Measurement of Particle Flow Rates in Gas-Solid Two Phase Flow by a Piezoelectric Probe.

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  • Tsuji Toshiro
    Division of Materials Science and Engineering, Hokkaido University
  • Shibata Toshiharu
    Division of Materials Science and Engineering, Hokkaido University
  • Uemaki Osamu
    Division of Materials Science and Engineering, Hokkaido University
  • Itoh Hironori
    Division of Materials Science and Engineering, Hokkaido University

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Other Title
  • 圧電素子を用いた気固２相流中の粒子流量の測定
  • アツデン ソシ オ モチイタ キコ 2ソウリュウチュウ ノ リュウシ リュウリ

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Abstract

A method of measuring particle flow rates in gas-solids flow by piezoelectric probe has been improved. By detecting only the highest vibrating frequency caused by particle collision through a high pass filter, very high collision numbers can be counted. To access the performance of this probe, experiments measuring particle flow rates in a riser tube were carried out. The correlation equation between the counted collision number and the particle flow rate of these experiments is deduced. The estimated flow rates and real flow rates are compared and show good coincidence.

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