Three-Dimensional Micro-Flow Measurement in a Capillary with a Diode Laser Micro-Particle Image Velocitometry

Abstract:

A self-built micro-particle image velocimetry (micro-PIV) with a diode laser is established to measure the micro-fluidic phenomenon in a 100 μm rectangular capillary. By scanning method, a 3-D flow image with a flowrate of 0.3 μL/min is presented. With this calibration method, the measurement ability for 3-D micro-fluidic dynamics could be achieved. This technique also reveals its benefit and potential in metrology. Hence, it provides a helpful tool for Bio-MEMS research. The experiment is proceeded under laminar flow, Re= 0.011. The measurement range is ranging from 0.05μm/s to 4.3mm/s. The vector grid resolution is optimized to 2.5 μm.

• Periodical: Materials Science Forum (Volumes 505-507)
• Pages: 343-348
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.505-507.343
• Online since: January 2006
• Authors: C.T. Pan, P.J. Cheng, Yeong Maw Hwang, M.F. Chen, H.S. Chuang, C.T. Yang
• Keywords: Calibration, Capillary, Micro-Fluidics, Micro-PIV, Three-Dimensional

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