JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2010, Vol. 40 ›› Issue (3): 57-60.

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Simulation and analysis of a new micro-fluidic active mixer

XU Hao, WEI Shou-shui*, ZHANG Jing-tao   

  1. School of Control Science and Engineering, Shandong University, Jinan 250061,China
  • Received:2009-06-26 Online:2010-06-16 Published:2009-06-26

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Abstract:

 The model of a new piezoelectric driven micro-fluidic active mixer was constructed and simulated. The natural frequency and mode shape were obtained from modal analysis of the piezoelectric ceramic. Selecting water as the fluid, the fluidstructure interaction analysis on the mixer and its internal fluid was carried out, and the disturbance status of the piezoelectric vibrator affect on the flow in the mixer was obtained. On the premise of driven and undriven, the mixing experiments of water of different temperatures were simulated. The capability of the mixer was checked by comparing and analyzing the simulation results.
 

Key words: micro-fluidic active mixer, modal analysis, fluid-structure interaction analysis

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