Kinetic modelling of a surrogate diesel fuel applied to 3D auto-ignition in HCCI engines.

Roda Bounaceur (1) , Pierre-Alexandre Glaude (1) , René Fournet (1) , Frédérique Battin-Leclerc (1) , S. Jay (2) , A. Pires da Cruz (2)

1 DCPR - Département de Chimie Physique des Réactions
2 IFPEN - IFP Energies nouvelles

The prediction of auto-ignition delay times in HCCI engines has risen interest on detailed chemical models. This paper described a validated kinetic mechanism for the oxidation of a model Diesel fuel (n-decane and α-methylnaphthalene). The 3D model for the description of low and high temperature auto-ignition in engines is presented. The behavior of the model fuel is compared with that of n-heptane. Simulations show that the 3D model coupled with the kinetic mechanism can reproduce experimental HCCI and Diesel engine results and that the correct modeling of auto-ignition in the cool flame region is essential in HCCI conditions.

Mots clés: HCCI engines; Diesel fuels; n-decane; α-methylnaphthalene; auto-ignition; HCCI engines.

Domaines: Chimie-Physique [physics.chem-ph]

Roda Bounaceur, Pierre-Alexandre Glaude, René Fournet, Frédérique Battin-Leclerc, S. Jay, et al.. Kinetic modelling of a surrogate diesel fuel applied to 3D auto-ignition in HCCI engines.. International Journal Vehicle Design, 2007, 44 (1/2), pp.124 - 142. ⟨hal-00139845⟩