U20max = 1,0/5ZI2max = 1,05 I2max,
I2max ; ( ) U20max Z2k .
; , U20n/U20(n-1) = const. .
W2 = 1
W1H = U1T/U20H,
U1 , .
DU , U1H = U1T, ( U1 ). . DU = 2...5 DU = 20...35 .
U20.
( )
W1min = U1T/U20max.
U20 . , (. 10)
D = W1( 1)/
D = W1min( 1)/(N 1),
Nc ( 416);
= U2max/U2min.
- ( d) = 2.
D . (. 10) = 2 () D, 2D, 4D, 8D . .
10
U20K = U1T/W1K
(W1 - ).
I1 = 1I2/W1,
1 = 1,03...1,17 , ;
I2 , 297 80.
q1 = I1/j1,
j1 (j1 = 3,23,6 /2 , , , j1 = 1,52,1 /2 ).
q () ( 434 78).
(). 6 - 2025 .
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q2 = I2/j2,
j2 ( 1 j2 = 4,55,5 /2; j2 = 1,52 /2).
. 10 2 .
: , . .
F = U1 / (4,44f1W1 ),
= 1,31,8 , , , , .
. - .
( ) h/b = 13 (. 11). (d c) , , , :
S = d = () / .,
. ( . = 0,270,5).
11
/d 12,5. (. 12, ).
12
D11 = 1014 . 815 : b1 = b + (815) , 2040 ; h1 = h + (2040) . h1
h1 = W ( + ) + D,
W ;
, ;
, ;
Δ = 712 .
D1 = b + h,
b ;
h .
D1 = D1 + D,
D .
23 , 12 . .
³ + (612) , (1)
= åD1 + D2 + 2D12 + ( 1)D11 ;
D2 ;
D12 ;
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.
(1) , .
, .
Ioa
Ioa = /U1,
= rG , ;
, / (. 13);
G , ;
1,2 .
1 1211; 2 1511; 3 3413;
0,5
13 p
I ( )
I = ( 1. + ns105)|( W1 Ö2),
1. , , ;
1 , /; . 14;
1. , (. . 12, );
/m , /;
n s (s = 0,005 ) ;
, - .
1,21,8
= 1 / (1,9 0,8) = 1,062,17.
1 1211; 2 1511; 3 3413;
0,5
14
(io = Io100 %/I1.) ( 297 80): 50 % I2. 2500 ; 32 % I2. 5000 ; 20 % I2. 5000 . io .
^
r1 = r1Kn1l1W1/q1 r2 = r2n2l2W2/q2,
r1 75 ; 90 ; 100 . .
r2 40 ( );
l1 l2 ;
Kn1 n2 .
^
1 = r1 I21; 2 = r2 I2. = 1 + 2.
/ + 251DW21 sS 10-8/ (p lS),
D = h1 + b1K , ;
;
sS ,
sS = D12 + (D1 + D2/2)/3;
lS .
/ 1,21,4 . , ,
// = (1,21,4) / / W21.
os j = (R. + R2)/Ö(R. + R2)2 + 22.
h = 1 [åP/ U2T I . cosj + åP],
åP = + ;
U2T U20 .
, ,
Q = 0,24 . /D,
Q , 3/;
D = (510 ) .
d, , .
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V = 0,04 Q / (pd2) £ 3 /.