ADVANCED THERMODYNAMICS ENGINEERING phần 2 ppsx
ADVANCED THERMODYNAMICS ENGINEERING phần 2 ppsx
... tube.
Solution
Q
12
– W
12
= = U
2
– U
1
+ KE
2
– KE
1
+ PE
2
– PE
1
.
0+3000=U
2
–U
1
+( (20 00 2) (24 .6ms
–1
)
2
–0 +20 00×(9.81×100)–0)÷1000 =25 68 kJ,
i.e.,
U
2
– U
1
= 3000 – 25 68 = 4 32 kJ.
Remarks
The ... c.v.
With Wt = 2 kN, P
2
= 2 ÷ 0.01 = 20 0 kPa.
Applying the First Law to the system,
Q
12
– W
12
= 0 = E
2
– E
1
, or E
2
= E
1
.
Neglecting the...
ADVANCED THERMODYNAMICS ENGINEERING phần 1 ppt
... namely, ∂
2
/∂x
1
∂x
2
= ∂
2
/∂x
2
∂x
1
, ∂
2
/∂x
1
∂x
3
=
∂
2
/∂x
3
∂x
1
, , etc., and generate (k–1) equations for the k variables. Likewise, in terms of
∂
2
/∂x
2
∂x
1
= ∂
2
/∂x
1
∂x
2
, ∂
2
/∂x
2
∂x
3
... index.
ISBN 0-8493 -25 53-6 (alk. paper)
1. Thermodynamics. I. Puri, Ishwar Kanwar, 1959- II. Title. III. Series.
TJ265 .A55 20 01
621 .4 02
′
1—dc21 2...
ADVANCED THERMODYNAMICS ENGINEERING phần 3 pdf
...
N
CO
2
s
CO
2
(T,
P
CO
2
) +
N
N
2
s
N
2
(T,
P
N
2
), (B)
S
1
= (
N
CO
2
s
CO
2
(T,
P
CO
2
) +
N
N
2
s
N
2
(T,
P
N
2
))
1
, (C)
S
2
= (
N
CO
2
s
CO
2
(T,
P
CO
2
) +
N
N
2
s
N
2
(T,
P
N
2
))
2
,where ... = 0.04 × 22 1.8 + 0.06 × 26 3.6 = 24 .69 kJ K
–1
, and
S
2
– S
1
= 24 .69 – 23 . 92 = 0.77 kJ K
–1
.
S
2
– S
1
– Q
12
/T
b
= σ
12...
ADVANCED THERMODYNAMICS ENGINEERING phần 4 potx
... h
s
s
s
s
s
s
s
1
2
2
2
12 2 2 1
∫
+−
∫
=−
−−
.
The path 1 2
s
involves no entropy change so that
T (s
2
– s
2s
) – w
12
= h
2
– h
1
.
Hence, – w
1–2s 2
= 23 45.4 – 3 422 .2 – 318.8 × (7.4 – 6.88) – 124 2.6 ... work is
q
12
– w
12
= h
2
– h
1
, i.e., (A)
w
12
= 25 85 – 3 422 = 837 kJ kg
–1
.
The heat rejected in the condenser
q
23
– w
23
= h
3
– h
2
, i.e.,...
ADVANCED THERMODYNAMICS ENGINEERING phần 5 potx
... (1 /2) B
2
T
v
2/ 3
.
Furthermore,
h
= u + P
v
so that
h
= (1/4) B
2
T
2
v
2/ 3
+ (1/6) B
2
T
2
v
2/ 3
= (5/ 12) B
2
T
2
v
2/ 3
, and (E)
c
P
= (∂h/∂T)
P
= (5/ 12) B
2
(2T
v
2/ 3
+ (2/ 3) T
2
v
–1/3
(∂
v
/∂T)
P
). ... VW
a´ 0. 421 875 0. 421 875 0.45 724 0.45 72 0. 427 48 0. 427 48 0. 421 875
b´ 0. 125 -0. 02 0.0778 0.0778 0.08664 0.08664 0. 125
c´ 0 0.145...
ADVANCED THERMODYNAMICS ENGINEERING phần 6 ppt
... subscript “o”
µ
N
2
,
.mix
= µ
N
2
(29 8, 2 bar) + RT ln X
N
2
= 29 8 – 29 8×(ln (29 8 27 3) – 0 .29 7×ln (2 1)) + 0 .29 7 29 8 ln(0.6)
A mixture contains 60% N
2
and 40% O
2
at 29 8 K and 2 bar. The mixture ... (9a),
bbXbX=+
))
11 2 2
(24 c)
Multiplying Eq (24 b) by X
2
, rearranging and simplifying,
)
b
1
X
2
=
)
b
2
X
2
- X
2
d
b
/dX
2
and using Eq. (24 c)...
ADVANCED THERMODYNAMICS ENGINEERING phần 7 ppt
... X
N
2
/X
O
2
= 3.76. Furthermore,
(X
O
2( )l
/X
N
2( )l
) = (X
O
2
/X
N
2
)/(
P
N
sat
2
(T)/
P
O
sat
2
(T)) (C)
Since
P
N
sat
2
(T) ≈
P
O
sat
2
(T),
(X
O
2( )l
/X
N
2( )l
) = (X
O
2
/X
N
2
) ... AX
2,
l
2
/((A/B) X
1(
l
)
+X
2(
l
)
)
2
, ln γ
2
(58)
= B X
1(
l
)
2
/(X
1(
l
)
+(B/A)X
2(
l
)
)
2
, (59)
ln γ
2(
l
)
= – ln(X
2(
l
)
+ X
1(
l
)
A...
ADVANCED THERMODYNAMICS ENGINEERING phần 8 doc
... – 126 148 0. 021 0.0 527 310 .2 334.7 22 5887
O
2
9.75 0 0 .20 57 0.5141 20 5.1 21 0.7 – 627 81
N
2
36.66 0 0.7733 1.933 191.6 186.1 –55 428
CO
2
4 –360470 0.0818 0 .20 5 26 9.3 28 2. 52 –4443 02
H
2
O(g) 5 21 5849 ... 28 2. 52 –4443 02
H
2
O(g) 5 21 5849 0.1 022 0 .25 6 23 2.7 24 4.05 28 8561
O
2
3 .25 22 707 0.0665 0.166 24 3.6 25 8.51 –54 326
N
2
36.66 21 46...
ADVANCED THERMODYNAMICS ENGINEERING phần 9 pdf
... C
7
H
8
92. 14 591.7 41.1 0 .26 4 0.3158 178 .2 383.8 72. 0 364.7 6 12. 31 0.1037 24 .8408 0.149 62
Water H
2
O 18. 02 647.3 22 0.9 0 .23 0 0.056 0.344 27 3 .2 373 .2 333.7 22 58.3 1 42. 60 0. 021 1 5.53 12 0.03045
Xenon ... 0 .27 204
Octane–n C
8
H
18
114 .2 568.8 24 .8 0 .25 8 0.4 92 0.398 21 6.4 398.8 181.6 301.5 919.40 0.16 52 38.0 427 0 .23 836
Octene C
8
H
16
1 12. 24...
ADVANCED THERMODYNAMICS ENGINEERING phần 10 docx
... 37,867 22 5.317 -20 4 ,23 1
1,300 32. 114 30,353 37,704 22 7.869 -22 6,8 92
1,400 32. 540 33,586 37,548 23 0 .26 5 -24 9,800
1,500 32. 943 36,860 37,397 23 2. 524 -27 2,941
1,600 33. 323 40,174 37 ,25 2 23 4.6 62 -29 6,300
1,700 ... 1.76690 -24 5.118
325 325 .31 1.8345 23 2. 02 508.4 1.7 824 9 -25 3.99 925
330 330.34 1.93 52 235.61 489.4 1.79783 -26 2.9439
340 340. 42 2.149 24 2...