On the Use of LES and 3D Empirical Mode Decomposition for Analyzing Cycle-to-Cycle Variations of In-Cylinder Tumbling Flow

Autor: Zhihao Ding, Karine Truffin, Stéphane Jay, Marius Schmidt, Fabrice Foucher, Jacques Borée

Publikováno v: Flow, Turbulence and Combustion.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f101fe09efd48220a922565ecddcaefc
https://doi.org/10.1007/s10494-023-00405-6

Direct Numerical Simulations of high Karlovitz number premixed flames for the analysis and modeling of the displacement speed

Autor: Edouard Suillaud, Olivier Colin, Karine Truffin, Denis Veynante

Publikováno v: Combustion and Flame
Combustion and Flame, Elsevier, 2022, 236, pp.111770. ⟨10.1016/j.combustflame.2021.111770⟩

An a priori model for premixed turbulent flame combustion in the thin reaction zone (TRZ) regime is presented. This a priori model is deduced from the analysis of data from a series of direct numerical simulations (DNS) of stoichiometric ( ϕ = 1.0 )

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d0d65aa10b4d4549ec3c45962dd5d33
https://doi.org/10.1016/j.combustflame.2021.111770

Large-eddy simulation analysis of knock in a direct injection spark ignition engine

Autor: Nicolas Iafrate, Christian Angelberger, Stéphane Jay, Anthony Robert, Olivier Colin, Karine Truffin

Publikováno v: International Journal of Engine Research. 20:765-776

Downsized spark ignition engines running under high loads have become more and more attractive for car manufacturers because of their increased thermal efficiency and lower CO2 emissions. However, the occurrence of abnormal combustions promoted by th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f0e25c8a8192c7056d4a154c71a4651
https://doi.org/10.1177/1468087418796323

DNS and LES of spark ignition with an automotive coil

Autor: C. Lacour, Sophie Mouriaux, Bertrand Lecordier, Pierre Vervisch, Olivier Colin, Sergey Stepanyan, Martin Ritter, Karine Truffin

Publikováno v: Proceedings of the Combustion Institute
Proceedings of the Combustion Institute, Elsevier, 2019, 37 (4), pp.4875-4883. ⟨10.1016/j.proci.2018.08.021⟩

International audience; The cycle to cycle combustion variability which is observed in spark-ignition engines is often caused by fluctuations of the early flame development. LES can be exploited for a better understanding and mastering of their origi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84d052717a7dd18bbc21ed27a261541f
https://hal.archives-ouvertes.fr/hal-02018875/file/PROCI-S-17-00486-2.pdf

Auto-ignition model based on tabulated detailed kinetics and presumed temperature PDF – Application to internal combustion engine controlled by thermal stratifications

Autor: Olivier Colin, Karine Truffin

Publikováno v: International Journal of Heat and Mass Transfer. 54:4885-4894

The prediction of the auto-ignition sensitivity to the temperature in new engine combustors is a challenge in the community of numerical combustion. This paper is devoted to the modeling of temperature fluctuations for the simulation of reactive flow

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c36cee46f48e772e04689424395bda4b
https://doi.org/10.1016/j.ijheatmasstransfer.2011.06.044