Shock Wave Generation through Constructive Wave Amplification
Shock Wave Generation through Constructive Wave Amplification
复制标题
通过相长波放大产生冲击波
DOI：
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
M. Brouillette
中科院分区：
文献类型：
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作者：
Steven Dion;Louis;M. Brouillette
随着冲击波的新的生物医学和工业应用的出现，准确和经济地产生冲击的需求变得越来越重要。由于在生物学和医学领域中用于诊断和治疗用途的潜力非常大，因此需要在细胞、组织和器官中有效地产生冲击波。在过去，已经有许多用于在液体中产生冲击波的方法，所有这些方法的特征都在于大而快速的能量沉积，或者通过爆炸物的引爆，用激光能量脉冲照射目标，通过火花隙放电，或者通过电磁或压电装置使活塞突然加速。这些方法中的每一种都有众所周知的缺点，例如需要高压电子设备、炸药的操纵和/或缺乏对冲击特性的控制[1]。本文提出了一种利用低振幅压电发电机的优点在液体中产生高振幅压力脉冲的新方法。
As new biomedical and industrial applications of shock waves emerge, the need to accurately and economically generate shocks is becoming more critical. Since a very large potential resides in biology and medicine areas for diagnostic and therapeutic uses, shock waves need to be efficiently produced in cells, tissues and organs. In the past, there have been a number of methods used to produce shock waves in liquids, all characterized by a large and rapid energy deposition, either through the detonation of an explosive, the irradiation of a target with a pulse of laser energy, the dumping of electricity through a spark gap, or the sudden acceleration of a piston, either by electromagnetic or piezoelectric means. There are well known shortcomings associated with each of these methods, such as the requirement for high-voltage electronics, the manipulation of explosives and/or the lack of control over the shock properties [1]. This paper presents a new method to generate highamplitude pressure pulses in liquids exploiting the advantages of low amplitude piezoelectric generators.