Presentation + Paper
5 March 2022 Phononic crystal for dynamic viscosity determination
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Abstract
We propose a two-dimensional triangular lattice solid/fluid phononic crystals (PnC) for the determination of the acoustic properties and in particular dynamic viscosity of a fluid. We show that this device is very sensitive to the acoustic parameters of the liquid, such as density or sound velocity, and could consequently be used as a temperature sensor. This temperature sensitivity is investigated through the existence of sharp waveguide acoustic modes localized in the band gap of the PnC at well-defined frequencies. We show that this device can also be used for dynamic viscosity measurements of liquid, based on the attenuation of the guided modes.
Conference Presentation
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Laurent Carpentier, Abdellatif Gueddida, Mansour Zaremanesh, Hamed Gharibi, Ali Bahrami, Ahmed Mehaney, Ralf Lucklum, Bahram Djafari-Rouhani, and Yan Pennec "Phononic crystal for dynamic viscosity determination", Proc. SPIE 12010, Photonic and Phononic Properties of Engineered Nanostructures XII, 1201006 (5 March 2022); https://doi.org/10.1117/12.2615965
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KEYWORDS
Liquids

Sensors

Acoustics

Crystals

Tungsten

Protactinium

Waveguides

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