Effects of Oxygen Content of Fuels on Combustion and Emissions of Diesel Engines

Haiwen Song, Kelly Sison Quinton, Zhijun Peng, Hua Zhao and Nicos Ladommatos
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Haiwen Song: Ford Motor Company, Dunton Technical Centre, Basildon SS15 6EE, UK
Kelly Sison Quinton: Ford Motor Company, Dunton Technical Centre, Basildon SS15 6EE, UK
Zhijun Peng: Key State Lab of Engines, Tianjin University, Tianjin 300072, China
Hua Zhao: School of Engineering and Design, Brunel University, Uxbridge UB8 3PH, UK
Nicos Ladommatos: Department of Mechanical Engineering, University College London, London WC1E 6BT, UK

Energies, 2016, vol. 9, issue 1, 1-12

Abstract: Effects of oxygen content of fuels on combustion characteristics and emissions were investigated on both an optical single cylinder direct injection (DI) diesel engine and a multi-cylinder engine. Three fuels were derived from conventional diesel fuel (Finnish City diesel summer grade) by blending Rapeseed Methyl Ester (RME) or Diglyme and Butyl-Diglyme of different quantities to make their oxygen content 3%, 3% and 9%, respectively. The experimental results with three tested fuels show that the fuel spray development was not affected apparently by the oxygenating. Compared with the base fuel, the ignition delay to pilot injection was shortened by 0%, 11% and 19% for three oxygenated fuels, respectively. The ignition delay to main injection was shortened by 10%, 19% and 38%, respectively. With regard to emissions, the smoke level was reduced by 24% to 90%, depending on fuel properties and engine running conditions. The penalties of increased NO x emissions and fuel consumption were up to 19% and 24%, respectively.

Keywords: oxygenated fuel; oxygen content; diesel fuel; NO x emissions; smoke (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: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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