Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30428
Title: Diesel engine gaseous and particle emissions fueled with diesel-oxygenate blends
Authors: Wang, X
Cheung, CS 
Di, Y
Huang, Z
Keywords: Diesel engine
Diesel-oxygenate blends
Gaseous and particle emissions
Issue Date: 2012
Publisher: Elsevier
Source: Fuel, 2012, v. 94, p. 317-323 How to cite?
Journal: Fuel 
Abstract: Experiments were conducted on a 4-cylinder direct-injection diesel engine using ultralow sulfur diesel blended with ethanol, biodiesel and diglyme to investigate the particulate emissions of the engine under five engine loads at the engine speed of 1800 rpm. Four diesel-ethanol blends with oxygen concentrations of 2%, 4%, 6% and 8%, five diesel-biodiesel blends and five diesel-diglyme blends with oxygen concentrations of 2%, 4%, 6%, 8% and 10% were studied. Results show that the particulate matter (PM) emission decreases with the increase of oxygenate content in the blends. Ethanol addition into diesel fuel increases HC, CO, NO x and NO 2 emissions and decreases particle number concentration. Diglyme addition into diesel gives an opposite trend to that of ethanol. Emissions of diesel-biodiesel lay between diesel-ethanol and diesel-diglyme. Under the same oxygen content, different oxygenates show different influence on emissions, particularly on PM reduction efficiency, indicating that the physical properties and chemical structure also influence the PM emissions. Diglyme addition into diesel fuel can simultaneously decrease PM and NO x emissions.
URI: http://hdl.handle.net/10397/30428
ISSN: 0016-2361
EISSN: 1873-7153
DOI: 10.1016/j.fuel.2011.09.016
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