[KSCI] Korea Science Citation Index Service

Performance Evaluation of an Electrohydrodynamic Spray Nozzle for Regeneration of Particulate Matter on Diesel Particulate Filter

Jeong, Seonghun (School of Mechanical Engineering, Yonsei University)
Park, Sung-Eun (School of Mechanical Engineering, Yonsei University)
Kim, Min-Jung (School of Mechanical Engineering, Yonsei University)
Cho, Hyung-Jei (R&D center, HK-MnS)
Hwang, Jungho (School of Mechanical Engineering, Yonsei University)

Publication Information

Particle and aerosol research / v.8, no.2, 2012 , pp. 55-68 More about this Journal

Abstract

Particulate matters (PM) which are collected into a diesel particulate filter (DPF) system have to be periodically removed by thermal oxidation. In this report, we fabricated an electrohydrodynamic-assisted pressure-swirl nozzle to spray diesel droplets finer. Atomization performance of the nozzle was evaluated using both experimental and numerical methods. Two types of nozzle designs, the charge induction type and the charge injection type, were tested. While the former generated diesel droplets of $400\;{\mu}m$ at an applied electric potential over 10 kV, the latter presented the droplets smaller than $23\;{\mu}m$ at an applied electric potential of 8 kV. The numerical simulation results showed that the reduced size of droplets caused higher evaporation of droplets and therefore the increased temperature, which would eventually increase the regeneration performance of the DPF system.

Keywords

Diesel particulate filter; Particulate matter; Regeneration; Electrospray nozzle;

Citations & Related Records

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