Affiliations: [a] College of Energy and Mechanical Engineering, Shanghai
University of Electric Power, Shanghai, China | [b] Shanghai Engineering Research Center of Power
Generation Environment Protection, Shanghai, China | [c] School of Computing, Engineering and Mathematics,
University of Western Sydney, Sydney, Australia
Correspondence:
[*]
Corresponding author: Jian-Ping Zhang, College of Energy and
Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China.
Tel.: +86 021 3530 3752; E-mail: jpzhanglzu@163.com
Abstract: In order to study PM2.5 removal performance under multi-field
coupling and applied magnetic field, a mathematical model was proposed to
analyze the interaction between fluid flow field, electro- magnetic field and
particle dynamic field. The computational fluid dynamics method and FLUENT were
employed to numerically simulate the PM2.5 removal performance in a Wire-pipe
ESP. The effects of magnetic field on PM2.5 collection efficiency at different
working voltages and gas velocities were discussed. The results indicate that
the influence of applied magnetic field on PM2.5 collection in the wire-pipe
ESP becomes more obvious with the increase of the particle diameter, and the
increment of PM2.5 grade efficiency decreases with the increasing magnetic flux
density in a certain range of particle diameters. Furthermore, the effect of
magnetic field on PM2.5 collection increases with a decrease of working voltage
or an increase of gas velocity, and PM2.5 collection efficiency declines at the
same time. At a lower flue gas velocity, the impact of flue gas velocity on
PM2.5 overall efficiency is more significant than that of applied magnetic field.
