-
-
:
. 0312
:
..
2012
:
.2
..3
.. 4
腅6
.6
酅...8
..9
充11
14
15
.16
...17
.
:
:
T - 150
V 14 /
t - 0C
l - :
l = 1.3
l = 2.5
l 3.5
l =3.3
, , , , , , , .
.
- . - 1 2, 3 4, 5, 6 7. 5 6 8 .
9, 10, 11. 2. 12 . 13, . .
14 15 , 16 . 6 17, . 16, .
|
|
18, . 19 .
, , 20, 21.
22,
. 23, . 24 .
2 3 14 15 . 2 6. .
:
[. . 4.1, 23] -3, .
:
200 = 865(/3)
500 =10()
=-600
=1350
, 38 101479-74
t=0 0c
: 60
t=40 0c
: 15
. :
N= 2 ××n×M=2×3.14×14×150 = 13.188
:
N=K× NM = 1,3×13.188=17.144
, . , =1,21,25. [.1,21]
[. 5.1, 26].
207.20 | |
, 3/ | 107×2 |
, : | |
, /: , -1 | 32,5 |
47,5 | |
αmax, 3/ | 1,32 |
, , | 23,6 |
: | 0,965 |
0,936 | |
0,908 | |
, |
:
QH = Q = = 3/
Ж , [. 2, 21].
. :
q = = = 0,03416501
, , . .
:
V : VB=0,51,5(/), V=1,42(/), VH=V=36(/).
|
|
[. . 7.2, 37] d≥d.
d=52
dc=30
d=d=20
, , .