. :
= t/(t + t), (25.9) t t , .
. t . t = const t. (. 25.6).
25.6
, , ( = 0.6 0.7; 0.75 0.85; 0.95 1); () , (), , ;
( = 0.9 1 t = 2 3 t = 0 , -);
- , , ;
.
400 500 3 / ; L. = 1.2 1.8 L. > 2.5 . ( 12.5; ). - .
25.1
25.1 t
(. . 25.6) | t, | |
1 | 2 | |
t = 2(L/ v + 0.5L/ v3 + t = 2L/ v + 0.5L/ v3 + t = 0 t = ℓ./ v3 t = 2(Lc/ vc + 0.5L1 / v3 + t = 2(Lc/ vc + 0.5L1 / v3 + t = 0 t = ℓ./ v3 | t = 2(Lc/ vc + L1 / v3 + 0.5 L2/ v3 + ) t = 2(ℓ + 0.15) / v3 + 0.5 L2 / v3 + t = 0 t = ℓ./ v3 |
L , v v3 , /; L , ; - , ; ℓ. , ; L1 L2 , ; ℓ , .
|
|
. . . . , , 25.1.
( ) () (. . 25.6 ). -8 -12.5 (. . 25.6, ). (. . 25.6, , ) , , .