Experimental Study on Emission Characteristics of Diesel Engines With Diesel Fuel Blended With Dimethyl Carbonate

Particulate Emission Characteristics of a Compression Ignition Engine Fueled with Diesel–DMC Blends

“…In comparison with the diesel fuel, the total particle number concentrations corresponding to the five different engine loads are reduced by 15-45%, 13-48%, 11-34%, 8-35%, and 9-24%, respectively, under different percentages of DMC in the blends. Effect of DMC on particle number concentration has also been investigated by Cheung et al (2005) on a single-cylinder diesel engine and a four-cylinder indirect injection diesel engine. For both engines, there was reduction of particle number concentration with the blended fuel.…”

“…Huang et al (2003) and Zhang et al (2005) investigated the combustion and emission characteristics of diesel engine fueled with diesel-DMC blends, and found that smoke emission can be reduced without sacrificing NO x emission and thermal efficiency. Cheung et al (2005) compared the emissions of an indirect injection diesel engine operating on ultra-low sulfur diesel oil with up to 30% by volume of DMC and found reduction in particulate number 138 R. ZHU ET AL. concentrations with the blended fuel.…”

Simultaneous optimization of smoke and NOx emissions in a stationary diesel engine fuelled with diesel–oxygenate blends using the grey relational analysis in the Taguchi method

“…4 The usage of oxygenated fuels to alter the chemical composition of diesel to reduce smoke or particulate matter (PM) emissions has generated a great deal of interest among researchers because this method does not require the engine to be geometrically modied. Blending oxygenates, such as ethers, esters, glycols, acetates, carbonates and alcohols, enhance combustion 5 and signicantly reduce smoke [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21] and sometimes even result in no smoke. 22,23 These oxygenates are generally known to decrease smoke emissions without affecting the performance of the engine.…”

“…22,23 These oxygenates are generally known to decrease smoke emissions without affecting the performance of the engine. [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] However, the literature detailing the impact of adding oxygenates to diesel on NO x levels shows conicting conclusions. Research has shown that there is an increase [9][10][11]22 or decrease 7,[12][13][14][15][16][17]26 or no change at all 8,[24][25][26][27] in NO x levels.…”

“…[7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] However, the literature detailing the impact of adding oxygenates to diesel on NO x levels shows conicting conclusions. Research has shown that there is an increase [9][10][11]22 or decrease 7,[12][13][14][15][16][17]26 or no change at all 8,[24][25][26][27] in NO x levels. It can also be inferred that even smokeless emissions have shown increased NO x levels.…”