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首页> 外文期刊>Japanese journal of applied physics >Measurement of Liquid Viscosity and Density Using Single Piezoelectric Resonator with Two Vibration Modes
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Measurement of Liquid Viscosity and Density Using Single Piezoelectric Resonator with Two Vibration Modes

机译:使用具有两种振动模式的单个压电谐振器测量液体的粘度和密度

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摘要

We report the results of an experiment on measuring the viscosities and densities of several liquids using a single piezoelectric sensor, since only the numerical results obtained by finite element analysis were reported in our previous paper. The novelty of the sensor is that the viscosity and density can be inferred simply by measuring resonance frequencies in liquid for the vibration in the tangential and normal directions with respect to the contact surface between the sensor and the liquid, while the method suggested as reference requires measurements of resonance frequency and damping of a single vibration mode. By comparing the viscosities and densities measured by the proposed and conventional methods using food oil, the densities were found to correspond to the values measured using a weight meter with an error within 1% and the viscosity was evaluated to be higher than that measured using a viscometer with an error within 10%. The results suggest the possibility of measuring liquid density and viscosity by the proposed method.
机译:我们报告了使用单个压电传感器测量几种液体的粘度和密度的实验结果,因为在我们以前的论文中仅报告了通过有限元分析获得的数值结果。传感器的新颖之处在于,可以通过测量液体在共振方向上相对于传感器和液体之间的接触表面在切线方向和法线方向上的振动频率来简单地推断粘度和密度,而建议的方法需要参考测量共振频率和单个振动模式的阻尼。通过比较使用食品油的建议方法和常规方法测得的粘度和密度,发现密度与使用重量计测得的值相对应,误差在1%以内,并且粘度被评估为高于使用粘度计测得的粘度。粘度计误差在10%以内。结果表明通过所提出的方法测量液体密度和粘度的可能性。

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  • 来源
    《Japanese journal of applied physics》 |2012年第7issue2期|p.07GB07.1-07GB07.6|共6页
  • 作者单位

    Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan;

    Faculty of Engineering, Information and Systems, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan;

    Faculty of Engineering, Information and Systems, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan;

    Graduate School of Science and Engineering, Kansai University, Suita, Osaka 564-8680, Japan;

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