25.
25. , , .
. | , . | ||
- | . | ||
, . . | , , , .. |
.
. () S0, n, .
. . = 6 , = 3 , h = 3 .
, - , . , .
:
S0 =
Sn - ;
- () ;
- ;
R - , ;
r0 - ;
r1 - , .
Sn = A × B = 6 × 3 = 18 2
, , . 7. , =1 ( ).
: h1 = h0 + h1 - h
h0 = 2 , h = 0,8 , h1 = 1 . h1 = 2 + 1 0,8 = 2,2
:
(A) ()
() (h1)
, = 13.
, R = 1
( ) r0 = 0,4.
r1 q, :
q,q,q - , . S,S,S - , , .
|
|
q = 0,3; q = 0,5; q = 0,5.
:
S = ( + ) × 2 × h = (6 + 3) × 2 × 3 = 54 2
Sn = Snm = 18 2
,
=
=> r1 = 4
, S0, :
S = 1,5 2. h0 = 2 b = 1,4 , :
:
. 34.
W, N, .
= 6 , = 3 , h = 3 . , - .
U = 220 . , .
TBS233 4xTL-D18W IC L, 4 TL-D, .. , , 18 . 600 , 300 .
:
N,
Emin , , ( Emin = 300 );
Sn , Sn = A × B = 6 × 3 = 18 2;
k ( , k = 1,5);
F - , , ( , , F = 1100 );
z , z = 1,1 1,2;
- .
q q, .
h .
h , h = 3 ;
h () , h = 0,8 ;
h , h = 0,3 .
:
:
qcm = 0,5; qnm = 0,7 => 0,44
n , n = 4 .
,
.35
. 35. .