水中微小粒子粒径的激光成像测量方法

Study on method of measuring tiny particle diameter in liquid by laser imaging

提出了一种利用激光片光源、CCD图像传感器及计算机图像信号采集与处理技术实现水中微小粒子粒径成像测量的方法,介绍了该方法的测量原理、系统组成及其相关实验的结果.实验表明粒子像径与粒径之间存在明确规律,且测量结果稳定,操作简单,为河流悬沙粒径和水流空化气泡粒径的快速测量提供了一种新的途径.

A method for measuring diameters of tiny particles in water by laser, CCD image sensor and processing of image signal is presented. The measuring principle, measuring system and experiment results are introduced .The experiment indicates that there is an obvious regulation between the image diameters of particles and the real diameters of particles . The method is suitable for testing diameters of solids in rivers and diameters of gas bubbles in water.