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RISAn Optimized and Reduced Chemical Kinetic Model for Hydrogen and Natural Gas Blends Combustion in Industrial Gas Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Natural gas is one of the common fuels that is used in gas turbines for power generation. Due to its interest in power generation and other applications, there are several chemical kinetic models available in the literature ...
Measurements of Density and Sound Speed in Mixtures Relevant to Supercritical CO2 Cycles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of this research is to validate properties of mixtures relevant to supercritical carbon dioxide (sCO2) power cycles. Direct-fired sCO2 cycles are a promising technology for the future power generation systems. ...
Extended Testing of the Auto-Ignition Characteristics of Hydrogen–Natural Gas Mixtures for the Safety of Power Plants
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A successful transition to global clean energy hinges on meeting the world’s growing demand for power, while at the same time reducing greenhouse gas emissions. Achieving this will require significant growth in electricity ...
Laser Ignition and Flame Speed Measurements in Oxy Methane Mixtures Diluted With CO2
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ignition and flame propagation in methane/O2 mixtures diluted with CO2 are studied. A laser ignition system and dynamic pressure transducer are utilized to ignite the mixture and to record the combustion pressure, respectively. ...
Planar Laser Induced Fluorescence Experiments and Modeling Study of Jets in Crossflow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Planar laserinduced fluorescence (PLIF) with acetone seeding was applied to measure the scalar fields of an axisymmetric freejet and an inclined jet in crossflow as applicable to film cooling. From the scalar fields, ...
Influence of Equation-of-States on Supercritical CO2 Combustion Mixtures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fossil fuel based direct-fired supercritical CO2 (sCO2) cycles are gaining the attention of industry, academia, and government due to their remarkable efficiency and carbon capture at high-source temperatures. Modeling ...
Probing the Effects of NOx and SOx Impurities on Oxy-Fuel Combustion in Supercritical CO2: Shock Tube Experiments and Chemical Kinetic Modeling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The direct-fired supercritical carbon dioxide cycles are one of the most promising power generation methods in terms of their efficiency and environmental friendliness. Two important challenges in implementing these cycles ...
Development of Detailed and Reduced Chemical Kinetic Models for Ammonia Gas Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The power generation sector has been recently moving toward decarbonization, and there is an increased interest in replacing conventional fossil fuels with fuels that produce reduced/zero carbon emissions. One such fuel ...
Flame Speed Measurements of Ammonia–Hydrogen Mixtures for Gas-Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent findings from the U.S. Energy Information Administration project an increase in domestic fossil fuel consumption (e.g., petroleum and natural gas) and global greenhouse gas emissions through 2050 (Nalley, S., 2021, ...
Shock Tube Demonstration of Acousto-Optically Modulated Quantum Cascade Laser as a Broadband, Time-Resolved Combustion Diagnostic
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We provide the first demonstration of an acousto-optically modulated quantum cascade laser (AOM QCL) system as a diagnostic for combustion by measuring nitric oxide (NO), a highly regulated emission produced in gas turbines. ...