Experimental investigation on lubricity of 2,5-dimethylfuran blends
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Publication date: 2012-02-01
Combustion Engines 2012,148(1), 2-10
Spark ignition engines fuelled with alternative fuels are the topic of many studies. As alternatives for gasoline, ethanol and recently 2,5-dimethylfuran (DMF) have been investigated for their different properties. Lubricity analysis of fuels in fuel systems is vital because of the lubricating role of fuel. Lubricity of gasoline and its alternatives became important since introduction of direct-injection gasoline fuel pump with high injection pressure becoming closer to diesel pumps. Therefore, this work examines the lubricity properties of gasoline and its blends with alternative fuels using a HFRR lubricity test rig. Results showed that DMF as an additive to gasoline improved the lubricity of blend; this effect was increasing with the percentage of DMF. These results can be compared with DMF-ethanol blends which displayed the same pattern but with lower enhancing role of DMF. The DMF fuel was kept in storage for seven months and then the same experiments were repeated (DMF Ageing). Smaller wear scar and better lubricity effects were achieved by using the aged DMF. These results highlight the potential of DMF to become an additive for gasoline and its alternatives.
Blending Real World Gasoline with Biofuel in a Direct Conversion Process
Edward Nürenberg, Philipp Schulze, Frank Kohler, Marius Zubel, Stefan Pischinger, Ferdi Schüth
ACS Sustainable Chemistry & Engineering
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