S
F = ( ), :
S = F / = 2.
D :
D = .
. 3
, D = .
d
d=0,7 ∙ D = .
L
:
L= 6 ∙ D;
,
L = . .
( , ) :
π/4(2D2 d2) ( );
tu .
Qp = /.
Q = (1,05... 1,10) Qp
Q = /.
QH 10-2. Q = /; = .
, :
< 7,0 Ma | v = 0,1... 0,4 2 / |
7,0... 20 Ma | v = 0,4... 0,8 2 / |
= 20,0...60 | v = 0,8... 1,75 2/ |
. = , , v = 2 /, = /3.
, . V :
1,0... 2,0 /;
3,0... 6,0 /;.
2,0 /.
d :
Q .
:
Q = QH = / = = 295 3 /
:
V =1,5 / =150 /;
V = 4,5 / =450 /;
V = 2,0 / = 200 /.
dp :
d = ;
d= ;
d = .