The paper presents the results of thermogravimetric tests of engine oil used in a small turbocharged spark-ignition engine. The main observation from the research was a significant soot contamination of engine oil, that appears even at its low mileage. This indicates that also in the case of port fuel injection spark-ignition engine, high particulate matter emissions may occur. It may therefore turn out that the small city car can be more harmful to the environment than much larger vehicles. A rapid soot contamination of the oil in this engine indicates as well that the oil change interval should be shortened.
DESHMUKH, P. Soot content determination of in-service lubricants of diesel engine as per ASTM D5967 Annex A4. Perkin Elmer Application Note – Thermal Analysis. https://www.perkinelmer.com/la....
GAUTAM, M., CHITOOR, K., DURBHA, M. et al. Effect of diesel soot contaminated oil on engine wear — investigation of novel oil formulations. Tribology International. 1999, 32(12), 687-699. https://doi.org/10.1016/S0301-....
KOZAK, M. A comparison of thermogravimetric character-istics of fresh and used engine oils. Combustion Engines. 2019, 178(3), 289-292. https://doi.org/10.19206/CE-20....
LIANG, B., GE, Y., TAN, J. et al. Comparison of PM emis-sions from a gasoline direct injected (GDI) vehicle and a port fuel injected (PFI) vehicle measured by electrical low pressure impactor (ELPI) with two fuels: Gasoline and M15 methanol gasoline. Journal of Aerosol Science. 2013, 57, 22-31. https://doi.org/10.1016/j.jaer....
NATIONAL RESEARCH COUNCIL. Assessment of fuel economy technologies for light-duty vehicles. The National Academies Press, Washington, DC. 2011. https://doi.org/10.17226/12924.
SATPUTE, Y. Estimation of soot content in engine oil using Thermo Gravimetric Analysis (TGA) as per ASTM D5967 Method. Perkin Elmer Application Note – Thermal Petro. http://www.perkinelmer.com/CMS....
SCHEEPERS, P.T.J., BOS, R.P. Combustion of diesel fuel from a toxicological perspective. International Archives of Occupational and Environmental Health. 1992, 64, 149-161. https://doi.org/10.1007/BF0038....
SKOCZYLAS, W. Thermogravimetric analysis in automotive industry research (in Polish). BSc Thesis, 2019, Faculty of Transport Engineering, Poznan University of Technology.
Analysis of Changes in Soot Content in Engine Oils under Operating Conditions Grzegorz Zając, Wojciech Gołębiowski, Małgorzata Szczepanik, Artur Wolak, Marie Sejkorová Lubricants
Evaluation of the impact of the thermal state of a diesel engine on its efficiency Marcin Zacharewicz, Artur Bogdanowicz, Ryszard Zadrąg, Paweł Socik, Paweł Wirkowski, Jakub Hołownia Combustion Engines
The influence of the content of phosphates in water on the propagation speed of ultrasonic waves. Paweł Wesołowski, Maciej Neugebauer Combustion Engines
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