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RISFlow Field and Flame Dynamics of Swirling Methane and Hydrogen Flames at Dry and Steam Diluted Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The majority of recent stationary gas turbine combustors employ swirling flows for flame stabilization. The swirling flow undergoes vortex breakdown (VB) and exhibits a complex flow field including zones of recirculating ...
Laminar Burning Velocities and Emissions of Hydrogen–Methane–Air–Steam Mixtures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Humidified gas turbines using steam generated from excess heat feature increased cycle efficiencies. Injecting the steam into the combustor reduces NOx emissions, flame temperatures, and burning velocities, promising a ...
Large Eddy Simulations of Hydrogen Oxidation at Ultra Wet Conditions in a Model Gas Turbine Combustor Applying Detailed Chemistry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Humidified gas turbines (HGT) offer the attractive possibility of increasing plant efficiency without the cost of an additional steam turbine as is the case for a combined gassteam cycle. In addition to efficiency gains, ...
Influence of Pressure and Steam Dilution on NOx and CO Emissions in a Premixed Natural Gas Flame
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the current study, the influence of pressure and steam on the emission formation in a premixed natural gas flame is investigated at pressures between 1.5 bar and 9 bar. A premixed, swirlstabilized combustor is developed ...