2. Расчет воздуховодов
Скорость сначала принимают, затем назначают размеры каналов по формуле:
А затем уточняют скорость, пользуясь зависимостью
где L — часовой расход воздуха, м3/ч;
F — площадь сечения канала, м2;
v – скорость воздуха в воздуховоде, м/с
Результаты заносим в таблицу 2.
Таблица 2– Размеры и скорость воздуховодов
Размер воздуховодов |
L, м3/ч |
V, м/с |
Размер воздуховодов |
L, м3/ч |
V, м/с |
|
П1 |
200х200 |
258 |
2 |
|||
250х250 |
750 |
2 |
250х250 |
516 |
3 |
|
400х400 |
1500 |
3 |
250x250 |
774 |
4 |
|
400х500 |
2250 |
4,0 |
П2 |
|||
400х500 |
3000 |
5 |
500х600 |
1616 |
2 |
|
250х300 |
1032 |
4,5 |
500х600 |
3232 |
3,5 |
|
400х600 |
4032 |
5,5 |
500х600 |
3304 |
4,0 |
|
400х600 |
4224 |
5,5 |
500х600 |
3424 |
4,0 |
|
400х600 |
4416 |
6,0 |
500х600 |
3487 |
4,0 |
|
B1 |
500х600 |
3350 |
4,5 |
|||
250x300 |
429 |
2,0 |
100х150 |
90 |
2,0 |
|
250x350 |
858 |
2,5 |
200х300 |
396 |
2,0 |
|
400x400 |
1287 |
3,0 |
200x300 |
444 |
2,5 |
|
400x400 |
1716 |
3,5 |
200x300 |
492 |
3,0 |
|
400x500 |
2145 |
4,0 |
200x300 |
540 |
3,0 |
|
400x500 |
2574 |
4,5 |
200x300 |
570 |
3,5 |
|
400x500 |
3000 |
5,0 |
200x300 |
579 |
3,5 |
|
150x150 |
126 |
2,0 |
200x300 |
600 |
4,0 |
|
150x200 |
256 |
3,0 |
200x300 |
690 |
4,0 |
|
150x200 |
384 |
4,0 |
200x300 |
780 |
4,5 |
|
400x500 |
3402 |
6,0 |
150x250 |
178 |
2,0 |
|
B2 |
200x250 |
356 |
2,5 |
|||
100x150 |
38 |
2,0 |
200x300 |
534 |
3,0 |
|
100x150 |
76 |
2,0 |
200x300 |
712 |
3,5 |
|
100x150 |
500 |
2,0 |
250x400 |
1492 |
5,5 |
|
100x150 |
100 |
2,5 |
400x1000 |
5042 |
6,0 |
|
200x200 |
550 |
5,0 |
B6 |
|||
200x200 |
626 |
6,0 |
100x150 |
50 |
2,0 |
|
B3 |
100x150 |
100 |
3,0 |
|||
100x150 |
90 |
2,0 |
100x150 |
150 |
5,0 |
|
200x200 |
296 |
2,5 |
B7 |
|||
250x250 |
502 |
3,0 |
250x250 |
390 |
2,0 |
|
250x250 |
708 |
4,0 |
300x300 |
780 |
3,0 |
|
250x250 |
914 |
5,0 |
400x500 |
2940 |
5,0 |
|
250x300 |
1120 |
5,5 |
B8 |
|||
150x250 |
178 |
2,0 |
100x150 |
63 |
2,0 |
|
200x250 |
356 |
3,0 |
100x150 |
126 |
3,0 |
|
200x250 |
534 |
4,0 |
150x150 |
246 |
4,0 |
|
200x250 |
712 |
5,0 |
150x150 |
318 |
4,5 |
|
300x300 |
1832 |
6,0 |
100x150 |
60 |
2,0 |
|
B4 |
100x200 |
120 |
2,0 |
|||
100x150 |
75 |
2,0 |
100x200 |
141 |
2,5 |
|
100х150 |
150 |
2,5 |
100x200 |
150 |
2,5 |
|
100х150 |
225 |
5,0 |
100x200 |
180 |
2,5 |
|
B5 |
150x200 |
228 |
2,5 |
|||
100x150 |
36 |
2,0 |
150x200 |
276 |
3,0 |
|
100x150 |
144 |
5,0 |
150x200 |
324 |
3,5 |
|
|
150x200 |
426 |
4,5 |
|||
150x200 |
486 |
5,0 |
||||
200x250 |
696 |
5,0 |
||||
250x250 |
974 |
6,0 |
||||