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Metamaterial Sensor for Transformer Oil, and Microfluidics

机译:用于变压器油的超材料传感器,以及微流体

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Metamaterial sensor which is composed of split square rings to operate in X band for liquid and microfluidics has been proposed in this study. For measurement and simulation, we have designed and manufactured a sample holder for easy injection and measurement of fluids. Dielectric properties of the fluid samples have been changed according to the usage time, humidity etc. Proposed structure reacts to the dielectric constants of the transformer oil or the other microfluidics by resonance frequency which is also validated by simulation and testing. While 70MHz bandwidth change in the resonance frequency for transformer oil has been observed, it dramatically increases to 210MHz and decreases to 40MHz for methanol and olive oil adulteration. Reflection coefficient measurements for clear (unused) transformer oil, methanol and olive oil along with corn oil have been performed. Tested results are generally compatible with the simulated ones. Proposed structure, can be effectively used for liquids whose dielectric constant varying from 2 to 24 Simulation study shows us that the proposed structure gives 560MHz bandwidth when clear transformer oil is replaced with acetone. Implementation of transformer oil as well as microfluidics with high quality factor is the novel side of proposed sensor study.
机译:本研究提出了由分裂方环组成的超材料传感器,以在X条带中操作液体和微流体。对于测量和仿真,我们设计并制造了样品架,便于注入和测量流体。根据使用时间,湿度等改变了流体样品的介电性质。所提出的结构通过仿真和测试还通过谐振频率对变压器油或其他微流体的介电常数反应。虽然已经观察到变压器油的共振频率的70MHz带宽变化,但它显着增加到210MHz,并且对于甲醇和橄榄油掺杂为40MHz。已经进行了透明(未使用)变压器油,甲醇和橄榄油以及玉米油的反射系数测量。测试结果通常与模拟的结果兼容。所提出的结构,可以有效地用于液体恒定不同于2至24个模拟研究的液体表明,当用丙酮替换透明变压器油时,所提出的结构提供560MHz带宽。具有高质量因素的变压器油以及微流体的实施是提出的传感器研究的新面积。

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