A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Low-frequency airborne sound transmission through single partitions in buildings
The low-frequency (20-250 Hz) airborne sound transmission of single partitions is investigated. Three theoretical models are used for the prediction; an infinite plate model, a baffled plate model and a room-plate-room model. The calculation models are verified by detailed comparisons with experimental results obtained in the laboratory. A parametric study is carried out to examine the influence of the dimensions of the room and the partition. The results demonstrate the strong modal behaviour of the low-frequency sound transmission. As a result, the low-frequency sound insulation depends not only on the properties of the test wall but also on the geometry and the dimensions of the room-wall-room system. In general, the large variation of the low-frequency insulation compromises the accuracy of prediction of the sound insulation in situ.
Low-frequency airborne sound transmission through single partitions in buildings
The low-frequency (20-250 Hz) airborne sound transmission of single partitions is investigated. Three theoretical models are used for the prediction; an infinite plate model, a baffled plate model and a room-plate-room model. The calculation models are verified by detailed comparisons with experimental results obtained in the laboratory. A parametric study is carried out to examine the influence of the dimensions of the room and the partition. The results demonstrate the strong modal behaviour of the low-frequency sound transmission. As a result, the low-frequency sound insulation depends not only on the properties of the test wall but also on the geometry and the dimensions of the room-wall-room system. In general, the large variation of the low-frequency insulation compromises the accuracy of prediction of the sound insulation in situ.
Low-frequency airborne sound transmission through single partitions in buildings
Osipov, A. (author) / Mees, P. (author) / Vermeir, G. (author)
Applied Acoustics ; 52 ; 273-288
1997
16 Seiten, 13 Bilder, 1 Tabelle, 16 Quellen
Article (Journal)
English
Low-frequency airborne sound transmission through single partitions in buildings
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