一种大功率超声波发声系统原理与结构设计

设计了能发射大功率超声波的超声波发声系统。该超声波发声系统采用火药燃烧（炸药爆轰）的方式产生高压高速气流;高速气流驱动哈特曼超声波发生器阵列产生大功率超声。超声波发声系统采用波导管对产生的超声波进行汇聚,在一定方向上发射,可以有效提高超声波的作用距离。单个超声波发声系统产生20kHz的超声,声功率可以达到百万瓦,最大有效作用距离可达54m。设计的大功率超声波发声系统完全可以达到作战要求。

Principle and structural design of a kind of high-power ultrasonic generating system

A kind of ultrasonic system is designed for generating high-power ultrasonic wave. The powder combustion or explosive detonation is used to produce high-pressure and high-velocity gas flow, which drives the Hartmann ultrasonic generator to produce high-power ultrasonic wave. The ultrasonic generation system uses sound waveguide to focus the ultrasonic wave to a certain direction for effectively increasing the action range. Only a single ultrasonic system can produce the megawatt power of 20 kHz ultrasound and the effective action range is up to 54m. The high-power ultrasonic system designed can completely meet the operational need.