ADVANCED THERMODYNAMICS ENGINEERING phần 3 pdf
ADVANCED THERMODYNAMICS ENGINEERING phần 3 pdf
... 0.4 ÷ 1.2 = 0 .33 3 m
3
, and the total volume
V = V
W
+ V
A
= 0.001 + 0 .33 3 = 0 .33 4 m
3
.
The volume of the coffee cup V
W
=0.001 m
3
, and it contains internal energy U
W
=
32 2.2 kJ. The ... i.e.,
s
(g,240 .3) = 83. 5 + 142.51 = 226.01 kJ kmole
–1
K
–1
(point G in Figure 33 ).
Therefore,
s
(g,240 .3) = 226 kJ kmole
–1
K
–1
, and
h(g, 240 .3) = 131 32 + 20.058 = 33 ,190...
ADVANCED THERMODYNAMICS ENGINEERING phần 9 pdf
... 39 4.2 919. 13 0.1612 37 .7 23 0. 232 53
Oxygen O
2
32 154.6 50.5 0.288 0.0 734 54.4 90.2 13. 9 2 13. 3 17 .39 0.0221 1 .38 017 0. 031 82
Ozone O
3
48 261 53. 7 0.220 0.0889 80.5 161 .3 232 .9 60.56 0. 035 0 3. 69922 ... 469.6 33 .7 0.262 0 .30 4 0.251 1 43. 4 30 9.0 11 63. 3 36 0.2 419. 03 0.1004 19.08 23 0.14482
Propane C
3
H
8
44.1 36 9.8 42.5 0.281 0.2 03 0.1 53 85.5 2...
ADVANCED THERMODYNAMICS ENGINEERING phần 1 ppt
... volume m
3
ft
3
35 .31 5
V volume m
3
gallon 264.2
V velocity m s
–1
ft s
–1
3. 281
v specific volume (mass basis) m
3
kg
–1
ft
3
lb
m
–1
16.018
v
specific volume (mole basis) m
3
kmole
–1
ft
3
lbmole
–1
16.018
W ... x
3
, i.e.,
Z = Z(x
1
,x
2
,x
3
). ( 23)
The total differential of Z is
dZ = ∂Z/∂x
1
dx
1
+ ∂Z/∂x
2
dx
2
+ (∂Z/∂x
3
) dx
3
. (24)
Since dZ is exact
∂Z...
ADVANCED THERMODYNAMICS ENGINEERING phần 2 ppsx
... chap-
ters.
F. APPENDIX
1. Air Composition
Species Mole % Mass %
Ar 0. 934 1.288
CO
2
0. 033 0.050
N
2
78.084 75.521
O
2
20.946 23. 139
Rare gases 0.0 03 0.002
Molecular Weight: 28.96 kg kmole
–1
.
2. Proof of ... Applying Eq. (12) for all processes, i.e., 1–2, 2 3,
3 4, , and 8–1,
δδQQ Q Q WW W W
∫∫
===+++
+++
12 23 81 12 23 81
L
L
,
so that
δW
∫
= 0 30 0 – 2000 + 0 + 0 –200 + 0 + 4000...
ADVANCED THERMODYNAMICS ENGINEERING phần 4 potx
... 1 93. 5 + 100 × 31 .4 = –48 ,33 3 kJ kmole
–1
.
Therefore,
φ
∞
= 0.6 × (–46981) + 0.4 × (–4 833 3) = –47521.8 kJ kmole
–1
, and
w
ch
= –524 73. 8 – (–47521.8) = –4952 kJ kmole
–1
.
w
u, max,
∞
= 33 ,221.6+ ... – 34 22 = 837 kJ kg
–1
.
The heat rejected in the condenser
q
23
– w
23
= h
3
– h
2
, i.e.,
q
23
= q
out
= 192 – 2585 = – 239 3 kJ kg
–1
.
Likewise, in the pump
q
34...
ADVANCED THERMODYNAMICS ENGINEERING phần 5 potx
... + 120) + 1 /3 = 0 .31 22 × cos ( 134 .29) + 0 .33 3
= –0.2180 + 0 .33 3 = 0.11 53.
Z
3
= 2α
0.5
cos(φ /3 + 240) + 1 /3 = 0 .31 22 × cos(254.29) + 0 .33 333
= –0.084 53 + 0 .33 33 = 0.2488
The spreadsheet software ... = 0. 732 9, i.e., φ = 42.87.
Z
1
= 2α
0.5
cos(φ /3) + 1 /3 = 2 × 0.02 437
0.5
cos(42.87 /3) + 1 /3
= 0 .31 22 × 0.9691 + 1 /3 = 0 .30 25 + 0 .33 3= 0. 635 9.
Z...
ADVANCED THERMODYNAMICS ENGINEERING phần 6 ppt
... 126.2 30 4.15 38 5.0
T
ref
(K) 2 73. 16 233 .14 233 .14 233 .15 64.1 43 216.55 233 .15
P
ref
(bar) 0.0061 13 1.0495 0.512615 .7177 .12 53 5.178 .6417
h
ref
(kJ kg
–1
) 0.01 0.0 0.0 150 .3 301.45 0.0
u
ref
... CF
3
CH
2
F NH
3
N
2
CO
2
W
m
18.015 86.476 102. 03 66.05 17. 03 28.0 13 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...
ADVANCED THERMODYNAMICS ENGINEERING phần 7 ppt
... = (–9 530 .5 – (–9776.2))÷5 93 = 0.414 kJ kmole
-1
K
-1
, while for a change from D
to the metastable vapor state K, σ = (–9 530 .5 – (–9 638 .8)) ÷5 93 = 0.1 83 k kmole
-1
K
-
.
-4000
-35 00
-30 00
-2500
-2000
-1500
-1000
-500
0
500
1000
0 ... the liquid molar volume to be 0.018 m
3
kmole
-1
.
Solution
The pressure
P
β
=P
sat
exp (v
α
(P
α
–P
sat
)/RT)
= 133 exp (0.018 × (1– 133...
ADVANCED THERMODYNAMICS ENGINEERING phần 8 doc
... basis.
Solution
For water,
g
H2O(
l
)
(31 3 K,10 bar) =
g
HOg
o
2
()
(31 3 K) + 8 .31 4 31 3×ln (
f
HO
2
()l
(31 3 K, 10 bar)/1)
=
g
HOg
2
()
(31 3 K, 1 bar) + 8 .31 4 31 3×ln (
f
HO
2
()l
(31 3 K, 10 bar)/1), where (A)
f
HO
2
()l
(T,P)/ ... (F)
Now,
g
HOg
o
2
()
(31 3 K, 1 bar) = (
h
HOg
o
2
()
– T
s
HOg
o
2
()
)
31 3 K, 1 bar
= –24 132 1 – 31 3 × 190 .33 = 30 0894 kJ kmole
–1
....
ADVANCED THERMODYNAMICS ENGINEERING phần 10 docx
... 1.796 3. 2 83 3.516 3. 652 3. 744 3. 746 3. 671 3. 505
1.02 1.627 3. 039 3. 442 3. 595 3. 705 3. 718 3. 647 3. 484
1.05 1 .35 9 2. 034 3. 03 3 .39 8 3. 5 83 3. 632 3. 575 3. 42
1.1 1.12 1.487 2.2 03 2.965 3. 3 53 3.484 3. 4 53 ... 3. 788 3. 957
0.98 3. 264 3. 247 3. 268 3. 318 3. 412 3. 569 3. 701 3. 875
0.99 3. 0 93 3.082 3. 126 3. 195 3. 306 3. 477...
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