Acoustic filter based on Helmholtz resonator array

Jyun Hong Lu, Chung Chun Kuo, Fu Li Hsiao, Chii Chang Chen

研究成果: 雜誌貢獻期刊論文同行評審

10 引文 斯高帕斯(Scopus)

摘要

We investigate theoretically and experimentally the absorption of a Helmholtz resonator (HR) array, an aluminum device operated in water. The HR array's period is 2 mm. The operating frequency range is ∼0.2-0.7 MHz. We observed two transmission dips in both experimental and theoretical spectra. These dips are dominated by different resonance orders in the HR. The resonance behaviors are investigated with steady-fields simulation and can be represented by spring-mass models. This allows us to reduce the device's footprint significantly.

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文章編號051907
期刊Applied Physics Letters
101
發行號5
DOIs
出版狀態已出版 - 30 7月 2012

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