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Performance of a Heavy Duty DME Diesel Engine – an Experimental Study

Henrik Salsing (Institutionen för tillämpad mekanik, Förbränning) ; Ingemar Denbratt (Institutionen för tillämpad mekanik, Förbränning)
SAE 2007 Commercial Vehicle Engineering Congress and Exhibition, Chicago October 2007 (2007)
[Konferensbidrag, refereegranskat]

Combustion characteristics of dimethyl ether, DME, have been investigated experimentally, in a heavy duty single cylinder engine equipped with an adapted common rail fuel injection system, and the effects of varying injection timing, rail pressure and exhaust gas recirculation on the combustion and emission parameters. The results show that DME combustion does not produce soot and with the use of exhaust gas recirculation NOX emissions can also be reduced to very low levels. However, high injection pressure and/or a DME adopted combustion system is required to improve the mixing process and thus reduce the combustion duration and carbon monoxide emissions.

Nyckelord: DME, Dimethyl ether, Combustion, Alternative fuel



Denna post skapades 2008-10-17.
CPL Pubid: 75792

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Förbränning (2007-2017)

Ämnesområden

Termisk energiteknik
Strömningsmekanik
Övrig teknisk mekanik

Chalmers infrastruktur

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DME Combustion in Heavy Duty Diesel Engines