, [email protected], (02) 880-9334 - 2006 Spring - 1
•
, [email protected], (02) 880-9334 - 2006 Spring - 2
2
4 5
1
5;
4 5h
= +
h2
V s=
s
, [email protected], (02) 880-9334 - 2006 Spring - 3
•
, [email protected], (02) 880-9334 - 2006 Spring - 4
, [email protected], (02) 880-9334 - 2006 Spring - 5
%
%
%
% ≡≡≡≡
T
4T
x=
– – – –
– – – –
dv p dT c
dv p de ds T
v
+
= +
=
dp v T T c
dp v dh ds T
p
− −
=
−
=
) (
2 1q
ds
T =
, [email protected], (02) 880-9334 - 2006 Spring - 6 H
c t H net
q w w q
w = −
η =
) (
) (
4 3
3
T T c w
T T c q
p t
x p
H
−
=
−
=
T
x= T
4t
H
w
q =
γ γ
η
1
1 2 3 1
4 3
1 2
1
) (
) 1 (
1
−
−
=
−
− −
=
−
− =
=
p p T T
T T c
T T c
q w q
w q
new is This
p p
H c H
c H
, [email protected], (02) 880-9334 - 2006 Spring - 7
η
∴
! " !
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•
% & ' ( ) '
, [email protected], (02) 880-9334 - 2006 Spring - 9
* + ( ) '
, [email protected], (02) 880-9334 - 2006 Spring - 10
! ! ! ! " " " " # # # # $ % & ! '$ % & ! '$ % & ! '$ % & ! ' ( )( )( )( )
* +* +* +* + , -, -, -, - .... //// 0 10 10 10 1 2222 3 4 5 6
3 4 5 6 3 4 5 6
3 4 5 6 7 7 7 7 ! ! ! ! 8 9 ( ) :8 9 ( ) :8 9 ( ) :8 9 ( ) : 3 4 * $3 4 * $3 4 * $3 4 * $ ; < = +; < = +; < = +; < = + >>>> //// 0 ?0 ?0 ?0 ? @@@@
A A A A BBBB CCCC DDDD EEEE FFFF GGGG
carnot
ericsson
η
η
+=
≈2 3
, [email protected], (02) 880-9334 - 2006 Spring - 11
• H I J K H I J K H I J K H I J K
L L N @OP K 2OQ
N @OP K 2OQ N @OP K 2OQ
N @OP K 2OQ °°°°R @S M K T M J K O@N P K 2 R @S M K T M J K O@N P K 2 R @S M K T M J K O@N P K 2 R @S M K T M J K O@N P K 2
°°°°R @U J R @U J R @U J R @U J
@@
@
@ @ @
@ S M J K V W @S V W 2 X X @S M J K V W @S V W 2 X X @S M J K V W @S V W 2 X X @S M J K V W @S V W 2 X X @
C T
p MPa p
C T MPa
p
°
=
=
=
°
=
=
1100 ,
0 . 1
15 ,
1 . 0
3 3 2
1 1
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R J K
R J K
R J K
R J K YYYY O O O OZ V YZ V YZ V YZ V Y [ [ [ [ Z V YZ V YZ V YZ V Y
\
\
\
\
] ] ] ]
1
2
h
h w
c= −
1
2
s
s =
932 . 1 10
4 . 1
286 . 0
1
1 2 1 2
=
=
=
=
− γ
γ
γ
p p T T
K T
2= 556 . 8
kg kJ T
T c h h
w
c p/ 5 . 269 ) 288 8 . 556 )(
0035 . 1 (
) (
2 11 2
=
−
=
−
=
−
=
, [email protected], (02) 880-9334 - 2006 Spring - 13
S Y S Y S Y S Y
O O O OZ V YZ V YZ V YZ V Y [ [ [ [ Z V YZ V YZ V YZ V Y
\
\
\
\
4
3
h
h w
t= −
4
3
s
s =
λ γ 1
4 3 4 3
−
= p p T
T = 10
0.286= 1 . 932 , T
4= 710 . 8 K
kg kJ T
T c h h
w
t p/ 7 . 664 ) 8 . 710 1373 )(
0035 . 1 (
) (
3 44 3
=
−
=
−
=
−
=
kg kJ w
w
w
net=
t−
c= 664 . 7 − 269 . 5 = 395 . 2 /
, [email protected], (02) 880-9334 - 2006 Spring - 14
^ M
^ M
^ M
^ M S ^ H I M S ^ H I M S ^ H I M S ^ H I M
O O O OZ V YZ V YZ V YZ V Y
Z V Z V Z V
Z V S ^ H I M S ^ H I M S ^ H I M S ^ H I M
OO OOZ V YZ V YZ V YZ V Y
) (
3 22
3
h c T T
h
q
H= − =
p− kg kJ T
T c q
H p/ 3 . 819
) 8 . 556 2 . 1373 ( 0035 . 1 ) (
3 2=
−
=
−
=
) (
4 11
4
h c T T
h
q
L= − =
p−
kg kJ T
T c q
L p/ 1 . 424
) 288 8 . 710 ( 0035 . 1 ) (
4 1=
−
=
−
=
, [email protected], (02) 880-9334 - 2006 Spring - 15
S M X 2 S M X 2 S M X 2 S M X 2
_ R M W G`
_ R M W G`
_ R M W G`
_ R M W G`
% 2 . 3 48 . 819
2 395 = .
=
=
H net
th
q
η w
% 2 . 10 48
1 1
1 1
1 0.2861 2
=
−
=
−
=
−k k
p p η
