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Broadband locally resonant sonic shields
Abstract
We demonstrate a class of sonic shield materials based on the principle of locally resonant (LR) microstructures. Each local resonator is found to vibrate almost like an independent unit, and two layers of such resonators can even be regarded as a sonic crystal. By combining several LR layers of different resonant frequencies, a broadband (200–500 Hz) sound shield, with an average transmission intensity 11 dB lower than that dictated by mass density law, has been achieved.
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Cited by
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Yang, Z., Dai, H. M., Chan, N. H., Ma, G. C., & Sheng, P. (2010) · Applied Physics Letters · doi:10.1063/1.3299007 · Cited by 548
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Fang, X., Wen, J., Bonello, B., Yin, J., & Yu, D. (2017) · Nature Communications · doi:10.1038/s41467-017-00671-9 · Cited by 331
Minimal quantum heat manager boosted by bath spectral filtering
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Metadata
- Authors
- Ho, K. M., Cheng, C. K., Yang, Z., Zhang, X. X., & Sheng, P.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2003-12-29
- Volume
- 83
- Issue
- 26
- Pages
- 5566-5568
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2094837147
- Cited by
- 206
- References
- 0
- FWCI
- 2.56
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ho, K. M., Cheng, C. K., Yang, Z., Zhang, X. X., & Sheng, P. (2003). Broadband locally resonant sonic shields. Applied Physics Letters. https://doi.org/10.1063/1.1637152
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