n- , .
= n * ,
, , .
, , ,
/ = h, h .
= n * * h, , , :
= (n * * h) / S,
S .
.
= Z * Emin,
Z
min = (n * * h) / (S *Z)
, . , :
min @ *
= (n * * h) / (S *Z * )
:
= ( * S *Z * )/ (n * h)
:
n = ( * S *Z * )/ ( * h)
, ( i).
-5%+20%
, , .
a
:
= (I/r^2)cos a,
I
r
r h ,
= (I/h^2)cos^3 a
h = H hp, H , hp
. :
1. (U, , )
2. (I , )
3. - / P / , tc- 20%
4.: , .
1.
2.
, , , , 15%.
. . y =7-20 /, t=1000 , .
:
y = 30 /, t=2000 .,
y = 70-110 /, t=10000 ., .
|
|
, , .
, y = 75 /, t=12000 .,
, . .
:
-
-
2. . , .
3. (), y = 100 /.
4. y = 110 /, , .
5. , 10 , .
.
, . .
:
:
- 80% . .
- = 60-80% .
- =40-60% .
- > 80% .
- =60-80%
, .
:
, ,
.
. , 10 .
.
:
- ;
- , ;
- .