S ([9], 1.4):
S = S+S, (6.1)
S, S - .
S S ([9], 1.5):
(6.2)
. - , ͷ, .= 574700 ͷ,
, , = 5 ([7], .10),
:
(6.3)
:
,
;
.
,
.
:
28-2-100-2 588-81
, , ([9], 1.9, 1.11, 1.12)
; (6.4)
; (6.5)
(6.6)
6.2
D 28 2 2: D = d 3= 21 .
λ:
. (6.71)
d ∂= 417,86 .
Kz:
Kz = ctg (180 /13)=4,05. (6.8)
De, K - ; K = 0,56 z =13 D <80 ;
De =100⋅[0,56+4,05−(0,31/ 4,76)]=454,5
Di:
Di =417,86−21=396,86.
e:
e min=0,01⋅100=1,0;
e max=0,05⋅100=5,0
r:
r =0,5⋅21=10,5.
γ =15o.
β = 66o z =13.
b 3= 17 .
h = 20 .
2:
bf max=0,9⋅17−1=14,3;
bf min=0,87⋅17−1,7=13,09 .
2:
b =0,75⋅14,3=10,72.
d =1,6⋅100=160; d =160.
l =(1,2...1,5)⋅ d . ;
l =(1,2...1,5)⋅100=120...150; l =140.