Some possibilities of dual fuelling supply diesel engines

• Autorzy: Stelmasiak Z.
• Języki publikacji: EN

Abstrakty

EN

In the paper are presented conditions for gaseous fuelling of different engine types: stationary engines and traction engines to trucks and passenger cars. On the base of performed investigations, one made comparison of operational costs of dual fuel gaseous engines and an engines with spark ignition system. In the analysis one took into consideration operation of an engine on natural gas, the most expensive gas, and on the mine gas, so called cheap gas. In case of stationary engines, the analysis showed considerable benefits of the dual fuel system comparing with spark ignition system. One confirmed considerable savings in purchasing costs of the fuels, regardless of size of initial dose and price of the gas. Earnings in purchase of the fuels increase together with growth of price of the gas and reduction of initial dose. In traction engines one should use the CNG or LNG gas. During transitional period of introduction of the gas one should implement systems with full interchangeability of fuelling with gaseous fuel and liquid fuel, both in compression ignition and spark ignition engines. Used in trucks, the dual fuel system gives substantial savings in operational costs and improves conditions of engine operation comparing to systems with spark ignition. In turn, in case of passenger car engines, due to size of the engines and different operational conditions, systems with spark ignition and so called flexi-fuel systems should be used. Due to it, gaseous fuelling in passenger cars should be first implemented in the engines with spark ignition system.

Słowa kluczowe

EN

natural gas; dual fuel engine; pilot dose; gas share; operating costs

• Wydawca: Faculty of Ocean Engineering and Ship Technology, Gdańsk University of Technology
• Czasopismo: Journal of Polish CIMAC
• Rocznik: 2013
• Tom: Vol. 8, no 2
• Strony: 79--90
• Opis fizyczny: Bibliogr. 14 poz., rys., wykr., fot.

Twórcy

autor

Stelmasiak Z.

• University of Bielsko-Biala, Internal Combustion Engines and Automobiles Branch ul. Willowa 2, 43-300 Bielsko-Biała, Poland

Bibliografia

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