-0,02 . :
- 99,9%;
- 99,9%;
- 99,2%. O2 N2 .
-0,02 :
- -100;
- ;
- ;
- -2;
- -4;
- .
, . . , , .
100 . 214 , 25 . 37 (7*0,5) , ( ) 200 . 348 (7*0,5) , 270 .
.
-100 | |
, 3/ | |
, | |
. | |
, |
-2 | |
, / | |
, | |
, | |
, | 0,6 |
. | |
, | |
, | |
, | 2,8 |
-4 | |
, / | 226 |
, | 16,5 |
. | |
, . | |
, | 1740 |
, | 1,7 |
-0,02
1- .
, / , | |
- | |
- | 0,50,6 |
- | 0,140,15 |
- | 0,50,6 |
, 0: - | 30 |
- | 510 |
- | 116120 |
: - | 99,9% |
- | 2530% 2 |
- | 7577% N2 |
|
|
2- 3-
, 3/ (=101 , t=+200C) | 20 (N2) 17 (O2) |
, : - | 216 |
- | 0,40,5 |
- | 0,140,15 |
- | 16,5 |
, 0: - | 30 |
- | 38 |
: 2 | 99,9% N2 |
- | (7075)% N2 |
- | (7780)% N2 |
3 | 99,9% 2 |
- | (4555)% N2 |
- | (9496)% N2 |
(9092)% N2 |
(.1)
, 1, 3 (18,020,0) 7, . 4, NaX. .
1- .
: (56%) 5, (44%) 3 8, . 2 12 -1. 0,6 , 9 12.
12 , , (2530)%, (99,9%) . 12. 12 14, .
2 12 . -2 12, , -3 18 14. 16 12.
14 . , 18, . -4 . -5 13, 3-2 . , 14, 10, 6, , , . 4.
|
|
2- .
7, 4, 8 2, -1 12.
2 -2 12, . 16 14, 14. -4 -5 . 13, 3-1 10 6.
6 16 8 7, 5070 , 15.
3- .
. 2 -3 18 14. -2 12 14, . 14 -4 .
14 3-3 10 , 8 7 15 (1516) .
τ c | P1 | P2 | t1 0C | t3 0C | t4 0C | t5 0C | P3 | P4 | Vg 3/c |
t2 0C | t6 0C | t7 0C | PHK | PBK | Xa % | XK % | XOT % | P | ||
1- .
1. Ga /c
Ga=(M2-M1)/(τ 2- τ 1)
2 1 τ1 τ 2 .
2.
=Ga/ρa*V b
ρa , /3;
V b , , 3 /;
3. .
4. . . . ƞ .
5. ,
Q0=Vb ρb∆iT+ V g ρb h0 ƞag,
ρb , /3;
∆iT , /;
V g , /3;
h0 , /;
6. , /3;
q0=Q0/Vb
7. , /3;
- q2=(1- ) ρb∆,
, /
∆ - ;
- q= ρb(i4-i3)
|
|
- , q= ρ(i1-i0),
i1 ;
i0 ;
-
q3=q0-(q2 + q + q ).
8. , /
l=N/Ga,
N , , .
9.
ƞ = Ga la/ N,
la , /.
2- .
1. V
V = (M2-M1) / ∆τ ρ
M1 M2 , ;
∆τ - , ;
ρ - , /3.
. . V = 40 .
2.
= V/ Vb
3. , /3
-
q2= ρbCp∆T+A ρC ρ∆Ta
T ∆Ta ;
-
qgp=A ρ∆iTa
∆iTa , ;
-
q=A ρPcpVa/λ
Pcp , ;
Va Pcp;
λ - (λ=0,70,8);
-
q3=q0-(q2 + q + qgp+qH)
q0 .
4. , /(3N2). l=N/Va
5. . . .
ƞ = Vaρla/N
la , /.
3-
.
1.
Vk = (M2-M1)/ / ∆τ ρk
ρk - .
2.
K=Vk/Vb
3. . . .
ƞ = V ρl/N
-1256 (.2)
. .
. RX , TBX R, TB . .
R, GB, GR. R
∆Tu=n/Ʃ(1/∆Tal)
n ;
∆Tal .
∆Tu n , . , .
|
|
Tbi i- .
GbCpb(Tbi-Tbi-1)=GRCPR∆TRi
, PR=0,1, pR=const .
∆TRi = (TRT-TRX)/n
CPB=f(Tb)
Cpb=A+BT+CT2+DT3
A, B, C, D ;
, .
i ∆Tai=0,5(∆Ti- ∆Ti-1)
∆Ti=Tbi-TRi; TRi=TRX+i ∆TRi; ∆Ti-1=Tbi-1-TRi-1
TBX TRX , ;
Gb GR , /c;
Cpb CPR - , /( );
TB TR
n
i , ;
Tbi Tbi-1 , .
TRi-1 TRi , .
∆Ti , .
∆Ti-1 , ;
∆Tai i .
∆Tu PR = 0,1, Pb = 20 , n=30. Cpb .
Cpb= -3,6071+0,0853-412*10-62+6,0827*10-73, /( )
- Tbi, TRi ,
∆Tu=6,7272413