Empirical soot formation and oxidation model

Thermal Science

Kadja Mahfoud¹  Boussouara Karima² 

[1] Laboratory of mechanic University of Constantine, Algeria;Laboratory of mechanic, University of Constantine, Algeria;

关键词: flame;    turbulence;    modelling;    soot formation and oxidation;   

DOI  :  10.2298/TSCI0903035B

来源: DOAJ

【 摘 要 】

Modelling internal combustion engines can be made following different approaches, depending on the type of problem to be simulated. A diesel combustion model has been developed and implemented in a full cycle simulation of a combustion, model accounts for transient fuel spray evolution, fuel-air mixing, ignition, combustion, and soot pollutant formation. The models of turbulent combustion of diffusion flame, apply to diffusion flames, which one meets in industry, typically in the diesel engines particulate emission represents one of the most deleterious pollutants generated during diesel combustion. Stringent standards on particulate emission along with specific emphasis on size of emitted particulates have resulted in increased interest in fundamental understanding of the mechanisms of soot particulate formation and oxidation in internal combustion engines. A phenomenological numerical model which can predict the particle size distribution of the soot emitted will be very useful in explaining the above observed results and will also be of use to develop better particulate control techniques. A diesel engine chosen for simulation is a version of the Caterpillar 3406. We are interested in employing a standard finite-volume computational fluid dynamics code, KIVA3V-RELEASE2.

【 授权许可】

Unknown