. , . , , , ( ) ( ), (), . [7].
, .
L L i (, ) Σ L r, ..
L = L i Σ L r, (1)
L i = L .. L .., L .., L .. ;
Σ L r = L r.c. + L r.p., L r.c., L r.p. ( , ) ( , , ) .
(1)
(2)
(k R) , (- ). π Σ, 1,031,05;
, , θ ;
η η , . η ≈ = 0,830,85 η ≈ = 0,90,92.
L ( ) P max
( II/ I)opt = η II. (3)
η II 0,780,82.
V , L . π . = / .
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() ( R) , < 0,65...0,85.
, , . , V (, ) , , .
η , L . (, ), Q o, ,
, (4)
P .
:
- (i c i );
- , (Q 0 Q) = Q 0 ∙ (1 η ) ( η , Q 0 , 1 );
- (. 60.).
. 60.
(η ),
, (5)
, Hu .
(η ), .
. (6)
(. 61.), : , , .
. 61.
. .
(P Σ) , , (P I), (P II).
P Σ = P I + P II. (7)
,
R I = ( I V) ∙ G I, (8)
R II = (c cI V) ∙ G II = (c II V) ∙ G I ∙ (1 + m), (9)
G I, G II ;
m , V ; c cI, c II , :
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(10)
m , ( , η II = 1,0) I = II = c c, P I = P II = P = I V =
. (11)
η = η ∙ η (1) (2)
(12)
m = 0 (12)
(13)
(12) (13) ,
(14)
. 62. , ( (14)) .
L .
1.
1
m | |||||
( V = 50 /) | 2,25 | 2,95 | 3,45 | 3,9 | 4,1 |
( V = 100 /) | 2,1 | 2,5 | 2,85 | 2,9 | 2,95 |
( V = 150 /) | 1,85 | 1,9 | - | ||
( V = 200 /) | 1,55 | 1,5 | 1,15 | 0,85 | - |
( V = 250 /) | 1,25 | 0,9 | 0,2 | - | - |
( V = 300 /) | 0,95 | 0,2 | - | - | - |
. 62. , [7]
V < 100150 / . , (m > 50).
V > 300 / .
. 63. .
. 63. [7]
, V < 100150 / , , m = 2025 2,53,5 .
, .
.
. (15)
(15) (4)
(16)
(16) , .
, .
. .
2 . L , . . 64. .
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2
m | |||||
( V = 50 /) | 2,26 | 2,91 | 3,39 | 3,76 | 4,06 |
( V = 100 /) | 2,09 | 2,58 | 2,89 | 3,12 | 3,3 |
( V = 150 /) | 1,94 | 2,3 | 2,51 | 2,66 | 2,77 |
( V = 200 /) | 1,80 | 2,08 | 2,23 | 2,32 | 2,37 |
( V = 250 /) | 1,7 | 1,9 | 2,07 | 2,11 | |
( V = 300 /) | 1,6 | 1,77 | 1,84 | 1,88 | 1,91 |
. 64. ,
, V < 100200 / . (m > 50).
V > 300 / .
(. 65.). 3.
3
m | |||||
( m = 2) | 1,66 | 1,6 | 1,54 | 1,48 | 1,43 |
( m = 4) | 2,09 | 1,95 | 1,83 | 1,72 | 1,63 |
( m = 6) | 2,41 | 2,21 | 2,03 | 1,88 | 1,75 |
( m = 8) | 2,68 | 2,41 | 2,18 | 1,99 | 1,84 |
( m = 10) | 2,91 | 2,58 | 2,3 | 2,08 | 1,9 |
( m = 12) | 3,12 | 2,72 | 2,41 | 2,15 | 1,95 |
( m = 14) | 3,3 | 2,84 | 2,48 | 2,2 | 1,99 |
( m = 16) | 3,47 | 2,94 | 2,55 | 2,25 | 2,02 |
( m = 18) | 3,62 | 3,04 | 2,61 | 2,29 | 2,05 |
( m = 20) | 2,76 | 3,12 | 2,66 | 2,32 | 2,07 |
( m = 25) | 4,06 | 3,3 | 2,77 | 2,39 | 2,07 |
. 65.
, V < 100150 / , , m = 2025 2,53,5 .
(. 64., . 65.) (. 62., . 63.) . : , .
, . .
4- 5- : , , , .
CFM56 . , , .
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CFM56:
- CFM56-7B CDP (Compressor Discharge Pressure CDP );
- CFM56-5 , . , 9 ;
- , CFM56, , ;
- CFM56 ;
- VBV (Variable Bleed Valves ) CFMI ( ), ;
- CFM56-7B CFM56-5B 9 . , .
- CFM56 . ;
- CFM56-5B, CFM56-5C , , ;
- CFM56 - ;
- CFM56-5 . . FADEC . , FADEC ;
- ODM (Oil Debris Monitors). , , ( ). . ODM FADEC , ;
- CFM56-7B . , .. ;
- ;
- CFM56-3 , . N 2, 43%, CFM56-7B N 2 55%;
- CFM56-7B , CFM56-3;
- CFM56-5A/5B, CFM56-5 , , .
, . , , .
. , .
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, , .