Numerical Study of Particle Collection and Entrainment in Electrostatic Precipitator

Autor: Ju-Hyeon Kim, Soon-cheol Kweon, Ju-Hee Lee, Ki-hwan Kwon, Sang Hwan Lee
Rok vydání: 2012
Předmět:
Zdroj: Journal of Fluid Machinery. 15:27-35
ISSN: 1226-9883
DOI: 10.5293/kfma..2012.15.1.027
Popis: A numerical simulation for particle collection efficiency in a wire-plate electrostatic precipitator (ESP) has been performed. Method of characteristics and finite differencing method (MOC-FDM) were employed to obtain electric field and space charge density, and lattice boltzmann method (LBM) was used to predict the Electrohydrodynamic (EHD) flow according to the ion convection. Large eddy simulation (LES) was considered for turbulent flow and particle simulation was performed by discrete element method (DEM) which considered field charging, electric force, drag force and wall-collision. One way coupling from FDM to LBM was used with small and low density particle assumption. When the charged particle collided with the collecting plate, particle-wall collision was calculated for re-entertainment effect and the effect of gravity force was considered.
Databáze: OpenAIRE