Quasidimensional Modeling of Diesel Combustion Using Detailed Chemical Kinetics

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Quasidimensional Modeling of Diesel Combustion Using Detailed Chemical Kinetics

Quasidimensional Modeling of Diesel Combustion Using Detailed Chemical Kinetics

Dobos, Aron P

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.

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Title :

Quasidimensional Modeling of Diesel Combustion Using Detailed Chemical Kinetics

Contributors:

Dobos, Aron P (author) / Kirkpatrick, Allan T

Published in:

Journal of engineering for gas turbines and power ; 139 , 8

Publication date :

2017

ISSN :

DOI :

https://doi.org/10.1115/1.4035820

Type of media :

Article (Journal)

Type of material :

Print

Language :

English

Keywords :

Zeitschrift , Gastechnik , Gasturbine

Classification :

BKL:

52.30 / 52.52 / 52.52 Thermische Energieerzeugung, Wärmetechnik / 52.30 Strömungskraftmaschinen, Turbomaschinen

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