Method of Control the Effect of Temperature for the Oxidation Process of Partially Synthetic Motor Oils

In exploitation of modern cars, there are cases of power unit failure due to a sharp deterioration in the properties of engine oil and loss of performance of the lubricant. The article describes the causes of failures of the engines of modern cars associated with the loss of the resource of oil in the engine and the processes occurring in the lubricant. They are increase of kinematic viscosity, decrease of Total Base Number, increase of the acid number, decrease of flash point, increase of water content, decrease of additives content, increase of wear products. Decrease in properties and motor oils lifetime was caused primarily by the deviation of the physicochemical parameters of applied motor gasoline beside regulatory petrol. The process and chemical reaction of sulfurous acid formation during engine operation are described. We have established a pattern of changes in physico-chemical parameters of motor oils in automotive gasoline sulfur compounds. Made quantification is produced by the combustion of 1 kg of gasoline sulfur acid. The low values of the loss of the alkaline number of motor oil, caused by the low sulfur content of the ecological class 5 gasoline, are a prerequisite for an increase periodicity of oil change in the operation of modern cars.

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Investigation of changes in the properties of engine oil depending on the sulfur content in gasoline

Khaziev

Laushkin

2020

IOP Conf. Ser.: Mater. Sci. Eng.

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ANALYSIS OF THE EFFICIENCY OF RAPID-TESTS TO DETERMINE THE TIME TO REPLACE USED ENGINE OIL

BULAUKA

MIALESHKA

2023

Herald of Polotsk State University. Series B. Industry. Applied

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The article presents the results of the analysis of the effectiveness of express tests for monitoring the current state of engine oil during the period of its operation in an internal combustion engine and determining the limit state of used engine oil. The results of diagnostics by physicochemical, rheological and optical methods of changing the state of fresh motor oil from the lubrication system of a diesel internal combustion engine at regular mileage intervals are presented. A software product project is proposed in the form of a mobile application for diagnosing the state of engine oil in the lubrication system of an internal combustion engine based on paper chromatography using a drop test, which will allow individual motorists to determine the need to replace used engine oil and, as a result, increase the period services of tribocouplings of a motor vehicle and will increase their overhaul period.

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Method of Control the Effect of Temperature for the Oxidation Process of Partially Synthetic Motor Oils

Cited by 2 publications

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Investigation of changes in the properties of engine oil depending on the sulfur content in gasoline

Investigation of changes in the properties of engine oil depending on the sulfur content in gasoline

ANALYSIS OF THE EFFICIENCY OF RAPID-TESTS TO DETERMINE THE TIME TO REPLACE USED ENGINE OIL

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