AEROPRODUKT BSK-J/EI90, Руководство пользователя

Страница: 10 / 21

BSK-J/EI90(G)/10
PRESSURE LOSS and SOUND LEVEL
Air pressure loss and sound level of BSK-J/E90 (G) fire damper in opened position
2
A (m )
Δ
P
(Pa)
100
70
50
30
20
10
5
4
3
2
500 1000 2000 5000 10000 20000 40000 100000
3
V (m /h)
45
50
55
60
65
70
40
L
,
[dB(A)]
wa
0
o
0,1 0,2 0,3 0,5 0,7 1 1,21,5 2
40
6
8
H x B 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500
150 1,454 1,439 1,418 1,400 1,383 1,372 1,349 1,335 1,317 1,300 1,284 1,268 1,252 1,237
300 1,418 1,383 1,349 1,317 1,261 1,255 1,223 1,192 1,162 1,134 1,106 1,099 1,091 1,027
450 1,383 1,335 1,261 1,239 1,192 1,143 1,106 1,065 1,027 0,989 0,953 0,918 0,884 0,852
600 1,349 1,261 1,223 1,162 1,106 1,091 1,001 0,953 0,906 0,895 0,884 0,781 0,744 0,706
750 1,317 1,239 1,162 1,093 1,027 0,965 0,906 0,852 0,827 0,767 0,706 0,667 0,628 0,589
900 1,261 1,192 1,106 1,027 0,953 0,884 0,820 0,773 0,706 0,656 0,621 0,588 0,555 0,522
1050 1,273 1,143 1,091 0,965 0,884 0,840 0,778 0,731 0,628 0,593 0,555 0,516 0,478 0,461
1200 1,223 1,106 1,001 0,906 0,820 0,778 0,699 0,621 0,577 0,533 0,489 0,445 0,401 0,357
1350 1,192 1,065 0,953 0,852 0,773 0,697 0,621 0,571 0,522 0,472 0,423 0,373 0,324 0,277
1500 1,162 1,027 0,906 0,827 0,706 0,628 0,577 0,522 0,467 0,412 0,357 0,302 0,255 0,213
Δp =

r
2
v
2
. .
The leakage of the BSK-J/EI90 (G) fire damper
-
resistance factor
[

] -
BSK-J/EI90(G)
multi-blade fire damper
BSK-J/EI90(G) multi-blade fire damper
Pressure drop:
The calculation of the pressure drop
is
done with the following formula :
Δ p [Pa] - pressure loss
v [m/s] - air velocity on the
nominal section of the damper
-3
r [kg/m ] - air density
x [-] - resistance factor
2
A [m ]- free cross-section
3
V [m /h] - airflow