Abstract
In order to make up for the deficiency of liquid-liquid annular flow generator in microfluidic devices, IASE method is used to innovate the annular flow generator in microfluidic devices, and a feasible scheme is proposed, which meets the functional requirements of the annular flow generator in microfluidic devices and generates stable annular flow; Fluent software is used to analyze and compare the VOF model of the two schemes; Through their pressure, flow velocity and flow state screening, the device structure that meets the requirements is selected. This paper summarizes a flow channel structure of L-type flow channel and coaxial flow channel in series. This structure can generate stable annular flow pattern and is easy to manufacture, which is suitable for the requirements of microfluidic equipment manufacturing at present.
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