尺寸
毛细管作用
微流控
显微镜
计算机科学
软件
材料科学
光学
纳米技术
化学
物理
复合材料
有机化学
程序设计语言
作者
Celso Peres Fernandes,A.M. Almeida,Fabiano G. Wolf,M C Porath
出处
期刊:Journal of physics
[IOP Publishing]
日期:2021-03-01
卷期号:1826 (1): 012018-012018
标识
DOI:10.1088/1742-6596/1826/1/012018
摘要
Abstract The dimensional characterization of capillary tubes is a recurring issue in microfluidic applications, since they are often used to connect microfluidic devices to injection and monitoring systems. In this work three experimental methods were applied and discussed for measuring the inner diameter of thin tubes, allowing the comparison and determination of the most accurate procedure, taking into account the application and involved measurement uncertainty. The methods analysed are based on (i) sizing by stereo microscope software, (ii) image analysis (binarization) and (iii) internal fluid mass. The results show that the three methods applied can provide accurate values, but the best choice in terms of simplicity and efficiency is that one based on image analysis.
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