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RISBoundary Layer Flashback Limits of Hydrogen-Methane-Air Flames in a Generic Swirl Burner at Gas Turbine-Relevant Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Operating stationary gas turbines on hydrogen-rich fuels offers a pathway to significantly reduce greenhouse gas emissions in the power generation sector. A key challenge in the design of lean-premixed burners, which are ...
Turbulent Flame Speed and Flame Characteristics of Lean Premixed H2-CH4 Flames at Moderate Pressure Levels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Carbon dioxide emissions in gas turbine power generation can be reduced by adding an increasing amount of hydrogen to the existing natural gas-fueled combustion systems. To enable safe operation, more insight on how H2 ...
Quantification of Mixing Quality Effects on Flashback Limits for H2-Rich Fuel Gases in Lean Premixed Combustion Using Laser-Induced Fluorescence of Acetone
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the main challenges arising from hydrogen-rich fuel mixtures is to prevent flame flashback. In typical gas turbines, the fuel is commonly injected through holes in the axial swirler vanes to achieve a high mixing ...
Turbulent Flame Speed as an Indicator for Flashback Propensity of Hydrogen Rich Fuel Gases
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The turbulent flame speed (ST) is proposed to be an indicator of the flashback propensity for hydrogenrich fuel gases at gas turbine relevant conditions. Flashback is an inevitable issue to be concerned about when introducing ...