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11. Noise data
11.1 Level of acoustic output corrected with filter A.
11.2 Level of acoustic output in octave ranges.
11.3 Table of acoustics values
Tab 11.3.1.Level of accoustic output L
W
₁ [dB] related to the 1 m² section
Tab 11.3.2. Correction to the weight filter A
v
[m/s]
2
3
4
5
6
7
8
9
10
11
12
[dB]
-15,0
-11,8
-9,8
-8,4
-7,3
-6,4
-5,7
-5,0
-4,5
-4,0
-3,6
level of acoustic output corrected with filter A
level of acoustic output related to the 1 m² section (see Tab. 11.3.1.)
duct cross section
correction to the weight filter A (viz Tab. 11.3.4.)
level of acoustic output corrected with filter A
level of acoustic output related to the 1 m² section (see Tab. 11.3.1.)
duct cross section
correction to the weight filter A (viz Tab. 11.3.4.)
L
Woct
= L
W1
+ 10 log(S) + L
rel
L
Woct
[dB]
L
W1
[dB]
S
[m
²
]
L
rel
[dB]
