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SI engine fuel mixture type indicator and an assessment of its suitability of an economic driving style

Wołczyński Zbigniew, Żak Mikołaj

Combustion Engines

2021

R. 60, nr 4

69--76

The article presents the structure and a principle of operation of a simple indicator of the type of a fuel-air mixture supplying a spark-ignition engine with a direct fuel injection. The designed indicator was tested, as a result of which its correct operation was verified. By using information from the indicator, it was possible to assess its usefulness for assisting the driver in an economical driving style. Preliminary studies show that thanks to the use of the developed indicator, it is possible to save about 10% of fuel as a result of the correction of the economic driving style on the route selected for the purpose of this research paper. The target of this study was to confirm a noticeable reduction in fuel consumption when supplying the engine with a stratified mixture. In order to obtain more accurate data, the research should be extended to include a greater number of routes and its division into urban and non-urban areas.

„Ecodriving” jako sposób ograniczenia kosztów prywatnych i społecznych

Trela M.

Logistyka

2014

nr 4

4994--5000, CD6

Artykuł przedstawia podstawowe założenia ekonomicznego i ekologicznego stylu jazdy nazywanego „ecodriving” oraz korzyści z tego wynikające. Obliczono roczne jednostkowe korzyści prywatne i zewnętrzne dla różnych typów pojazdów, a także wskazano roczne potencjalne korzyści prywatne, zewnętrzne i społeczne w skali całej Polski. Na tej podstawie wyciągnięto wnioski dotyczące zasadności promowania i wykorzystywania „ecodrivingu”.

The article presents the basic principles of economic and ecological style of driving – “ecodriving” and the connected with it benefits. Moreover the article contains calculations of annual individual private and external benefits for different types of vehicles, and calculations of private, external and social annual potential benefits in Poland. On this basis, the conclusions concerning the validity of the promotion and use of “ecodriving” were drawn.