|
| (5.2)
|
f1 , ;
n1 , /.
| (5.3)
|
K , ( 4);
P , ( );
η ( 5);
cos φ ( 6).
, 7, h P 2P1. 1 h.
D 1 h.
1 ( 13267-73) 4
h,
|
|
|
|
|
|
|
|
| D,
| 0,089
| 0,1
| 0,116
| 0,131
| 0,149
| 0,168
| 0,191
| 0,225
| h,
|
|
|
|
|
|
|
|
| D,
| 0,272
| 0,313
| 0,349
| 0,392
| 0,437
| 0,530
| 0,590
| 0,660
|
2 KD 4
21
|
|
|
|
| KD
| 0,52÷0,58
| 0,64÷0,68
| 0,70÷0,72
| 0,74÷0,77
|
, D
| (5.4)
| KD 2P1 2.
| (5.5)
| (5.1)
| (5.6)
| α K :
K1
- K1 = 0,95÷0,96;
- K1 = 0,91÷0,92.
A B , 8. 0,25÷0,3, , 10 . L <0,25÷0,30, L1=L2=L.
z1. - . , . , , . , , .
t1 9, 1 t1 h 90 ; 2 90 250 3 , h 280 . , t1min ÷ t1max.
| (5.7)
| z1 , , , :
| (5.8)
|
| (5.9)
| 6÷7 h 56 .
. un1 , (1 = 1), I1 = S103/ m1U1:
| (5.10)
| .
un1 . 1 .
| (5.11)
|
| (5.12)
| ; .
, j, j = 5,0÷6,5 /2 1÷100 ( ).
, , , 1,8 ( 2,5 2), .
| (5.13)
| n1 .
S1, S′; ; d, d, S, S. 155 F. -3.
.
, /2,
| (5.14)
| .
, .
| (5.15)
| , , 2
| (5.16)
|
| (5.17)
| K . 0,6÷100 K = 0,68÷0,74.
, , , . , ( 3).
.
:
- ;
- , D/2 D /2 ;
- (360/Z1), , ;
- bz1 = 6÷8 .
- h1 hz1 , h1 S1.
( ).
. , , ( ).
, h1 hz1, ,
5.18
Bz c (5.35) (5.36).
, , . , .
. , , , . , , . , , .
. . , . , , .
(2 = 2) 20 :
, (5.19)
2 ≥ 4 - :
. (5.20)
. (5.21)
0,05 ,
d ≤ 0.5 0,1 , d > 0.5 .
, (): 0,25; 0,3; 0,35; 0,4; 0,45; 0,5; 0,6; 0,7; 0,8 . .
, , , .. m2 = m1 p2 = p1.
q2, z2
|
(5.22)
|
| (5.23)
| ( q2≥1) 2:
- ;
- E2 = U2k.
U2k , 150÷ 200 .
| (5.24)
| , un2, W2 = u2p2q2
| (5.25)
|
Ki , I1/I2, 10;
K ,
| (5.26)
| K1, K2 .
K 3.
3 K
q2
|
|
|
|
| ≥5
| K
|
| 0,965
| 0,960
| 0,955
| 0,950
|
, ,
| (5.27)
| ( ) , ,
| (5.28)
|
1 2 (5.10), (5.13), (5.15), (5.16), (5.17), , ; , hn2 hz2. .
R1, X1, R2, X2, X12 R12 (R ), .
(),
| (5.29)
| , .
| (5.30)
|
K , 4;
b , ; , :
- :
| (5.31)
| - :
| (5.32)
| , =0,015 ;
β , β = 1.
4 K
.
, :
| (5.33)
|
| (5.34)
| ρ :
- 75 , , ρ75=1,46;
- 115 F, H ρ115=1,41.
(5.26), (5.27), (5.28), (5.30), (5.31) ; (5.26), (5.27), (5.29), (5.30), (5.31) .
| (5.35)
|
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