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Study on the Impacting Factors of Transverse Diffusion in the Micro-Channels of T-Sensors

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Abstract:

A diffusion-based microfluidic T-sensor with three inlets in which various species are injected was simulated numerically. The results show that the Reynolds number, the dimension, and shape of the micro-channel of the T-sensor, play an important role in the diffusion of flow. The smaller the channel width is, the wider the species diffuse. The inlet angle larger than 45° will not exert any influence on the diffusion. The serpentine channel is a better structure for transverse diffusion and mixing in the micro-channel. These conclusions are helpful for the design and fabrication of micro-fluidic devices as well as the analysis of data collected from such devices.

Keywords: DIFFUSION; IMPACTING FACTOR; MICRO-CHANNEL; NUMERICAL SIMULATION; T-SENSOR

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2005.208

Publication date: 2005-08-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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