Experimental investigation on the effective radiating area of ultrasonic transducers with the aim of increasing the reproduction accuracy of the unit of ultrasonic pressure in water

IF 0.1 Q4 INSTRUMENTS & INSTRUMENTATION Ukrainian Metrological Journal Pub Date : 2022-03-31 DOI:10.24027/2306-7039.1.2022.258819

O. Shpak, Dariia Duviriak, V. Parakuda, I. Kizlivskyi

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Abstract

This paper presents the results of an experimental investigation on the effective radiating areas (AER) of auxiliary ultrasonic transducers forming part of the measurement standard for the unit of ultrasonic pressure in water NDETU AUV-02-2018. When carrying out measurements, the pressure field of MANA Instruments ultrasonic transducers E1025-SU; E2312-SU; E3512-SМ has been subjected to raster scanning at operating frequencies using a raster scanning system. A positioning device for ultrasonic transducers was developed at DP NDI “Systema” in the process of creating the measurement standard NDETU AUV-02-2018, and forms its integral part. The AER calculation protocol has been developed based on IEC 61689. The type A uncertainty has been evaluated from ten repetitions of the full measurement procedure to determine the AER, аnd the type B uncertainty has been estimated from the AER-specific mathematical model based on IEC 61689 and DSTU-N RMG 43 “Metrology. Application of the Guide to the Expression of Uncertainty in Measurement”.

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以提高水中超声压力单元再现精度为目的，对超声换能器有效辐射面积进行了实验研究

本文介绍了辅助超声换能器的有效辐射面积(AER)的实验研究结果，该换能器是水中超声压力单位测量标准NDETU AUV-02-2018的一部分。在进行测量时，MANA Instruments的超声波换能器E1025-SU的压力场;E2312-SU;E3512-SМ已使用光栅扫描系统在工作频率下进行光栅扫描。DP NDI“Systema”在制定测量标准NDETU AUV-02-2018的过程中开发了用于超声波换能器的定位装置，并成为其组成部分。AER计算协议是基于iec61689标准开发的。A型不确定度通过完整测量程序的10次重复来评估，以确定AER, B型不确定度通过基于IEC 61689和dstun RMG 43“计量学”的AER特定数学模型来估计。不确定度表达指南在测量中的应用”。

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Ukrainian Metrological Journal INSTRUMENTS & INSTRUMENTATION-

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