TEST REPORT - Ursa

More documents

Recommendations

Info

File number: 12/5203-878 Page number: 8Sound absorption classα WA 0.90; 0.95; 1.00B 0.80; 0.85C 0.60; 0.65; 0.70; 0.75D 0.30; 0.35; 0.40; 0.45; 0.50; 0.55E 0.15; 0.20; 0.25Not classified 0.00; 0.05; 0.106.- <strong>TEST</strong> CONDITIONSReverberation room characteristicsShape:Parallelepiped Total area (A T ): 238,2 m 2Volume (V): 243,6 m 3 Size of diffuser: 1,5 m 2Dimensions: 7,84 × 4,96 × 6,27 m Number of diffusers: 14Environmental conditions of reverberation roomRoom state: Empty With test specimenTemperature:Relative humidity:Air pressure:22,3 ºC49 %1002 hPa22,2 ºC49 %1002 hPa7.- UNCERTAINTY OF RESULTSThe uncertainty associated to the test has been calculated and it is available to the petitioner.
File number: 12/5203-878 Page number: 98.- REVERBERATION TIMES AND EQUIVALENT SOUND ABSORPTION AREAIn following tables the reverberation time values of the test room with and without the testspecimen are given, as well as the calculated equivalent sound absorption areas.Frequency(Hz)Reverberation timeof the empty room,T 1 (s)Reverberation timeof the room with thetest specimen, T 2 (s)Equivalent soundabsorption area, A T(m²)100 14,41 6,21 3,58125 11,97 5,36 4,03160 10,60 4,82 4,42200 11,93 4,83 4,82250 12,56 4,60 5,39315 11,35 3,93 6,51400 10,57 3,45 7,64500 10,30 3,46 7,52630 9,47 3,27 7,85800 8,88 2,93 8,951000 8,45 2,64 10,171250 7,51 2,50 10,461600 6,54 2,31 10,942000 5,72 2,15 11,402500 4,92 2,01 11,483150 4,18 1,88 11,474000 3,22 1,68 11,125000 2,51 1,48 10,83
Page 1 and 2: LGAILGAI Technological Center, S.A.
Page 3 and 4: File number: 12/5203-878 Page numbe
Page 5 and 6: File number: 12/5203-878 Page numbe
Page 7: File number: 12/5203-878 Page numbe

TEST REPORT - Ursa

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?