Soot contamination of engine oil – the case of a small turbocharged spark-ignition engine
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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.
2012 ◽
Vol 227
(5)
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pp. 665-674
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2014 ◽
Vol 136
(9)
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2015 ◽
Vol 76
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pp. 167-174
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