Abstract
The most desirable effect of motorization development is obtainment of high performance power units. Ecological requirements, however, and exhaustibility of the earth natural resources limit the possibilities of self-ignition engines. The study presents analyses of power and torque of a self-ignition engine fueled with mixtures of diesel and fatty acid methyl esters. The tests show that application of a biocomponent additive to diesel fuel slightly reduces the value of power and torque of the tested vehicle. Moreover, as proven by other tests, application of such mixtures causes an increase in the number of components in the exhaust gases and emission of sound generated by a power unit. The study shows only some of the tests performed to reflect significant performance parameters of transport means.
Highlights
A mixture of aromatic, paraffine and naphthalene hydrocarbons which are emitted from petroleum in the process of distillation, is a fuel used for powering of self-ignition combustion piston engines [1]
Apart from diesel fuel, the material used in the tests were plant oils after transesterification involving chemical exchange of glycerin bound in a triacylglycerol particle with an added methyl alcohol, in the presence of a base or acid catalyzer, commonly referred to as biocomponents
In the regression analysis, the percentage share of fatty acid methyl esters in diesel fuel must be considered as independent variables and particular values of the power unit performance parameters as dependent variables
Summary
A mixture of aromatic, paraffine and naphthalene hydrocarbons which are emitted from petroleum in the process of distillation, is a fuel used for powering of self-ignition combustion piston engines [1]. Rectification of petroleum in temperature 300°C allows to obtain pure diesel fuel which is further subjected to the processes of reforming and isomerization [1] This is a standard mixture used for powering of self-injection engines. Tests of performance parameter characteristics of self-ignition engines powered with plant oil or a mixture of fatty acid methyl esters have been conducted. Literature provides results of numerous fuel consumption tests whose authors report an increased demand for fuel containing a mixture of diesel and fatty acid methyl esters to power self-injection engines [10, 11]. The goal of the tests was to compare selected performance parameters of a self- ignition engine with mixtures of diesel fuel and fatty acid methyl esters
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