MRI Measurement of Particle Velocity in Spouted Bed

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  • KAWAGUCHI T.
    Department of Mechanical Engineering, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871, Japan
  • YOSHIDA T.
    Department of Mechanical Engineering, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871, Japan
  • TSUJI Y.
    Department of Mechanical Engineering, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871, Japan

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Abstract

This paper describes the measurement of particle behavior inside a spouted bed by use of the Nuclear Magnetic Resonance Imaging (NMR Imaging or MRI). The tagging method and the phase method, which are the velocity measurement technique of MRI, are employed to measure the particle velocity distribution in a cylindrical spouted bed. The deformation of the particle layer is clearly visualized by the tagging method. The radial distribution of the vertical component of the particle velocity is obtained by the phase method. A discrete particle simulation is also performed.

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