Sound Transmission Control of a Cylindrical Structure Using Acoustic Resonators

摘要：

　　This paper presents a passive method to control low-frequency noise in a cylindrical structure by using multi-modal T-shaped acoustic resonators.The feasibility of noise transmission control on the cylindrical structure is investigated, including a detailed experimental evaluation of the control performance using a single resonator and a resonator array consisted of different resonators.Finally, six long T-shaped acoustic resonators are used to target the first four lowest cylindrical cavity resonances, and up to 9 dB noise reduction is achieved, and broadband improvement of noise reduction is also observed.

关键词： Acoustic resonator Sound transmission control Acoustic interaction

作者: Deyu Li Lijian Ou

作者单位: Department of Naval Architecture and Ocean Engineering South China University of Technology,Guangzhou,China 510641

会议类型: 国际会议

会议名称: the 2012 International Conference on Vibration, Structural Engineering and Measurement (2012年振动、结构工程与测量国际会议(ICVSEM2012))

会议地点: 上海

会议语种:英文

页码: 203-209

在线出版日期: 2012-10-19（万方平台首次上网日期，不代表论文的发表时间）