220 ( 220 ) , , ( , ).
, , :
D1 = 1,5* +25
L, B, H ,
D1 = 1,5* +25 = 48,7
, ³/, :
Q = 2826D12V,
V , 2 /;
D1 , (D1 = 50 = 0,05)
Q = 28260,0522 = 14,13 3/
2 :
-3 , , . .
, . .
D1:
D1 = 1,5* +25
D1 = 1,5* +25 = 36,3
D1 = 40 = 0,04
. |
. |
.260205.015. 017 |
, ³/, :
Q = 2826D12V,
V , 2 /;
D1 , (D1 = 40 = 0,04)
Q = 28260,0422 = 9,04 3/
-3
3.
, ³/ | 8-60 |
, | 22-4 |
, | |
. | 2-32-2 |
. 2 , 0,12 ³/. 4³, .
4.
, 3/ | |
, ³/ | |
, /2 | 3-4 |
, | 2,5 |
, | 3,5 |
.
.
.260205.015. 018
.
.
.
. .
.
6.2 .
.
6.2 .
:
QH = 2826*D2B*V,
V = 3 \ ;
DB .
|
|
DB = 16* ,
Vmax = 0,25*V, 3
V , 20% .
V = 0,2*9,4 = 1,88 3
Vmax = 0,25*1,88 = 0,47 3
, DB = 16* = 34 .
, :
QH = 2826*342*3 = 9,8 3/.
-3
5.
3/ | 8-60 |
, | 22-4 |
2-32-2 | |
, |
.
.
.260205.015. 019
.
.
.
. .
.
6.3 .
.
6.3. .
110 , .
. 10 .
51. 20, 10. () . 1000 16. , 25, 75 .
, .
Q 3/, :
Q =
, N- , N = 2;
Q- , Q=30 3/;
N- , N = 1
Q = = 60 3/.
3-6
6.
, ³/ | 30-60 |
, | 58-45 |
, | |
2-52-2 |
.
.
.
.260205.015. 020
.
.
.
. .
.
6.4
.
6.4. .
.
0,1, :
V. = q*A*τ
q = 75 /. .
= 7 .
|
|
τ = 6 .
V = 75*7*6 = 3150 =3,15 3
:
Q =
Q = = 0,06 3/
1020 .
1-0,9
7.
, 3/ | 1-3,5 |
, | 35-12,5 |
, | |
32-4 |
, ():
V = Q*τ
τ = 0,16
V = 3,5*0,16 = 0,56 3
8.
, 3 | 0,2 |
, /2 | 2,5 |
.
.
.260205.015. 021
.
.
.
. .
.
6.5 .
.
6.5. .
- . , .
. . 0,63 ³/, 2,5 ., 1,5 ³, .
():
V.. = Q*Q*t,
: Q - 1 ., /;
Q ;
t , .
V.. = 90*7*2,5 = 1575 .
- ():
V = ,
: k , 0,9.
V = = 1750 . => 1,75 3.
.
.
.260205.015. 022
.
.
.
. .
.
7. .
7.1 .
.
7. .
.
9. ( ).
/ | - | , . | , . | ||
I -I . | |||||
II -II . | |||||
- | |||||
= *7 = 137000*7 = 959000 .
. |
. |
.260205.015. 023 |
. |
. |
. |
. . |
. |
7.2 (-) |
. |
.
.
2 , :
= [(2*(* t +*t))+*t]/1000 * = [(2*(25*19+19*2))+8*5]/1000*35000 = 37310(.)
|
|
= 25 /. .
= 19 /. .
= 8 /. - .
t = 19 . , .
t = 2 . , .
t = 5. - .
= 35000 /. .
: 30*37310 = 1119300 (./)
: 7*1119300 = 7835100 (./.)
.
2 :
= 0,02** = 0,02*1,106*67000 = 1482,04 (.)
= [(2*(* t +*t))+*t]/1000 = [(2*(25*19+19*2))+8*5]/1000 =1,106
= 67000 /. .
5% , :
.. = 0,05* = 0,05*7835100 = 391755 (.)