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: ..
: -80/100-130/13
N0=80 ;
t0=550C;
0=130 /2;
;
;
;
p=4 ;
Q=220 ;
;
.
.
-1,2.
- .
- .
- .
1.
-80/100-130.
1.
| 23,5 | ||
| 4,07 | ||
| 3/ | ||
| 0,0044 |
8 , , , . .
2.
| , | , 0 | ||
| I | 7 | 4,41 | |
| II | 6 | 2,55 | |
| III | 5 | 1,27 | |
| 1,27 | |||
| IV | 4 | 0,39 | |
| V | 3 | 0,0981 | - |
| VI | 2 | 0,033 | - |
| VII | 1 | 0,003 | - |
, . :
0,5-2,5 /2;
0,3-1 /2.
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| . 2. |
;
;
.
, - .
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|
: t/ to=130 / 70 C;
= 130 0 (403 );
= 70 0 (343 ).
:
1% .
;
.
.
.
:
;
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h=418,77 /
h=355,82 /
D(h5- h/)= W(h- h) →
→ D=1,01∙870,18(418,77-355,82)/(2552,5-448,76)=26,3 /
D h6+ D h/+ W h= W h+(D+D) h/ →
→ D=[870,18(355,82-293,16)1,01+26,3(384,88-448,76)]/(2492-384,88)=25,34/
D +D=D=26,3+25,34=51,64 /
