AAAR 31st Annual Conference
October 8-12, 2012
Hyatt Regency Minneapolis
Minneapolis, Minnesota, USA
Abstract View
Numerical Study of Dust Deposition and Accumulation at the Entrance of Electrostatic Precipitators with a Bend
Sadegh Naderinejad, Mazyar Salmanzadeh, GOODARZ AHMADI, Mohammad Yavarzadeh, Shahid Bahonar University of Kerman
Abstract Number: 668 Working Group: Urban Aerosols
Abstract Dust deposition at the entrance of electrostatic precipitators (ESP) with a bend at its entrance is studied. Some industrial electrostatic precipitators have a bend in their inlet that could cause accumulation of particles in the wake region after the bend before entering the ESP. On occasions, the amount of deposition could be to the extent that reduces the bend outlet cross section. In this study, dust movement and deposition in duct bends was studied using a computational modeling approach. The airflow was simulated using the k-e turbulence model. The particle trajectories were analyzed using the Lagrangian particle tracking method. The effects of bend curvature and airflow velocity on the deposition in the bend were studied. It was shown that particle deposition could occur in some unexpected regions.