Performance analysis and experimental study of particle control based on fluid

Particles trapping and position control method based on microfluidic is proposed. The mechanism of particle displacement based on microfluidic is analyzed, and the effect of the parameters, for example, the radial error and the angle error of microtubules and microtubules arrangement, on particle control performance are evaluated quantitatively. The feasibility of the proposed method is proved by experiments. The experiment results show the displacement of micro particle can be controlled by constructing micro flow field. And arbitrary sizes and shapes particles can be trapped and controlled for directional and quantitative displacement with the proper flow field parameters. Contactless trapping and position for particles can be realized with the proposed method.