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http://dx.doi.org/10.12925/jkocs.2017.34.1.12

The Research for effect of lubricant oil aging on environmental performance  

Kim, Jeong-Hwan (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority)
Kim, Ki-Ho (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority)
Ha, Jong-Han (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority)
Jin, Dong-Young (School of Mechanical Engineering, Korea University)
Myung, Cha-Lee (School of Mechanical Engineering, Korea University)
Jang, Jin-Young (Korea Institute of Energy Research)
Publication Information
Journal of the Korean Applied Science and Technology / v.34, no.1, 2017 , pp. 12-24 More about this Journal
Abstract
The main purpose of this research is for the investigation on the impact of engine oil aging on PM and DPF. It is widely known that lubricant specifications and consumption from an ICE have significantly influenced on the regulated and unregulated harmful emissions as the engine operating conditions. Considering DPF clogging phenomena with lubricant-derived soot/ash components, simulated aging mode for the DPF was newly designed for engine dynamometer testing. PM/ash accumulation cycle were developed in reflecting real-world engine operating conditions for the increment of engine oil consumption and natural DPF regeneration for the ash accumulation. The test duration for DPF aging reached around 100hrs with high- and low-SAPS engine oils, respectively. Using high SAPs engine oil made more PM/ash accumulation compared with low SAPs engine oils and it could accelerate fouling of EGR in engine. Fouling of EGR made effects on more harmful exhaust gases emissions. The test results on engine lubricant under engines operating conditions will deliver for the establishment of regulated and unregulated toxic emissions policy, lubricant quality standard.
Keywords
Engine; Lubricant; Aging; Exhaust gases; PM;
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