MCS300
9Sounddata
SeeFigure3.2forclosedairowsystemexample.
CorrectionofKokatISO-bandNo./CenterFrequency(Hz)
Noise
Path
Model
MCS
dB(A)L
wt
dB
1/632/1253/2504/5005/10006/20007/40008/8000
A30069,379-23,8-11,7-9,9-10,5-17,5-19,3-22,3-25,6
A
1
3006878,3-21,5-10,7-9,6.-10,5-19,1-21-25-30,5
Table9.1Sounddata(115/230V,50Hz)
SymbolsNoisePath
L
wt
:T otalNoiseleveldB(Rel.10-12W)A:Processairinletopenandwetairoutletducted
L
w
:NoisePowerlevelinOctaveBanddB(Rel.10-12W)A
1
:Dittobutincludingsilencer
K
ok
:CorrectionforCalculationofL
w
(L
w
=L
wt
+K
ok
)
21Sounddata190TEN-1027-F1404