Gasoline sensor based on piezoelectric lateral electric field excited resonator
Gasoline sensor based on piezoelectric lateral electric field excited resonator
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DOI：
10.1016/j.ultras.2017.05.003
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发表时间：
2017-09-01
期刊：
影响因子：
4.2
通讯作者：
Verona, E.
中科院分区：
文献类型：
--
作者：
Zaitsev, B. D.;Teplykh, A. A.;Verona, E.
研究表明，采用压电横向电场激励的X切铌酸锂谐振器，可以测定汽油的辛烷值。汽油的介电常数对辛烷值的依赖性的测量表明，有一个模糊的指向参数之间的联系。我们已经证明了理论和实验上的电阻抗的真实的部分的值上的并联谐振的频率唯一地与汽油的辛烷值接触的自由侧的谐振器。此时并联谐振频率与汽油的介电常数/辛烷值无关。给出了一个测定两种不同汽油混合物辛烷值的实例。(C)2017爱思唯尔B. V.保留所有权利。
It has been shown that by using piezoelectric lateral electric field excited resonators based on X - cut LiNbO3, one can determine the octane number of gasoline. The measured dependence of gasoline permittivity on its octane number has shown that there is an ambiguous connection between pointed parameters. We have demonstrated both theoretically and experimentally that the value of the real part of the electrical impedance on the frequency of parallel resonance uniquely associates with the octane number of gasoline contacting the free side of the resonator. At that the frequency of parallel resonance does not depend on permittivity/octane number of gasoline. An example of determination of the octane number of a mixture of two different samples of gasoline is given. (C) 2017 Elsevier B.V. All rights reserved.