Study of liquid resonances in solid-liquid composite periodic structures (phononic crystals) – theoretical investigations and practical application for in-line analysis of conventional petroleum products
Study of liquid resonances in solid-liquid composite periodic structures (phononic crystals) – theoretical investigations and practical application for in-line analysis of conventional petroleum products
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固液复合周期结构（声子晶体）中的液体共振研究 传统石油产品在线分析的理论研究和实际应用
DOI：
10.1016/j.snb.2017.10.144
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发表时间：
2018
影响因子：
8.4
通讯作者：
S. Hirsch
中科院分区：
文献类型：
--
作者：
A. Oseev;N. Mukhin;R. Lucklum;M. Zubtsov;M.-P. Schmidt;U. Steinmann;A. Fomin;A. Kozyrev;S. Hirsch
周期弹性结构由于能够设计出具有人工声学特性的结构而备受关注。控制波传播和传输或反射弹性波的光谱特性的能力允许设计传感器结构，与目前现有的方法相比，能够表现出显着的改进。这一贡献特别集中在与结构带隙对应的频率范围内的固体-液体周期复合排列的液体诱导共振的研究。在这项工作中，我们汇集了几种结构设计，并研究了它们的行为，特别注意液体成分的共振。发达的传感器结构在频谱变化方面进行了研究，这取决于构成周期性排列的液体分析物的声速。从应用方面来看，这项工作主要集中在常规石油产品及其添加剂的在线分析上。传感器测量电路仅与所调查的石油进行声学耦合，以确保所建议方法的安全性，并在紧急情况下将爆炸风险降至最低。数值模拟和实验结果都清楚地揭示了基于声子晶体的方法在特定液体传感器应用中的方法和概念优势。
Periodic elastic structures attracted a great attention because of their ability to be designed with artificial acoustic properties. The ability to control the wave propagation and the spectral properties of transmitting or reflecting elastic waves allow to design the sensor structures that are able to exhibit a significant improvement in comparison to currently existing approaches. This contribution is specifically focused on the study of liquid induced resonances of solid-liquid periodic composite arrangements at the frequency range corresponding to the structure bandgap. In this work we bring together several structure designs and study their behavior with specific attention to resonances of liquid constituents. Developed sensor structures are investigated in terms of a frequency spectra variation depending on the speed of sound of a liquid analyte that constitutes the periodic arrangement. From the application side, the work is focused at an in-line analysis of conventional petroleum products and their additives. The sensor measuring circuit is only acoustically coupled to the petroleum under investigation that ensures the safety of proposed approach and allows minimizing the explosion risk in an emergency case. Both, numerical simulations and experimental results clearly disclose the ways and conceptual advantages of the phononic crystal based approach for the specified liquid sensor application.
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