浸入式超声波换能器

IF 0.1 Q4 INSTRUMENTS & INSTRUMENTATION
Ортаголі Хакімов
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引用次数: 0

摘要

作者开发的浸入式超声波换能器的工作原理和设计用于激励和接收移动的丝状和平面平行材料中的弹性振动,特别是聚合物纤维和薄膜,在常温和高温下,具有可调节的探测信号输入(接收)角度,可进入移动的受控对象——聚合物纤维和薄膜。给出了使用我们开发的转换器的设备的技术特征,即探测基准(从发射器到接收器的距离)、探测脉冲的持续时间、填充频率和探测脉冲的时间、受控对象的速度、,超声波从发射器到第一和第二信号接收器的传播时间差Δt的组合标准测量不确定度,超声波的衰减系数和传播速度的测量的相对组合标准不确定度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Immersion ultrasonic transducers
The principles of operation and design of immersion ultrasonic transducers developed by the authors for excitation and reception of elastic vibrations in moving filament-like and plane-parallel materials, in particular, polymer fibbers and films, with an adjustable angle of input (reception) of probing signals into moving controlled object – polymer fibbers and films at normal and high temperatures. The technical characteristics of the installation are given in which the converters developed by us are used, namely, sounding base (distance from the emitter to the receivers), the duration of the probing pulses, the frequency of filling and the duration of the probing pulses, the speed of the controlled object, the combined standard measurement uncertainties of the difference Δt of the propagation times of ultrasonic waves from the emitter to the first and second signal receivers, relative combined standard uncertainties of measurements of attenuation coefficient and velocity of propagation of ultrasonic waves.
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来源期刊
Ukrainian Metrological Journal
Ukrainian Metrological Journal INSTRUMENTS & INSTRUMENTATION-
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21
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