Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
In this paper, the active control of sound transmission through double-panel partitions by inserting acoustic sources in the air gap between the double panels is studied through a computer simulation. The work is an extension of the previous analytical work in which a theoretical framework was developed to reveal the control mechanisms involved in active acoustic control. In this work, a computer simulation based on the theoretical framework is used to assess the control performance under different conditions. It is shown that the property of the radiating panel plays an important role in active acoustic control. The control performance can be improved by increasing the panel damping or decreasing the panel modal density. The reasons for this are discussed.
In this paper, the active control of sound transmission through double-panel partitions by inserting acoustic sources in the air gap between the double panels is studied through a computer simulation. The work is an extension of the previous analytical work in which a theoretical framework was developed to reveal the control mechanisms involved in active acoustic control. In this work, a computer simulation based on the theoretical framework is used to assess the control performance under different conditions. It is shown that the property of the radiating panel plays an important role in active acoustic control. The control performance can be improved by increasing the panel damping or decreasing the panel modal density. The reasons for this are discussed.
Active Acoustic Control of Sound Transmission through Double Walls: Simulation Results
Building Acoustics ; 7 ; 127-135
01.06.2000
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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