Research on the Combustion, Energy and Emission Parameters of Various Concentration Blends of Hydrotreated Vegetable Oil Biofuel and Diesel Fuel in a Compression-Ignition Engine

Alfredas Rimkus, Justas Žaglinskis, Saulius Stravinskas, Paulius Rapalis, Jonas Matijošius and Ákos Bereczky
Additional contact information
Alfredas Rimkus: Department of Automobile Engineering, Faculty of Transport Engineering, Vilnius Gediminas Technical University, J. Basanavičiaus Str. 28, LT-03224 Vilnius, Lithuania
Justas Žaglinskis: Laboratory of Waterborne Transport Technologies, Open Access Centre for Marine Research, Klaipėda University, H. Manto Str. 84, LT-92294 Klaipėda, Lithuania
Saulius Stravinskas: Department of Automobile Engineering, Faculty of Transport Engineering, Vilnius Gediminas Technical University, J. Basanavičiaus Str. 28, LT-03224 Vilnius, Lithuania
Paulius Rapalis: Marine Chemistry Laboratory, Open Access Centre for Marine Research, Klaipėda University, H. Manto Str. 84, LT-92294 Klaipėda, Lithuania
Jonas Matijošius: Institute of Mechanical Science, Faculty of Mechanical Engineering, Vilnius Gediminas Technical University Basanavičiaus str. 28, LT-03224 Vilnius, Lithuania
Ákos Bereczky: Department of Energy Engineering, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Bertalan Lajos Str. 4-6, Bldg. D. 208, H-1111 Budapest, Hungary

Energies, 2019, vol. 12, issue 15, 1-18

Abstract: This article presents our research results on the physical-chemical and direct injection diesel engine performance parameters when fueled by pure diesel fuel and retail hydrotreated vegetable oil (HVO). This fuel is called NexBTL by NESTE, and this renewable fuel blends with a diesel fuel known as Pro Diesel. A wide range of pure diesel fuel and NexBTL100 blends have been tested and analyzed: pure diesel fuel, pure NexBTL, NexBTL10, NexBTL20, NexBTL30, NexBTL40, NexBTL50, NexBTL70 and NexBTL85. The energy, pollution and in-cylinder parameters were analyzed under medium engine speed ( n = 2000 and n = 2500 rpm) and brake torque load regimes (30–120 Nm). AVL BOOST software was used to analyze the heat release characteristics. The analysis of brake specific fuel consumption showed controversial results due to the lower density of NexBTL. The mass fuel consumption decreased by up to 4%, and the volumetric consumption increased by up to approximately 6%. At the same time, the brake thermal efficiency mainly increased by approximately 0.5–1.4%. CO, CO 2 , NO x , HC and SM were analyzed, and the change in CO was negligible when increasing NexBTL in the fuel blend. Higher SM reduction was achieved while increasing the percentage of NexBTL in the blends.

Keywords: Compression-Ignition (CI) engine; hydrotreated vegetable oil (HVO); NexBTL; engine efficiency; engine pollution (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (18)

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