This paper presents an efficient approach to diesel engine combustion simulation that integrates detailed chemical kinetics into a quasidimensional fuel spray model. The model combines a discrete spray parcel concept to calculate fuel-air mixing with a detailed primary reference fuel chemical kinetic mechanism to determine species concentrations and heat release in time. Comparison of predicted pressure, heat release, and emissions with data from diesel engine experiments reported in the literature shows good agreement overall, and suggests that spray combustion processes can be predictively modeled without calibration of empirical burn rate constants at a significantly lower computational cost than standard multidimensional (CFD) tools.
Quasidimensional Modeling of Diesel Combustion Using Detailed Chemical Kinetics
Contributed by the Combustion and Fuels Committee of ASME for publication in the JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received July 25, 2016; final manuscript received December 30, 2016; published online March 21, 2017. Assoc. Editor: Nadir Yilmaz.
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Dobos, A. P., and Kirkpatrick, A. T. (March 21, 2017). "Quasidimensional Modeling of Diesel Combustion Using Detailed Chemical Kinetics." ASME. J. Eng. Gas Turbines Power. August 2017; 139(8): 081502. https://doi.org/10.1115/1.4035820
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