Effect of Using Gasoline with Bioethanol on Power, Torque and Selected Exhaust Gas Components: Case Study of a Small Spark-Ignition Outboard Engine

• Autorzy: Zastempowski Marcin , Kaszkowiak Jerzy , Jablonicky Juraj , Hujo Lubomir , Gromnicki Michał

Identyfikatory

DOI

10.2478/pomr-2025-0009

• Języki publikacji: EN

Abstrakty

EN

This article presents a study of the relationship between power and torque for a small spark-ignition outboard engine depending on the fuel used. The fuels considered here were gasoline with an octane number of 95, bioethanol in pure form, and mixtures of both fuels. Also studied were selected components of the exhaust gas generated during operation of the engine for each fuel. The results showed a decrease in the power and torque with an increase in the bioethanol content of the fuel, thus confirming the possibility of using both a bioethanol additive and bioethanol itself as a fuel to power the engine. The findings of the study clearly indicate that the use of an additive in the form of plant-based fuel significantly affects the reduction of emissions of harmful substances into the environment, for example reducing CO emissions by 67%, and HC by 56%. However, without design changes to the power systems, the reduction in emissions is achieved at the cost of a drop in power of more than 30%. This topic is currently important due to the tightening of regulations on emissions and recent research and implementation by engine manufacturers related to the development of electric propulsion systems, particularly for smaller vessels. However, restrictions on their applicability result in a continued need to use internal combustion engines.

Słowa kluczowe

EN

biofuels; internal combustion engine; power; torque; emissions; environmental impact

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2025
• Tom: nr 1
• Strony: 95--102
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Zastempowski Marcin

• Bydgoszcz University of Science and Technology, Faculty of Mechanical Engineering, Bydgoszcz, Poland

• https://orcid.org/0000-0001-6492-6281

autor

Kaszkowiak Jerzy

• Bydgoszcz University of Science and Technology, Faculty of Mechanical Engineering, Bydgoszcz, Poland

• https://orcid.org/0000-0003-0796-2993

autor

Jablonicky Juraj

• Slovak University of Agriculture in Nitra, Bydgoszcz University of Science and Technology, Nitra, Slovakia

• https://orcid.org/0000-0003-4512-4675

autor

Hujo Lubomir

• University of Trenčín, Faculty of Special Technologies, Trencin, Slovakia

• https://orcid.org/0000-0002-5497-536X

autor

Gromnicki Michał

• Bydgoszcz University of Science and Technology, Faculty of Mechanical Engineering, Bydgoszcz, Poland

• https://orcid.org/0009-0007-6994-5183

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki i promocja sportu (2025).