Comparative study of combustion and emissions of diesel engine fuelled with FAME and HVO

• Autorzy: Hunicz Jacek , Krzaczek Paweł , Gęca Michał , Rybak Arkadiusz , Mikulski Maciej

Identyfikatory

DOI

10.19206/CE-135066

• Języki publikacji: EN

Abstrakty

EN

This study investigates combustion and emission characteristics of a contemporary single-cylinder compression ignition engine fuelled with diesel, fatty acid methyl esters (FAME) and hydrotreated vegetable oil (HVO). These two drop-in fuels have an increasing share in automotive supply chains, yet have substantially different physical and auto-ignition properties. HVO has a lower viscosity and higher cetane number, and FAME has contrary characteristics. These parameters heavily affect mixture formation and the following combustion process, causing that the engine preoptimized to one fuel option can provide deteriorated performance and excess emissions if another sustainable option is applied. To investigate the scale of this problem, injection pressure sweeps were performed around the stock, low NOx and low PM engine calibration utilizing split fuel injection. The results showed that FAME and HVO prefer lower injection pressures than diesel fuel, with the benefits of simultaneous reduction of all emission indicators compared to DF. Additionally, reduction of injection pressure from 80 MPa to 60 MPa for biodiesels at low engine load resulted in improved brake thermal efficiency by 1 percentage point, due to reduced parasitic losses in the common rail system.

Słowa kluczowe

EN

diesel engine; renewable fuels; HVO; hydrotreated vegetable oil; emissions

PL

silnik Diesla; paliwa odnawialne; HVO; hydrorafinowany olej roślinny; emisje

• Wydawca: Polskie Towarzystwo Naukowe Silników Spalinowych
• Czasopismo: Combustion Engines
• Rocznik: 2021
• Tom: R. 60, nr 1
• Strony: 72--78
• Opis fizyczny: Bibliogr. 25 poz., 1 fot. kolor., wykr.

Twórcy

autor

Hunicz Jacek

• Faculty of Mechanical, Engineering, Lublin University of Technology

• https://orcid.org/0000-0002-0188-6419

autor

Krzaczek Paweł

• Faculty of Production Engineering, University of Life Sciences

• https://orcid.org/0000-0003-3055-1623

autor

Gęca Michał

• Faculty of Mechanical Engineering, Lublin University of Technology

• https://orcid.org/0000-0002-2226-1645

autor

Rybak Arkadiusz

• Faculty of Mechanical Engineering, Lublin University of Technology

• https://orcid.org/0000-0003-0159-2266

autor

Mikulski Maciej

• School of Technology and Innovation, Energy Technology, University of Vaasa

• https://orcid.org/0000-0001-8903-4693

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).