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신지선(Jiseon Shin),정다해(Dahae Jeong),정우태(Wootae Jeong) 제어로봇시스템학회 2018 제어·로봇·시스템학회 논문지 Vol.24 No.9
Tunnel Dust Cleaning Vehicle is recently being developed to remove the ultra fine dust particles exisiting in railway tunnel. The collection efficiency of this vehicle can be influenced by the design of the electric precipitator and the dust suction structure. Therefore, it is necessary to design an effective dust suction system for effective control of dust particle collection efficiency. In this paper, we have applied a dual cyclone filter as a prefilter in front of the electric precipitator, and verified the efficiency of the dust particle collection by controlling the design parameters through the Computational Fluid Dynamics (CFD) analysis of ANSYS FLUENT. As a result, it was confirmed that cyclone prefilter was able to collect most of fine particles less than PM100 after passing through the cyclone within 1.0 second. Therefore, when the particle flow is controlled using a dual cyclone filter, it is verified that various size of ultra fine particles can be selectively collected in the newly designed dust cleaning vehicle. The particle collecting system in the designed dual type cyclone prefilter can also reduce the maintenance cost of the electronic precipitator and improve the life of the fine dust collecting system module in the dust cleaning vehicle.