, . ( ), ( ), . , , .
, . , ( ). , .
.
, , , , . , , . , , .
.3.13 , , , , , . , , .
, , , . , ( ) . . . , , . . - . , . , , 2, . , 70-90%. , ( ) , , , , , . , , , , .
|
|
.
(.3.10), .
3.10. (/)
(0-0,8 ) | > 0,8 | |
1,5-2,0 | 3,0 | |
, | 6,0-7,0 | 12,0-13,0 |
20,0 | 25,0 | |
28,0-30,0 | 40,0-43,0 | |
40,0 | 55,0 |
Qv d (). υ (/) Qv : Qv = Vd2 / 4 (3/)
Q ρ (/3) : Q = ρQv (/).