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Values in Sound Transmission Loss
PostForum: AFMG SoundFlow   Posted: Sat Nov 05, 2011 11:00 pm   Subject: Values in Sound Transmission Loss
Garry Hall
 
Replies: 10
Views: 52960




Thanks Waldemar. The diffuse / angle of incidence option expains the different outcomes.

I am a bit surprised by the results between 4mm Glass 68 - Rw30 and the 4mm Glass 68 + 100mm air + 6mm Glas ...
Values in Sound Transmission Loss
PostForum: AFMG SoundFlow   Posted: Wed Nov 02, 2011 9:32 pm   Subject: Values in Sound Transmission Loss
Garry Hall
 
Replies: 10
Views: 52960




Im may have not explained myself well. The graph and table values are in agreement for the 4mm glass + 100mm air + 6mm glass but the calculated broadband value of Rw 29 is not in agreement with the ta ...
Values in Sound Transmission Loss
PostForum: AFMG SoundFlow   Posted: Wed Nov 02, 2011 1:11 pm   Subject: Values in Sound Transmission Loss
Garry Hall
 
Replies: 10
Views: 52960




I have labarotory data from a glass manufacturer. As an example 4mm float glass - Rw 31, 6mm Rw 32, 4mm +100mm air + 6mm Rw 46.

I personally think the values are slightly high for field assessment ...
Values in Sound Transmission Loss
PostForum: AFMG SoundFlow   Posted: Thu Oct 27, 2011 1:18 am   Subject: Values in Sound Transmission Loss
Garry Hall
 
Replies: 10
Views: 52960




I am currently evaluating the 30 day trial version. SoundFlow gives values for a 6mm glass + 100mm air + 8mm glass combination as Rw 33. This seems a bit low. I was expecting Rw 40 - 45.

Any sugges ...
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