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Cylinder liner wear as a function of selected physicochemical indicators of engine oil
| 1 | Faculty of Mechanical Engineering, University of Technology and Humanities in Radom, Poland |
CORRESPONDING AUTHOR
Zbigniew Chmielewski
Faculty of Mechanical Engineering, University of Technology and Humanities in Radom, Stasieckiego 54, 26-600, Radom, Poland
Faculty of Mechanical Engineering, University of Technology and Humanities in Radom, Stasieckiego 54, 26-600, Radom, Poland
Submission date: 2021-07-13
Final revision date: 2021-08-31
Acceptance date: 2021-09-01
Online publication date: 2021-09-01
Publication date: 2021-10-15
Combustion Engines 2021,187(4), 60–64
KEYWORDS
TOPICS
ABSTRACT
The paper presents a new method of forecasting the durability of piston-rings-cylinder (PRC) liner assembly of the internal combustion engine on the basis of observed changes of physical and chemical properties of engine oil. Methods used so far for the durability evaluation of the PRC group required collecting information about the moments when the assembly reached its boundary state or used kinetic models of wear designed using accelerated research of real objects. In the proposed method, for the evaluation of durability of engine cylinders information gathered form engine oil is used. Course of changes of the proposed index of change intensity of kinematic viscosity at the temperature of 100°C – Cv100 allows for evaluation of the durability of PRC assembly of an IC engine. Obtained value was positively verified using forecasting method related to the technical criteria based on the assessment of the wear intensity.
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The scientific journal is financed under the Agreement 185/WCN/2019/1 from the funds of the Minister of Science and Higher Education
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