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http://dx.doi.org/10.5855/ENERGY.2013.22.2.237

The study on performance of characteristics in engine oil by vehicle driving  

Lee, Joung-Min (Research Center, Korea Institute of Petroleum Management)
Lim, Young-Kwan (Research Center, Korea Institute of Petroleum Management)
Jung, Choong-Sub (Research Center, Korea Institute of Petroleum Management)
Kim, Ye-Eun (Research Center, Korea Institute of Petroleum Management)
Han, Kwan-Wook (Research Center, Korea Institute of Petroleum Management)
Na, Byung-Ki (Department of Chemical Engineering, Chungbuk University)
Publication Information
Journal of Energy Engineering / v.22, no.2, 2013 , pp. 237-244 More about this Journal
Abstract
The engine oil is used for lubrication of various internal combustion engines. Recently, the vehicle and engine oil manufacture usually guarantee for oil change over 15000~20000 km mileage, but the most of driver usually change engine oil every 5000 km driving in korea. It can cause to raise environmental contamination by used engine oil and increase the cost of driving by frequently oil change. In this study, we investigate the various physical properties such as flash point, pour point, kinematic viscosity, cold cranking simulator characteristics, total acid number, four-ball test and concentration of metal component for fresh engine oil and used engine oil after real vehicle driving (5000 km, 10000 km). The result showed that the total acid number, wear scar diameter by four-ball test, Fe and Cu had increased than fresh engine oil, but 2 kind of used oil (5000 km and 10000km) had similar physical values and concentration of metal component.
Keywords
ESCO; technology-focused; professional ESCO; evaluation indicator;
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