.
, ( , ) .
, , , . , L, B H.
, L, B - V. V W H ( 6):
L |
T |
H1 |
V = δLBT |
H2 |
V = δLBT |
L |
T |
. 6. .
.
:
- W;
- - Wc;
- W.
W , ( 7).
. 7. .
Wc W ( ) , (, , ) ΔW1 ( 8):
Wc = W ΔW1,
ΔW1 ΔW1 = (2 ÷3)% W
.8. .
W , , , .. , , . W Wc ΔW2 ( 9):
W = Wc ΔW2,
ΔW2 ΔW2 = (9 ÷ 10)% W
. 9.
( ) ( ) ΔW, :
- , , ;
- ( ), ;
- , ;
|
|
- , ( , , ).
W ΔW, :
W = W - ΔW
ΔW W :
- - (6 ÷ 9) % W;
- - (3 ÷ 6) % W:
- - (5 ÷ 6) % W.