Study on the Effect of High-Concentration Oxygen Enrichment on Engine Performance and Exhaust Emissions Using Diesel Fuel and Palm Biodiesel Substitute Fuel

Fariza Almira Ghany, Bambang Wahono (), Achmad Praptijanto, Yanuandri Putrasari, Ahmad Dimyani, Arifin Nur, Suherman, Mulia Pratama and Muhammad Khristamto Aditya Wardana
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Fariza Almira Ghany: Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
Bambang Wahono: Research Center for Smart Mechatronics, National Research and Innovation Agency, KST Samaun Samadikun Jl. Sangkuriang, Dago, Coblong, Bandung 40135, Indonesia
Achmad Praptijanto: Research Center for Smart Mechatronics, National Research and Innovation Agency, KST Samaun Samadikun Jl. Sangkuriang, Dago, Coblong, Bandung 40135, Indonesia
Yanuandri Putrasari: Research Center for Smart Mechatronics, National Research and Innovation Agency, KST Samaun Samadikun Jl. Sangkuriang, Dago, Coblong, Bandung 40135, Indonesia
Ahmad Dimyani: Research Center for Smart Mechatronics, National Research and Innovation Agency, KST Samaun Samadikun Jl. Sangkuriang, Dago, Coblong, Bandung 40135, Indonesia
Arifin Nur: Research Center for Smart Mechatronics, National Research and Innovation Agency, KST Samaun Samadikun Jl. Sangkuriang, Dago, Coblong, Bandung 40135, Indonesia
Suherman: Research Center for Smart Mechatronics, National Research and Innovation Agency, KST Samaun Samadikun Jl. Sangkuriang, Dago, Coblong, Bandung 40135, Indonesia
Mulia Pratama: Research Center for Smart Mechatronics, National Research and Innovation Agency, KST Samaun Samadikun Jl. Sangkuriang, Dago, Coblong, Bandung 40135, Indonesia
Muhammad Khristamto Aditya Wardana: Research Center for Smart Mechatronics, National Research and Innovation Agency, KST Samaun Samadikun Jl. Sangkuriang, Dago, Coblong, Bandung 40135, Indonesia

Energies, 2024, vol. 17, issue 1, 1-16

Abstract: Air pollution remains a big issue in many countries. One form of air pollution comes from the use of fossil fuels as the primary fuel in the power generating and transportation sectors. Diesel engines are employed in a variety of industries due to their dependability, durability, and efficiency. Enhancing the availability of oxygen within the combustion chamber is one technique for reducing exhaust gas emissions and optimizing diesel engine combustion. The aim of this study is to investigate how oxygen enrichment in diesel engines with diesel fuel and biodiesel affects their performance and emissions. The modeling in this research was carried out using AVL BOOST version 2011 software based on experimental results of the YANMAR TF 155 R-DI diesel engine at 1200 rpm with and without oxygen enrichment. Modeling was performed based on the baseline parameter of a diesel engine with gradual loads at 50%, 75%, and 100%. The oxygen concentration was increased to 30.6%, 37.8%, 45%, and 54% by mass. The results show an increase in the maximum heat release rate (HRR) and the mass fraction burned (MFB) up to 90% for both fuels. The peak heat release rate of biodiesel shifts around 6 J/degree and the brake-specific fuel consumption (BSFC) is up to 0.0035 kg/kWh higher than that of diesel fuel. When compared to diesel fuel, the thermal efficiency and BSFC of biodiesel usage are around 0.3% and 0.028 kg/kWh, respectively. NO x emissions increase due to higher combustion temperatures and more oxygen availability. Biodiesel emits 50% less NO x than diesel fuel, presumably due to a lower combustion temperature. As a result, while high-concentration oxygen enrichment improves combustion and lowers soot emissions, it raises NO x emissions. Soot emissions were reduced as a result of the enhanced combustion process, while NO x emissions rose due to higher combustion temperatures and increased oxygen availability.

Keywords: diesel engine; oxygen enrichment; AVL BOOST; biodiesel; emissions (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: 2024
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