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ISSN Печать: 2150-3621
ISSN Онлайн: 2150-363X
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EXPERIMENTAL INVESTIGATION OF NATURAL GAS COMBUSTION IN OXYGEN/EXHAUST GAS MIXTURES FOR ZERO EMISSIONS POWER GENERATION
Краткое описание
"Zero Emissions" gas turbine processes allow the generation of electrical energy without emission of CO2 to the environment. The cost of removing CO2 from combustion exhaust gases can be significantly reduced if an oxygen/exhaust gas mixture replaces the oxidant air. Combustion is thus carried out in a nearly stoichiometric natural gas/O2 mixture heavily diluted in CO2 and water vapor. The influence of this high exhaust gas dilution on the stability of natural gas combustion is investigated in this study, using both diffusion and lean-premix combustion technologies. Experiments were performed at atmospheric pressure and conditions (inlet temperatures of 450°C and 550°C, velocities, fuel concentration) relevant to gas turbines.