Creating a Reference Plane Ultrasonic Wave in a Fluid Using a Plane Piezoelectric Transducer with a Large Wave Dimension

被引：3

作者：

Krokhmal, A. A. ^{[1
]}

Nikolaev, D. A. ^{[1
]}

Tsysar, S. A. ^{[1
]}

Sapozhnikov, O. A. ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia

来源：

ACOUSTICAL PHYSICS | 2020年 / 66卷 / 05期

基金：

俄罗斯科学基金会;

关键词：

piezoelectric transducer; hydrophone calibration; plane wave mode; PRIMARY CALIBRATION; HYDROPHONES; FIELD;

D O I：

10.1134/S1063771020050061

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The article discusses the possibility of using a plane piezoelectric transducer with a large wave dimension as the source of a reference plane ultrasonic wave, which can be used to calibrate hydrophones in the megahertz frequency range. In the experiment, the source was a piezoceramic disk with a diameter of 100 mm and a thickness resonance frequency of about 1 MHz. A method was developed for determining the sensitivity of the transducer in the transmit mode by measuring its electrical impedance. A methodology is proposed for finding the parameters of the plane wave component of the emitted acoustic pulse from a known electrical signal on a generator. It is shown that the acoustic pulse profile measured by a calibrated hydrophone near the source agrees well with the theoretically predicted signal.

引用

页码：449 / 460

页数：12

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