
c
charge
R gas ... energy kJ BTU 0. 947 8
u specific internal energy kJ kg
–1
BTU lb
–1
0 .42 99
u
internal energy (mole basis) kJ kmole
–1
BTU lbmole
–1
0 .42 99
V volume m
3
ft
3
35.315
V volume m
3
gallon...
ADVANCED THERMODYNAMICS ENGINEERING phần 2 ppsx
... Shrinking of a balloon.
δW
f
= P
e
˙
m
e
v
e
δt – P
i
˙
m
i
v
i
δt. (45 )
Further, substituting Eqs. (42 ), and (45 ) in Eq. (41 ) and dividing throughout by δt
δQ/δt – δW
shaft
/δt + (P
i
˙
m
i
v
i
... chap-
ters.
F. APPENDIX
1. Air Composition
Species Mole % Mass %
Ar 0.9 34 1.288
CO
2
0.033 0.050
N
2
78.0 84 75.521
O
2
20. 946 23.139
Rare gases 0.003 0.002
Molecular Weight: 28.96 kg km...
ADVANCED THERMODYNAMICS ENGINEERING phần 3 pdf
... and
1. 046
1. 048
1.05
1.052
1.0 54
1.056
1.058
1.06
1.062
280 300 320 340 360 380 40 0 42 0 44 0 46 0
T
A
,
K
S
iso
, kJ/K
280
300
320
340
360
380
40 0
42 0
44 0
46 0
T, K
T
W
S
is
o
T
A
A
B
E
D
Figure 41 ... respectively,
s
CO
2
(1200K, 4. 4 bar) =
s
CO
2
0
(1200 K) –
R
ln (4. 4÷1)
= 2 34. 1 – 8.3 14 × ln (4. 4÷1) = 221.8 kJ kmole
–1
K
–1
, and,
s
CO
2
(1000K, 4 bar)...
ADVANCED THERMODYNAMICS ENGINEERING phần 6 ppt
... 86 .47 6 102.03 66.05 17.03 28.013 44 .01 120.92
P
c
(bar) 220.9 49 .775 40 .67 45 .20 112.8 33.9 73.9 41 .2
T
c
(K) 647 .3 369.15 3 74. 30 386 .44 40 5.5 126.2 3 04. 15 385.0
T
ref
(K) 273.16 233. 14 233. 14 ... 233. 14 233.15 64. 143 216.55 233.15
P
ref
(bar) 0.006113 1. 049 5 0.512615 .7177 .1253 5.178 . 641 7
h
ref
(kJ kg
–1
) 0.01 0.0 0.0 150.3 301 .45 0.0
u
ref
(kJ kg
–1...
ADVANCED THERMODYNAMICS ENGINEERING phần 7 ppt
... v,
(∂
3
P/∂v
3
= – 6RT
c
/(v
c
–b)
4
+ 24 a/v
c
5
= – 6RT
c
/((2/3)v
c
)
4
+ 24( 9/8)(RT
c
v
c
)/v
c
5
= – ( 243 /8) RT
c
/v
c
4
+ 27 RT
c
/v
c
4 =
– (27/8) RT
c
/v
c
4
) < 0. (39)
This stability ... D in the figure, and the extensive
146
146 .5
147
147 .5
148
148 .5
149
149 .5
150
150.5
151
0. 04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0. 14 0.15 0.16 0.17...
ADVANCED THERMODYNAMICS ENGINEERING phần 8 doc
... –126 148 kJ kmole
–1
of C
4
H
10
, and
H
P
= 4 (–393,520 + 33 ,42 5) + 5×(– 241 ,827 + 25,978) + 3.25×(22,707) +
36.66×(21 ,46 0) = -1,659,1 04 i.e.,
q
= H
P
– H
R
= –1533 044 kJ kmole
–1
of C
4
H
10
.
Likewise, ...
K
–1
.
ν
k
h
X
k
p
k
=X
k
P
ˆ
s
s
k
o
(
h
–
T
o
ˆ
s
)
k
Reactants
C
4
H
10
1 –126 148 0.021 0.0527 310.2 3 34. 7 –225887
O
2
9.75 0 0.2057 0.5 141 205.1 210.7 –627...
ADVANCED THERMODYNAMICS ENGINEERING phần 9 pdf
... 7.565 54 0.0 647 7
Naphthlene C
10
H
8
128.2 748 .4 40.5 0.267 0 .41 353.5 49 1.1 44 .7 337.8 1117.98 0.1331 40 .3289 0.192 04
Neon Ne 20.18 44 .4 27.6 0.312 0. 041 7 –0.029 24. 5 27.0 16.0 91.3 1 .41 0.0116 ... 50 .49 41 6.3 66.8 0.268 0.1389 0.153 175 .4 249 .3 129.7 42 6.8 156 .42 0. 044 9 7.565 54 0.0 647 7
Methylene chlo-
ride
CH
2
Cl
2
84. 93 41 6.3 66.8 0.372 0.193 0.192...
ADVANCED THERMODYNAMICS ENGINEERING phần 10 docx
... 4. 797 4. 781 4. 752 4. 693 4. 566 4. 432 4. 221
0.75 4. 655 4. 646 4. 632 4. 607 4. 5 54 4 .43 4 4. 303 4. 095
0.8 4. 4 94 4 .48 8 4. 478 4. 459 4. 413 4. 303 4. 178 3.9 74
0.85 4. 316 4. 316 4. 312 4. 302 4. 269 4. 173 4. 056 3.857
0.9 ... 5.135 4. 999 4. 791
0.55 5.252 5.239 5.22 5.187 5.121 4. 986 4. 849 4. 638
0.6 5.1 04 5.091 5.073 5. 041 4. 976 4....