Hydrogen and hydrogen-based fuels will play a role in a wide range of combustion applications for the restitution of the stored energy at the end of the hydrogen-based supply chain. Fuel flexibility will be an important characteristic of furnaces and combustion chambers used in the power production, steel, glass and cement industries, among others. The performances of retrofitted or new installations in terms of combustion efficiency and pollutant emissions require fundamental knowledge of the structure of the flame and the main chemical pathways at stake.

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In this PhD, we will investigate the combustion of gaseous fuels derived from green hydrogen by means of Computational Fluid Dynamic (CFD) simulations using advanced Large Eddy Simulation (LES) techniques combined with advanced chemical mechanisms reduction techniques. The main technical challenge will be to deliver accurate simulation results based on the state-of-the art chemical mechanisms within a reasonable computational time, for the relevant fuels and fuel mixtures. Conclusions will be drawn from these fundamental results for the modelling of the combustion processes in industrial applications.