开发了一种自校准系统,用于测量球形粒子的体积,使用两个声学上升滴
Andreas Johansson1, Ricardo Méndez-Fragoso2, Jonas Enger1
1Department of Physics, University of Gothenburg, SE-41296 Gothenburg, Sweden.
The Review of scientific instruments
|November 20, 2024
概括
这项研究提出了一种低成本的自我校准方法,用于测量声学上升的滴滴体积. 它使用声学陷中的滴滴间距,为传统校准球体提供了多功能替代方案.
科学领域:
- 声波悬浮是一种声学悬浮.
- 流体动力学 流体动力学
- 光学测量技术的使用.
背景情况:
- 声波悬浮用于处理小量的液体.
- 传统的体积测量依赖于用校准球体进行图像分析.
- 校准球体方法耗时且昂贵.
研究的目的:
- 开发一种多功能且低成本的自我校准方法,用于测量声学上升的滴滴体积.
- 为传统的校准球技术提供替代方案.
- 为了使纳米升到微升滴滴的精确体积测定.
主要方法:
- 使用一个水平定向的音响陷与两个悬浮滴.
- 通过对实时或记录数据的图像分析来处理滴间距离.
- 采用基于温度的声场模拟来预测尺度因子.
- 从球形形状的像素数据计算滴滴体积.
主要成果:
- 开发的方法准确地测量滴滴体积,与标准校准球体技术进行验证.
- 通过改变相机变焦来证明自我校准,对体积测量显示微不足道的影响.
- 该方法在经过修改的TinyLev系统上进行了测试,该系统具有两种传感器封装类型.
结论:
- 自校准方法提供了一种多功能,低成本和准确的替代方法来测量声学上升的滴滴体积.
- 这种技术克服了传统静态校准方法的局限性.
- 这种方法提高了需要精确的音量控制的声学悬浮应用的实用性.
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