Percorrer por autor "Santos, Daniela Filipa Martins"
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- Combustion of CH4, H2, and CH4 -H2 Mixtures in a Gas Turbine Can CombustorPublication . Santos, Daniela Filipa Martins; Brojo, Francisco Miguel Ribeiro ProençaThe fact that there is an increase in the price of fossil fuels, and that environmental changes are occurring due to pollutant emissions, makes it imperative to find alternative fuels that are less polluting and cheaper. Gas turbines have been particularly developed as aviation engines, but nowadays they can find applicability in many areas and the fact that they have multiple fuel applications, makes them a very important subject of study. The main objective of this dissertation is to evaluate through a CFD analysis on FLUENT the performance of the combustion in a gas turbine can combustor, fed with methane, hydrogen and methane-hydrogen mixtures taking a particular interest in the pollutants emissions. In the end a fuel optimization was carried on to evaluate the average mass fraction of the pollutants CO, CO2 and NOx at the exit of the can combustor, and also a brief evaluation of the static temperature and pressure, and velocity magnitude in the several CFD simulations was executed.