Microfluidic Flow in Microchannel Using Different Rotating Modes

Abstract

This paper explores how to control a microfluidic flow in a microchannel of a platform by centrifugal force. Main purpose is to devise a detection system for the separation of calibrated fluid and non-calibrated fluid. The research presents a microfluidic flow to the reaction chamber after the platform spinning with constant rotating frequency for a period of time. Overflow to the other areas did not happen when the reaction chamber had stomach-shape and the reservoir chamber had rectangular-shape in the platform. In addition, the maximum turbulence kinetic energy happened with the bending angle of the mixing runner to be 55°~60°. All of micro-flow flowed to the reservoir chamber from the reaction chamber when platform rotates with higher speed. This research verified that the optimal design of the platform achieved the mixing flow and controlled the flow of the micro-flow.