The article presents an example of a device for focusing ultrasound through the air with the use of computer modeling technology and experimental data processing. The device is a matrix of 172 emitters operating at a ...The article presents an example of a device for focusing ultrasound through the air with the use of computer modeling technology and experimental data processing. The device is a matrix of 172 emitters operating at a frequency of 40 kHz, and the formation of the electronic unit of the ultrasound beam. Beam control on the software from your PC. Radiation pressure at the focal point was 57 Pa, and allows you to move light objects and feel the tactile effect of ultrasound. Present calculations the characteristics of the focused field and results of computer visualization of theoretical and experimental research.展开更多
文摘The article presents an example of a device for focusing ultrasound through the air with the use of computer modeling technology and experimental data processing. The device is a matrix of 172 emitters operating at a frequency of 40 kHz, and the formation of the electronic unit of the ultrasound beam. Beam control on the software from your PC. Radiation pressure at the focal point was 57 Pa, and allows you to move light objects and feel the tactile effect of ultrasound. Present calculations the characteristics of the focused field and results of computer visualization of theoretical and experimental research.
