Tubular phononic crystal sensor

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Tubular phononic crystal sensor

Archive ouverte : Article de revue

Edité par HAL CCSD ; American Institute of Physics

International audience. We propose the design of a tubular phononic crystal (TPC) for the purpose of sensing the physical properties of a liquid filling the hollow part of the tube. The TPC is constituted by a periodic repetition of washers along a hollow pipe with the advantage of avoiding any perturbation of a flowing fluid by any element inside the tube. Using finite element simulations, we demonstrate the existence of complete as well as polarization dependent bandgaps inside which one can design localized modes associated with defects. The most sensitive cavity to the liquid sound velocity is found to be constituted by a Fabry-Perot (F-P)

Langue: Anglais

Date de publication: 2021-09-14

Source: ISSN: 0021-8979

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