A Supersonic Underwater Discharge as a High-Power Ultrasound Source

Stobbs Jessica M.; Novac Bucur M.; Senior Peter; Woodyard Matthew; Lepper Paul

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A Supersonic Underwater Discharge as a High-Power Ultrasound Source

机译：作为高功率超声源的超音速水下放电

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A supersonic underwater discharge system, driven by a pulsed power generator with 235 ns voltage rise time, was developed to be used as a powerful ultrasound source. The article presents details of the system's components and the various diagnostic methods used, together with the main findings obtained during the first experimental campaign. The system generated a peak pressure of 184 kPa at 1-m distance, with an efficiency of energy conversion from electrical to acoustic estimated as 0.8%. The pressure profile was found to display a resemblance to the radiation pattern generated by a dipole antenna. Using an ultrahigh-speed camera, a study of the interelectrode discharge revealed details of the prebreakdown streamer dynamics and an estimate for the lifetime of the postbreakdown plasma column. The way forward includes testing the system at a very high repetition rate.

机译：由具有235ns电压上升时间的脉冲发电机驱动的超音速水下排放系统被开发为用作强大的超声源。本文介绍了系统组件的详细信息以及所使用的各种诊断方法，以及在第一个实验活动期间获得的主要结果。该系统在1米距离下产生184kPa的峰值压力，能量转换的效率从电到声学估计为0.8％。发现压力分布以显示与偶极天线产生的辐射图案相似。使用超高速度相机，对电极电极放电的研究揭示了预破坏的拖缆动力学的细节和估计后的后置地等离子体柱的寿命。前进的方式包括以非常高的重复率测试系统。

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |2021年第6期|2294-2302|共9页
作者
Stobbs Jessica M.; Novac Bucur M.; Senior Peter; Woodyard Matthew; Lepper Paul;
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作者单位

Loughborough Univ Sch Mech Elect & Mfg Engn Loughborough LE11 3TU Leics England;

Loughborough Univ Sch Mech Elect & Mfg Engn Loughborough LE11 3TU Leics England;

Loughborough Univ Sch Mech Elect & Mfg Engn Loughborough LE11 3TU Leics England;

Loughborough Univ Sch Mech Elect & Mfg Engn Loughborough LE11 3TU Leics England;

Loughborough Univ Sch Mech Elect & Mfg Engn Loughborough LE11 3TU Leics England;

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原文格式 PDF
正文语种 eng
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关键词
Electrodes; Generators; Pins; Probes; Discharges (electric); Fault location; Windings; Pulsed power; pulsed pressure; plasma; streamer; ultrasound;

机译：电极;发电机;引脚;探针;放电（电动）;故障定位;绕组;脉冲功率;脉冲压力;脉冲压力;血浆;飘带;超声波;超声;

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1. Corrigendum to 'On the complex ageing characteristics of high-power LiFePO_4/graphite battery cells cycled with high charge and discharge currents' J. Power Sources 286 (15 July 2015) 475-487 [J] . Groot Jens, Swierczynski Maciej, Stan Ana Irina, Journal of power sources . 2019,第FEBa28期

机译：“关于在高充电和放电电流下循环的大功率LiFePO_4 /石墨电池单元的复杂老化特性”的更正，J。Power Sources 286（2015年7月15日）475-487
2. PROGRESS IN DEVELOPMENT OF HIGH-POWER DISCHARGE SOURCES OF EXTREME UV RADIATION (A = 13.5 nm) [J] . V. M. Borisov, A. Yu. Vinokhodov, A. S. Ivanov, Bulletin of the Russian Academy of Sciences. Physics . 2005,第2期

机译：极紫外辐射（A = 13.5 nm）高功率放电源的开发进展
3. Generation of High-Power Ultrasound by Spark Discharges in Water [J] . John William Mackersie, Igor V. Timoshkin, Scott J. MacGregor IEEE Transactions on Plasma Science . 2005,第5期

机译：水中火花放电产生高功率超声
4. The Conception for Creation of Industrial High-Power Lasers with Continuous Formation of CO Mixture and RF Discharge in a Supersonic Flow [C] . Baranov, I.Y. . 2001

机译：在超声速流中连续形成CO混合物和RF放电的工业大功率激光器的创建构想
5. GENERATION OF UNDERWATER SOUND BY A MOVING HIGH-POWER LASER SOURCE (THERMOACOUSTICS, OPTOACOUSTICS, ARRAY). [D] . BERTHELOT, YVES HENRI. 1985

机译：移动的高功率激光源（热声光，光声，阵列）产生的水下声音。
6. A time-domain method for prediction of noise radiated from supersonic rotating sources in a moving medium [O] . Zhongjie Huang, Leonidas Siozos-Rousoulis, Tim De Troyer, -1

机译：一种时域方法用于预测运动介质中超音速旋转源发出的噪声
7. A Supersonic Underwater Discharge as a High-Power Ultrasound Source [O] . Jessica M. Stobbs, Bucur M. Novac, Peter Senior, 2021

机译：作为高功率超声源的超音速水下放电
8. A STUDY OF UNDERWATER PROPAGATION FROM A HIGH-POWER ELECTRICAL DISCHARGE [R] . M. J. Larsen, M. M. Newman, O. R. Gano 1963

机译：大功率放电水下传播研究

A Supersonic Underwater Discharge as a High-Power Ultrasound Source

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