| Summary: | 碩士 === 國立成功大學 === 航空太空工程學系碩博士班 === 90 === Due to the maturity of MEMS( Micro-Electro-Mechanical-System ) technology recently, it can be broadly used in many different applications, for example: optoelectronics, chemical, biochemical test, mechanical, aerospace…etc..
μTAS( Micro Total Analysis System) uses MEMS technology to minimize and integrate analytical equipments into a credit-card sized biochip which includes sampling, sample transport, reaction, separation and detection functions. In the mixing of sample and reagent, it used external disturbance to generate turbulent flow to enhance mixing. But the flow field in the microchannel belongs to laminar flow mostly, it’s hard to achieve the turbulent flow for mixing enhancement. This research fabricated a micro mixer driven by EHD pumps which generate a side force or a micro vortex to enhance mixing. Microscopic flow visualization experimental setup is also established to visualize the flow field in the micro mixer.
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