The Performance of a Car with Various Engine Power Systems – Part I

Reducing exhaust emissions from motor vehicles has become a major task in the design of modern motor vehicles. Internal combustion engines, despite the increasingly frequent restrictions on, for example, entry to city centers, still constitute the majority of the used motor vehicles. For these reasons, it is very important to properly operate and control the used motor vehicles, especially in the field of exhaust emissions. One way is to replacement of the vehicle fleet and individual cars with newer generation vehicles. Unfortunately, due to economic differences in the world, the rolling stock replacement process is not the same in all countries. However, despite these differences, even in less developed countries, efforts are being made to reduce vehicle emissions. This work presents road, bench and computational comparative tests of the fuel, economic, environmental and energy characteristics of a series car with a standard carburetor supply system and equipped with an electronic gasoline injection system and a three-component catalyst under operating conditions.

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“…Many scientific works have been devoted to the issues of exhaust emissions, including [26][27][28][29][30].…”

Section: Introductionmentioning

confidence: 99%

“…For this causes, in this study, it was proposed to change the fuel supply system of a sparkignition engine operated in large numbers of older vehicles in Ukraine. The first part of the article [30], presents the theoretical basis, research methodology and a laboratory test stand, in this part we present the more obtained results.…”

Section: Introductionmentioning

confidence: 99%

The Performance of a Car with Various Engine Power Systems – Part II

Slavin¹,

Shuba

Caban

et al. 2022

LOGI – Scientific Journal on Transport and Logistics

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Smoke Formation during Combustion of Biofuel Blends in the Internal Combustion Compression Ignition Engine

et al. 2023

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The proposed changes to the legislation on diesel cars require intensification of work on the possibilities of reducing emissions of harmful substances into the atmosphere by these vehicles. The subject of experimental research included in the manuscript was the Skoda Octavia with a 1.9 TDI (turbocharged direct injection) compression ignition engine (type 1Z). Light absorption measurements of smokiness of the exhaust gases emitted after combustion of various biofuels (conventional diesel, pure hydrotreated vegetable oil, hydrotreated vegetable oil, biobutanol) and their blends with fossil diesel fuel were studied. The measured light absorption coefficient is the reciprocal of the thickness of the layer, after passing through which the light has a ten times lower intensity. Its unit is the reciprocal of the meter (1/m or m−1). The results obtained by means of a standard smokiness meter indicate that the use of biofuels or their blends, in general, reduces smoke formation.

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Research on the Effect of Road Height Profile on Fuel Consumption during Vehicle Acceleration

et al. 2022

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The presented article deals with research on the dependence between road vehicle fuel consumption and the longitudinal height profile of the road. The main research goal is to investigate the difference in fuel consumption during acceleration on different longitudinal profiles of the road (i.e., flat surface, downhill) based on the actual investigation. In the first part of the article, important factors influencing fuel consumption during vehicle acceleration are summarized and a review of literature dealing with this issue is carried out. The next part focuses on the very real-world measurement. In addition to fuel consumption, other parameters were recorded that could be detected by a professional measuring laboratory. In the final part of the article, all the recorded data are evaluated, compared with research question and an actual example is given. Based on the evaluation, it could be concluded that approx. 100 L of fuel can be saved in one week thanks to the implemented measures. Thereafter, recommended possibilities for further use of these findings in technical practice are outlined in the conclusion.

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The Performance of a Car with Various Engine Power Systems – Part I

Cited by 3 publications

References 31 publications

The Performance of a Car with Various Engine Power Systems – Part II

The Performance of a Car with Various Engine Power Systems – Part II

Smoke Formation during Combustion of Biofuel Blends in the Internal Combustion Compression Ignition Engine

Research on the Effect of Road Height Profile on Fuel Consumption during Vehicle Acceleration

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