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Theoretical Calculation and Experimental Study for the Optimum Frequency in Ultrasonic Liquid-Level measurement

机译:超声波液位测量最佳频率的理论计算与实验研究

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摘要

This paper deals with the utilization of acoustic non-intrusive approach to detect the liquidlevel in closed pressure vessels. By using the transfer matrix means, the transmission of ultrasonic wave through the vessel's wall is investigated. The reflected echo intensity is obviously influenced by both the acoustic frequency and the interlayer medium in the nonintrusive ultrasonic liquid-level detection. For the purpose of obtaining a clear reflection echo signal and others information, the selection of acoustic frequencies is indispensable. The optimum frequency for the ultrasonic incidence wave is calculated, and the result is also validated by an experiment. In this paper, an effective technical approach is provided for this problem of the frequency selection in ultrasonic liquid-level measurement.
机译:本文涉及利用声学非侵入性方法来检测密闭压力容器中的液位。通过使用传递矩阵装置,研究了超声波通过血管壁的传播。在非侵入式超声液位检测中,反射的回波强度明显受到声频和层间介质的影响。为了获得清晰的反射回波信号和其他信息,选择声学频率是必不可少的。计算出超声波入射波的最佳频率,并通过实验验证了结果。本文针对超声波液位测量中的频率选择问题提供了有效的技术手段。

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  • 来源
  • 会议地点 Beijing(CN);Beijing(CN)
  • 作者

    Feng Zhang; Xiping He; Bin Li;

  • 作者单位

    Institute of Applied Acoustics,Shaanxi Normal University,Xi’an 710062,Shaanxi,P.R.China;

    Institute of Applied Acoustics,Shaanxi Normal University,Xi’an 710062,Shaanxi,P.R.China;

    College of Marine Engineering,Northwestern Polytechnic University,Xi’an 710072,Shaanxi,P.R.China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 声学;声学;
  • 关键词

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