Article

Received 25.03.2022

Revised 25.07.2022

Accepted 22.08.2022

Retrieved from Vol. 26, No. 3, 2022

Pages 163 -171

Kovbasenko, S., Buhryk, О., Simonenko, V., & Moroz, V. (2022). Determination of rational parameters of diesel use biofuels from disposed waste of food fats. The National Transport University Bulletin, 26(3), 163-171. https://doi.org/10.33744/2308-6645-2022-3-53-163-171

Determination of rational parameters of diesel use biofuels from disposed waste of food fats

S. Kovbasenko О. Buhryk V. Simonenko V. Moroz

The object of the study is the influence of the mixture composition and temperature of diesel biofuel from recycled food fat waste on the operation of motor vehicle diesel engines. The purpose of the work is to determine the rational parameters for the use of diesel biofuel from recycled food fat waste, in particular, the influence of the composition of the mixture and fuel temperature on the performance of motor vehicles with diesel engines. The article discusses ways to optimize the properties of diesel biofuels. The main physico-chemical properties of diesel biofuel differ from those of mineral diesel fuel, and the usual mixing of the two fuels does not provide the necessary physico-chemical properties and reduces the fuel efficiency of the engine. In order to ensure the necessary viscosity-temperature indicators of diesel biofuels, studies were carried out to determine the appropriate temperature and rational composition of the mixture. For this, studies were conducted to determine the change in kinematic viscosity as a function of temperature for standard diesel fuel, methyl ether of fatty acids and mixed fuels with its 10, 20 and 30% content. The rational composition of a diesel biofuel mixture of 80% diesel fuel and 20% methyl ether of fatty acids was established. In order to ensure the necessary viscosity-temperature parameters of the mixed biofuel, the fuel temperature in the high-pressure fuel pump must be within 55-60°С. That is why a diesel fuel system with an additional liquid-type fuel heater was developed. This system will allow to expand the limits of the use of biofuels with different physical and chemical properties. The performance of the power supply system of the multi-fuel engine has been checked and confirmed by operational tests.

 

diesel biofuel; rational parameters; mixture composition; fuel temperature; power supply system
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https://doi.org/10.33744/2308-6645-2022-3-53-163-171