Manufacturing Technology 2017, 17(5):710-717 | DOI: 10.21062/ujep/x.2017/a/1213-2489/MT/17/5/710
Determination of Oil Change Interval for Gasoline Engines According to the Amount of Non-Ferrous Metals
- Faculty of Agrobiology, Food and Natural Resources, Department of Chemistry, Czech University of Life Sciences Prague, Kamýcká 129, 165 21, Prague 6 - Suchdol, Czech Republic
Friction is closely related to every moving machine and fundamentally affects efficiency and service life. Wear tracking of moving and non-moving parts of the engine mechanism is important for expressing the wear trend. The wear and tear trend is specific for gasoline engines in urban traffic. The increase in the number of abrasive non-ferrous particles (Al, Cu, Ni, Cr, Sn, Si) is monitored in Škoda Octavia vehicles. The statistical evaluation of nomogram the wear and the determination of the optimum oil change interval of a vehicle group with sparkignition engines are performed for individual non-ferrous particles. The main aim of the article is to propose and verify the method of determination of the optimal oil change interval using Atomic Absorption Spectroscopy, Thin Layer Chromatography and using limit values of discriminatory analysis. On the basis of the results of the analyses, it is clear that the oil change interval by the manufacturer is inadequate and the oil level must be monitored.
Keywords: Thin Layer Chromatography, Atomic Absorption Spectroscopy, Engine Oil, Wear Particles, Discriminant Analysis
Published: October 1, 2017 Show citation
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