B211 Velocity Measurements of Physiological Flows in Microchannels using a Confocal micro-PIV System

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  • LIMA Rui
    Dept. Bioeng. & Robotics, Grad. Sch. Eng., Tohoku Univ.:Dept. Mechanical Eng., ESTiG, Braganca Polyt., C. Sta. Apolonia
  • WADA Shigeo
    Dept. Bioeng. & Robotics, Grad. Sch. Eng., Tohoku Univ.
  • TSUBOTA Kenichi
    Dept. Bioeng. & Robotics, Grad. Sch. Eng., Tohoku Univ.
  • YAMAGUCHI Takami
    Dept. Bioeng. & Robotics, Grad. Sch. Eng., Tohoku Univ.

抄録

The in vitro experimental investigations provide an excellent approach to understand complex blood flow phenomena involved at a microscopic level. This paper emphasizes an emerging experimental technique capable to quantify the flow patterns inside microchannels with high spatial and temporal resolution. This technique, known as con focal micro-PIV, consists of a spinning disk con focal microscope, high speed camera and a diode-pumped solid state (DPSS) laser. Velocity profiles of both pure water and physiological fluid were measured within a square microchannel. The good agreement obtained between measured and estimated results suggests that this system is a very promising technique to obtain detail information about micro-scale effects in microchannels by using both homogeneous and non-homogeneous fluids such as physiological fluids

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