Restriction of the diesel fuel for road car in Europe, which have large emissions of nitrogen oxides, leads to the fact that such cars are increasingly imported into Ukraine. Transport with diesel engines is becoming one of the largest air pollutants in Ukraine from all road transport. The most common substitute for diesel fuel in Europe is biodiesel, which is usually added to diesel fuel. The use of biodiesel in road transport is associated with some increase in nitrogen oxides and fuel consumption. Biodiesel has a higher density and generally a higher cetane number and less calorific value than diesel. Fuel consumption for a vehicle, as a rule, is measured experimentally. But in the case of using new alternative fuels, an estimate of the consumption of this fuel compared to diesel fuel is required. Adaptations of fuel consumption models to alternative diesel fuels require additional research. The influence of the characteristics of alternative fuels on its consumption is not yet fully understood. Consequently, research in this area is quite relevant, especially during hostilities, when you need to save both fuel and energy spent on experimental research. The paper considers models of fuel consumption in application to alternative diesel fuels. The influence of characteristics of diesel biofuel on its consumption is analyzed. The values of cetane numbers, density and heat of combustion for molecules that make up diesel biofuel from utilized sunflower oil are calculated. New coefficients in the fuel consumption model are proposed, which show better coincidence with experimental data than the previous model. Energy consumption in case of using diesel fuel and biodiesel in road transport is also calculated.
Simulation of fuel consumption of alternative diesel fuels for road transport
2023
Article (Journal)
Electronic Resource
Unknown
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