Abstract
The catalyzed diesel particulate filter (CDPF) is widely used for collecting soot from the exhaust gas of diesel engine. However, the CDPF need being regenerated after the soot accumulation. It is important to know characteristics of regeneration for CDPF with variation of exhaust gas temperature and composition. This study presents characteristics of regeneration according to variable exhaust gas composition. Furthermore, the experiment were performed variable gas temperature of CDPF inlet gas at each exhaust gas composition. Test-rig is used to control at each in let gas temperature and composition during regeneration of CDPF. Reaction intensity(Ic) is used to compare with each result. Experimental results indicated that increased concentration of NOx and O₂ lead to regenerate more greatly. Also, higher temperature of exhaust gas leads to make CDPF cleaner.
Published Version
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