Analysis of efficiency of the vehicle transport facilities powered with diesel oil with additive of biocomponent

Abstract

The prospect of renewable energy sources development to be used in transport originated form the tendency to limit the use of fossil fuels which leaves no choice but look for other possibilities to provide combustion engines with power supply. Use of fuel from renewable sources has also a positive influence on the environment and economy. The research object of the study was a power unit of a car transport means with a direct injection diesel engine, equipped with a common rail supply system. The tests were performed by the method of a laboratory experiment during which the experimental factor was controlled so that the experiment would be thoroughly scheduled. The method involved performing tests on a chassis dynamometer and measuring the power and torque depending on the engine rotary speed. Measurement of the power and the torque, in dependence on the crankshaft rotation speed of the engine, was performed for standard settings of the fuel injection controller. At the same time the impact of adding biocomponent to a fuel on its consumption values has been analysed. The tests also included an analysis of the exhaust fumes content: carbon monoxide, hydrocarbons, solid particulates and nitrogen oxide. The obtained results were analyzed and presented in the form of generalized conclusions concerning the impact of using various biocomponent additives in diesel engines including the impact on selected operational parameters of the vehicle, level of harmful substance emission and specific fuel consumption.