(.12).
, (). . s/d =(1,25-2,20), d - . , . . , . , , , ( ), ( ) ( ).
- , () .
4, ( 15121-79).
4.
, d ., | 28, 30, 32, 38 |
1,25 2,20 | |
, ℓ, | 2, 3, 4, 5 |
F . 4 :
L = , .
l, , n ,
.
D = D ′ + d +2 0, ,
D ′ - ; 0 - ( 0min = 6 ).
(. 5), (. 13).
5.
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I
1.
hs - (.2) (. 1): , .
1.
|
1. hs - 0 p 0 t 0. :
h 0 = 3490 /; s 0 = 6,66 /(∙).
2. 0′. (. 1) () , ,
Δ p 0 = p 0 - = (0,03...0,05) p 0,
p 0 - , - .
Δ p 0 = 0,04∙ p 0 .
.
0′ hs -:
t 0′ = 548 ; v 0′ = 0,03 3 / ; s 0′ = 6,69 /(∙).
3. 1 a ( ) . s =const, 0′ p 1.
1 a:
ha 1 = 3080 /; sa 1 = 6,69 /(∙).
4. 1. Hi :
/,
/.
/,
/.
p 1 h 1, 1. 1:
h 1 = 3144 /; s 1 = 6,77 /(∙).
|
|
5. 1′. :
,
p . p = p 1.
.
.
hs - 1′:
h 1′ = 3144 /; s 1′ = 6,79 /(∙).
6. 5 a, 1′ p 5.
5a:
h 5 a = 2410 /; s 5 a = 6,79 /(∙).
7. 5, Hi :
, /,
3144-2410=734 /.
/,
/.
p 5 h 5, 5. 5:
h 5 = 2516 /; s 5 = 7,11 /(∙).
8. 5′, :
,
p . p = p 5.
.
.
5′:
h 5′ = 2516 /; s 5′ = 7,14 /(∙).
9. 2 3, 1′ 5. p 2 p 3 2 3.
2:
h 2 = 2850 /; s 2 = 6,94 /(∙).
3:
h 3 = 2800 /; s 3 = 6,97 /(∙).
10. K a ′, 5′ p .
K a′:
hKa ′ = 2180 /; s Ka ′ = 7,14 /(∙).
11. K, :
/,
/.
/,
/.
p h , . :
h = 2254 /; s = 7,39 /(∙).
12. a, 0 p .
a:
h a = 2050 /; s a = 6,67 /(∙).
2.
1. Q (. 3) = 0C Q = Q :
Q = 155 .
2. t t (. 3) t 1 t 2 :
t 1 = t =30C,
t 2 = t =90C.
3. [3, III ] ( ) 1 5 p 5=0,07 :
C.
4. 1 t 1 υ =5 C :
,
C.
5. 2 t 2 2 :
= t 2 + υ.
2 υ =810º.
= 90 +10 = 100C.
6. c hs - (, , [3]) p 4 2 :
p 4 = 0,101 .
7. Q Q , ( ):
,
D 4, D 5 , 2 1, /; h 4, h 5 - 4 5, /; h 4, h 5, h 1, h 2, h 1 - 2 1, 1, 2 1, /; G c , /; η =0,98...0,99 .
η = 0,98.
.
Q = Q + Q
|
|
.
8. 2 1:
,
,
c p ( ) YI [3]. :
/,
/.
9. 1:
,
c p ( ) YI [3].
/.
10. p 4 hs - ( ) h 4 4:
h 4 = 2674,9 /.
11. , :
D 5(h 5 - h 5) η = G (h 1 - h 1) = Q ,
D 4(h 4 - h 4) η = G c(h 2 - h 1) = Q .
(2)
/,
(1)
/.
12. , :
/.