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Reliable prediction of spray penetration and spray break-up is required to achieve increases in fuel efficiency and reduction of emissions in diesel engines. Of particular interest is the early transient-flow regime. In the current work, diesel fuel spray development was studied using high-speed imaging of a high-pressure diesel common-rail fuel injector mounted in a spherical constant volume combustion...
The aim of the study was to evaluate the biodegradation extent of both aromatic and aliphatic hydrocarbon fractions in saturated sandy microcosm spiked with diesel/biodiesel blends (D, B10, B20, B30, B40, B50, B60, B70, B80, B90 and B100, where D is commercial petroleum diesel fuel and B is commercial biodiesel blend) augmented with a bacterial consortium of petroleum degraders. The biodegradation...
In this study a rapid and easily applicable method for the quantification of 2-ethylhexyl nitrate (2-EHN) in diesel fuel was developed and validated. This method employees Fourier transform infrared spectrometry with attenuated total reflectance (ATR–FTIR). Before the determination of 2-EHN content, could be made to be necessary to analyse the fatty acid methyl esters (FAME) content in diesel fuel...
The air motion generated by the dispersion of single and twin diesel sprays at ultra-high injection pressures is analyzed using computational fluid dynamics (CFD) modeling. Injection pressures up to 300MPa are used to generate the sprays in air at ambient densities of 15 and 30kg/m 3 at 298K. To validate the models, a single spray injected into an initially quiescent constant volume chamber...
A new multi-dimensional quasi-discrete model is suggested and tested for the analysis of heating and evaporation of Diesel fuel droplets. As in the original quasi-discrete model suggested earlier, the components of Diesel fuel with close thermodynamic and transport properties are grouped together to form quasi-components. In contrast to the original quasi-discrete model, the new model takes into account...
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