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Experimental Fluid Dynamics of Particles in a Dielectric Barrier Discharge Plasma-enhanced Spouted Bed by Baiqiang Zhang; Nobusuke Kobayashi; Yoshinori Itaya; Kyosuke Ono; Akira Suami; Tsuguhiko Nakagawa is a Engineering article available to read on EtoBox.

What is Experimental Fluid Dynamics of Particles in a Dielectric Barrier Discharge Plasma-enhanced Spouted Bed about?

This study proposed the fluidized particles with dielectric barrier discharge (DBD) plasma in a slotrectangular divergent-base spouted bed and focused on the dynamics of solid particles with the plasma irradiation. Two bed materials (Polypropylene (PP) particles and Polyamide (PA) particles) with same diameter (3 mm) were fluidized in this study. Fluidization parameters included gas velocity (7.4-14.9 m/s), particle amount (100-500), and plasma parameter (apply voltage, 0 and 7 kV) as the applied voltage were investigated here. Particle velocity profiles were analyzed through the methods of particle image velocimetry (PIV) and particle tracking velocimetry (PTV). Results show that the particle velocity was increased with the plasma irradiation, mainly by the enhancement in the vertical direction. The location of the highest particle velocity area related to the fluidization behavior of particles. With the increase of superficial gas velocity, the location of the highest particle velocity area raised along the central line but not reached the top of the solid bed. While the electron temperature of Ar plasma decreased with the addition of particles. Two electric fields (external elec

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Author

Baiqiang Zhang; Nobusuke Kobayashi; Yoshinori Itaya; Kyosuke Ono; Akira Suami; Tsuguhiko Nakagawa

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Engineering (Physical Sciences)