Abstract
Starting a diesel engine at low ambient temperatures presents significant difficulties due to low temperature of the air charge; increased resistance due to increasing viscosity of the oil, turning the crankshaft and moving other kinematically connected parts; deterioration of fuel atomization conditions; enhanced heat transfer to the cylinder wall; loss of part of the air charge. This article is devoted to experimental studies on heating the air at the inlet of a small-sized 1H9,5/8,0 diesel engine with air cooling at ambient temperatures of -20 ° C, -40 ° C, -60 ° C. As the result of experimental studies, the time of stationary values of air temperature in the combustion chamber, as well as in the inlet and outlet pipes was determined. Temporal patterns of changes in air temperatures in the combustion chamber, in the inlet and outlet pipes when scrolling the diesel engine with a starter are obtained.
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