Browsing by Author "Driss, Z."

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    CFD Study of Methane-Hydrogen Behavior in a Non-Premixed Combustion Chamber
    (University of eloued جامعة الوادي, 2017-11-26) Attia, M. E. H.; Boukhari, A.; Bouras, F.; Driss, Z.
    In this paper, the numerical results of the study of a turbulent flame of methane-hydrogen/air generated by a cylindrical burner are presented. The numerical simulations are carried out using the CFD code "FLUENT" and "Gambit" for the meshing process. The finite volume method was used to solve the Navier-Stokes equations governing the flow. The coupling of the LES/PDF models is used to model the turbulence/chemistry interaction in the system's transport equations. The results of the calculations are expressed and analyzed in terms of axial velocity, temperature and mass fraction of carbon monoxide CO. The results of the numerical calculations are compared and validated against experimental data. In addition, the same parameters considered above are used in the study of the combustion behavior of CH4 /H2 fuels. The obtained results confirm the fact of considering hydrogen as a clean nonpolluting fuel compared to methane, since it has no carbon monoxide emissions in combustion products. Besides this fact, the hydrogen gas velocity in the flame is significantly higher by comparing it to the methane gas velocity