,
, , l = 384 /(×):
= 17,091
t, :
q = K×Dt = a(t t) = a(t t)= 36,764, | ||||
a, a - ; | ||||
t, t - ; | ||||
t, tc - . 2,157 | ||||
1. . 1 (/(×) . = 1,29 /(∙)
2. ():
= 0,083 | ||
- , ; - , ; - ; - . |
= 0,107 / | ||
L - , ; - , . |
3. (2):
= 1,979 2 | |||
- , ; L , ; n ; z . | |||
4. Q = ×Dt× F = 19,363.
5. . 5.5.
4-
Q | Dt | |||||||||||
w | Re | Nu | a | w | Re | Nu | a | |||||
3,639 | 20,4 | 18,6 | 0,025 | 496,24 | 5,419 | 239,97 | 17,09 | 0,083 | 2,157 | 19,36 | ||
6,369 | 20,436 | 18,64 | 0,025 | 494,8 | 5,693 | 252,1 | 17,08 | 0,083 | 2,157 | 19,36 |
:
1. ;
2. .
5.2. () - .
: .
1. .
2. . 56 % . . 17 % .
3. , . . 5.
|
|
5 -
L, | , 0 | V0, | , 0 | |||
4. (33 %) - 201-1, .
5. 10 15 . 5.6.
6. , (5 %) - 201-1, , .
7. .
5. -
Dt | Q | ||||||||||
w | Re | Nu | a | w | Re | Nu | a | ||||
3,639 | 20,4 | 18,6 | 0,025 | 496,24 | 20,4 | 239,97 | 2,157 | 17,09 | 0,083 | ||
3,576 | 20,145 | 18,375 | 0,03 | 596,4 | 5,719 | 253,28 | 1,764 | 16,926 | 0,055 | ||
3,575 | 20,134 | 18,366 | 0,037 | 743,2 | 6,042 | 267,58 | 1,97 | 16,978 | 0,055 |
:
( 0...100 101,3 )
β10-3K-1 | β10-3K-1 | ||
3,672 | 3,726 | ||
3,770 | 3,672 | ||
3,676 | 3,678 | ||
3,726 | 3,661 | ||
3,664 | 3,667 | ||
3,665 | 3,750 | ||
3,66 |