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2016/4
Impact of biodiesel fuel on thermal stability of motor oil
Chemical sciences

Authors: Leonid N. BAGDASAROV is Candidate of Technical Sciences, associate professor of Gubkin Russian State University (National Research University) of Oil and Gas.E-mail: Bagdasarov@gubkin.ru
Sergey S. AGABEKOV graduated from Gubkin Russian State University (National Research University) of Oil and Gas in 2016, he defended his Bachelor and Master’s Theses. He is author 5 scientific publications. E-mail: agabekov@mail.ru
Vladimir I. STAKHIV is a student of Gubkin Russian State University (National Research University) of Oil and Gas. Author 5 scientific publications. E-mail: Stakhiv.vi@mail.ru

Abstract: Stability of motor oil to oxidation when in contact with biofuel in diesel engine is studied. With the introduction of 5 % impurities in the form of biofuel in heavy-duty fuel engines significant changes in the properties of oxidized oils are not observed.
It is concluded that biodiesel fuel adversely affects thermal-oxidative stability of motoe oils for heavy duty engines; oil deteriorates such parameters as viscosity index; low-temperature degrades antiwear characteristics. To utilize this oil in diesel internal combustion engines, it is necessary to improve more active antioxidant additives, or increase their amount.

Index UDK: 665.71

Keywords: biofuel, stability of motor oil, motor oil, bio-diesel fuel

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