| 低功率单轴超声驻波悬浮原理与实验实现 |
| |
| 引用本文： | 夏秀文,康闽,赵志峰,胡善伟,林昭娣,傅泽云,廖丕广,胡文.低功率单轴超声驻波悬浮原理与实验实现[J].井冈山大学学报（自然科学版）,2021,42(5):5-8. |
| |
| 作者姓名： | 夏秀文 康闽 赵志峰 胡善伟 林昭娣 傅泽云 廖丕广 胡文 |
| |
| 作者单位： | 井冈山大学数理学院, 江西, 吉安 343009 |
| |
| 基金项目： | 国家自然科学基金项目（11864018）；井冈山大学大学生创新创业训练计划项目（JDX2020202，JDX2021349） |
| |
| 摘 要： | 现有单轴式超声驻波悬浮由于未考虑超声振子的最优电声转化效率，通常需要辅助专门的功率放大器才能实现大功率声悬浮。本研究发展了一套利用交流阻抗法测定超声谐振子最佳工作频率的方法，并利用普通的声速测定仪，将超声谐振腔的共振频率与超声振子的谐振频率相匹配，实现了功率放大器不参与的毫瓦量级的两波节超声悬浮，为低功率超声悬浮的实现提供了新方案。
|
| 关 键 词： | 超声悬浮 交流阻抗 声速测定仪 |
| 收稿时间： | 2021/5/21 0:00:00 |
| 修稿时间： | 2021/6/22 0:00:00 |
Realization and theory of low-intensity single-axis ultrasonic levitation experiment |
| |
| XIA Xiu-wen,KANG Min,ZHAO Zhi-feng,HU Shan-wei,LIN Zhao-di,FU Ze-yun,LIAO Pi-guang,HU Wen.Realization and theory of low-intensity single-axis ultrasonic levitation experiment[J].Journal of Jinggangshan University(Natural Sciences Edition),2021,42(5):5-8. |
| |
| Authors: | XIA Xiu-wen KANG Min ZHAO Zhi-feng HU Shan-wei LIN Zhao-di FU Ze-yun LIAO Pi-guang HU Wen |
| |
| Institution: | School of Mathematics and Physics, Jinggangshan University, Ji''an, Jiangxi 343009, China |
| |
| Abstract: | Since the optimal electroacoustic conversion efficiency is not considered in the existing uniaxial ultrasonic standing wave suspension, special auxiliary power amplifier is usually needed to realize the high power acoustic suspension. In this work, a method of AC impendance to determine the optimal operating frequency of ultrasonic resonator was develped. By matching the frequency of ultrasonic cavity with the optimal frequency, a milliwatt-level two-node ultrasonic levitation even was realized in a common experimental apparatus of Sound velocity measuring where the auxiliary power amplifier is absence. This work presents a new approach to low-intensity ultrasonic levitation. |
| |
| Keywords: | ultrasonic levitation AC impendance sound speed measuring |
|
| 点击此处可从《井冈山大学学报（自然科学版）》浏览原始摘要信息 |
| 点击此处可从《井冈山大学学报（自然科学版）》下载免费的PDF全文 |
|
