∑N≤ψ x φ x mg x [(γn x RKK+ η x ((3x μ)/(l+μ))xRsw/l00)x A+γ6 x Rb x Ab+Rs x As];
- .
.
μ= [(2x Asw x (h + b)/(b x h x S)]xl00%= [(2x6,03x(51+64))/(51x64x50)]x 100=0,85, , 1%;
ψ =1 - ((2xeo)/hmin)=l- ((2,25)/51)= 0,872;
η = I- ((4xe0)/hmin)=l- ((4,25)/51)= 0,745;
γ= 0,35 ( );
γ= 1 ( );
- 0,142;
∑N≤477,63kH<0,872x0,95x1x[(1x1,1+0,745x((3x0,85)/(1+0,85))x150/100) x 0,64 x 0,51+0,35 7 0,14+4316,0810-4] = 0,9165 MH = 916,5 kH
.
2 , .
, (/2) | ||
A-I | -II | |
150 (1500) 43 (430) | 190 (1900) 55 (550) | |
, , | 130 (1300) 190 (1900) | 160 (1600) 240 (2400) |
2
.
1. ?
2. ?
3. ?
: [ 1, 2 ]
: [ 1,4,7 ]
4
,
, , , . 50 .
15-20% . , () , .
, .
, , , ,
,
N - ;
;
A ;
Rsw
|
|
(1, .10);
Rsc (1, .10);
j ;
mq , ;
mk , 1;
0.7 ;
m , ;
m=
h b - ;
S - , 50 ; (h³.S³b).
n =1; n=1,
:
- N .
, bּh =64ּ64 =360, =5. =2.8 .
.
, 75, 25,
R =1.1 ;α =1000.
mk=0.7. 50*50 =19.2 2, RSC =43 ; RSW =150 .
:
1 - ( );
2 - .
.
:
mq =1;
, :
1- :
=2.13%
S=25 . :
2.
:
=0.64%
S=25 2 :
2.
, 2- , .3 .
. N =500 ( ) 2- .
3
.
1. ?
2. ?
3. ?
: [ 1, 2 ]
: [ 1,2,6 ]
5