REASONING THE NECESSITY OF REGULATING THE OPERATION OF THE VEHICLES DIESEL COOLING SYSTEM
Journal Title: Автомобильный транспорт - Year 2018, Vol 43, Issue
Abstract
Problem. Modern requirements for internal combus-tion engines are becoming ever more stringent, and current trends require the manufacturer to have high power and economy. This pushes the manufac-turer to create and upgrade the design of the inter-nal combustion engine and its systems. Modern technologies allow the creation of high-tech inter-nal combustion engines with electronic control sys-tems that increase the efficiency of resource use, and improve environmental parameters. As a result, modern engines can dynamically change their pa-rameters and adjust to the needs of consumers. One of the main systems that affect the performance of an internal combustion engine is the cooling system. The regulation of the cooling system allows main-taining the optimum temperature of the coolant. The low or periodically increasing and decreasing tem-perature of the coolant and oil leads to such conse-quences as increased wear of parts in friction pairs, an increase in fuel consumption and ineffective op-eration of the cooling system. Goal. Analyze and justify the need to regulate the diesel engine cooling system of the road vehicles. Methodology. Based on the experimental data, an analysis of the change in the temperature of the heat transfer media was car-ried out and a comparison was made with the opti-mum recommended temperature. Result. It is deter-mined that with a change in the speed of the diesel engine's crankshaft and load, the temperature devi-ates, indicating that there are no measures aimed at regulating the temperature state of the diesel and the need to develop and implement a system for reg-ulating the temperature of the heat carriers of the internal combustion engine. Originality. Estimation of temperature condition and substantiation of the necessity to regulate temperatures of heat carriers was not applied earlier to a diesel engine of 5TDF type. Practical value. This assessment will lay the foundation for the rationale for the development of a cooling system control for domestic diesel engines of the 5TDF type.
Authors and Affiliations
A. P. Marchenko, A. Y. Fedorov, O. Y. Linkov, V. F. Klimov
Keywords
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