Resonance switching in a large sonic crystal cavity
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DOI: 10.1016/j.apacoust.2016.10.016
Abstract: Abstract In this work we present an experimental realization of resonance switching inside a large, relative to the lattice constant, sonic crystal (SC) cavity. The resonances arise from a temporary trapping of the acoustical energy… read more here.
Keywords: sonic crystal; crystal cavity; resonance switching; crystal ... See more keywords
Insertion loss of sonic crystal made with multi resonant shells
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DOI: 10.1016/j.apacoust.2020.107676
Abstract: Abstract In this paper, we proposed multi resonant scatterers which is comprised of two coaxial resonant shells. Four conceivable scatterers which are combinations of two different types of resonant shells such as shell with slit… read more here.
Keywords: crystal made; sonic crystal; loss sonic; multi resonant ... See more keywords
Experimental and numerical studies on the design of a sonic crystal window
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DOI: 10.21595/jve.2017.17770
Abstract: Four sets of numerical models were created to study the effects of shapes, staggering patterns, Helmholtz resonators and array configurations on the acoustical performance of sonic crystals (SCs) in order to design an efficient SC… read more here.
Keywords: window; studies design; numerical studies; experimental numerical ... See more keywords
Improving Sound Transmission Through Triple-Panel Structure Using Porous Material and Sonic Crystal
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DOI: 10.24425/aoa.2019.129268
Abstract: Main aim of this study is to combine the characteristics of the sonic crystal (SC) with acoustic panels and porous materials to improve the sound transmission loss (STL) through the triple-panel structure. SCs cause a… read more here.
Keywords: triple panel; sonic crystal; panel; sound transmission ... See more keywords
Sound Insulation and Reflection Properties of Sonic Crystal Barrier Based on Micro-Perforated Cylinders
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DOI: 10.3390/ma12172806
Abstract: A sonic crystal barrier, consisting of empty micro-perforated cylindrical shells, was built on the campus at the Universitat Politècnica de València in 2011 and characterised by using a non-standardised measurement technique. In this paper, the… read more here.
Keywords: barrier; micro perforated; sound insulation; sonic crystal ... See more keywords