Exergy analysis of combustion characteristics and NO_x emissions of a dual-fuel engine
by Mohamed H. Morsy; Abdelrahman El-Leathy; Arif Hepbasli
International Journal of Exergy (IJEX), Vol. 10, No. 4, 2012

Abstract: The combustion characteristics and NO_x emissions of compression ignition engines working on a dual fuel mode are investigated numerically and their exergetic efficiencies are determined. The model has been validated with available experimental results. The simulation results show that dual fuel engine combustion and trend of NO_x emissions are well predicted by the present model. Parametric study showed improvements in engine performance and an increase in NO_x emissions with decreased advanced injection timing of the pilot fuel as well as with increased intake temperature and pilot fuel quantity. The maximum values for energy and exergy are found to be comparable.

Online publication date: Mon, 25-Jun-2012

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