Performance of a direct injection diesel engine fuelled with a dimethyl ether/diesel blend
- 1 September 2003
- journal article
- research article
- Published by SAGE Publications in Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
- Vol. 217 (9) , 819-824
- https://doi.org/10.1177/095440700321700907
Abstract
A quantity of 10 per cent dimethyl ether (DME) was added to diesel fuel, and an investigation of the performance of a direct injection (DI) diesel engine fuelled with blend fuel was carried out. The test results showed that, in comparison with diesel operation, the torque at low engine speed was increased; the brake specific fuel consumption (b.s.f.c.) with speed characteristics at full load was reduced by 20 g/kW h on average; the smoke was reduced significantly, and the coeffcient of light absorption of smoke decreased by 50 per cent; the NOx and HC emissions were also clearly reduced, and the CO emission was at the same level as that of a diesel engine.Keywords
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