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RISEllipsometric Measurements of the Thermal Stability of Alternative Fuels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thermal stability is an important characteristic of alternative fuels that must be evaluated before they can be used in aviation engines. Thermal stability refers to the degree to which a fuel breaks down when it is heated ...
An 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 ...
Large Eddy Simulation of an Enclosed Turbulent Reacting Methane Jet With the Tabulated Premixed Conditional Moment Closure Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The tabulated premixed conditional moment closure (TPCMC) method has been shown to provide the capability to model turbulent, premixed methane flames with detailed chemistry and reasonable runtimes in Reynoldsaveraged ...
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. ...
Experimental Ignition Delay Time Measurements and Chemical Kinetics Modeling of Hydrogen/Ammonia/Natural Gas Fuels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In recent years, hydrogen-carrying compounds have accrued interest as an alternative to traditional fossil fuels due to their function as zero-emission fuels. As such, there is interest in investigating hydrogen-carrying ...
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. ...
High Pressure Shock Tube Ignition Delay Time Measurements During Oxy-Methane Combustion With High Levels of CO2 Dilution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ignition delay times and methane species time-histories were measured for methane/O2 mixtures in a high CO2 diluted environment using shock tube and laser absorption spectroscopy. The experiments were performed between ...
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, ...
Prechamber Equipped Laser Ignition for Improved Performance in Natural Gas Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Lean-burn operation of stationary natural gas engines offers lower NOx emissions and improved efficiency. A proven pathway to extend lean-burn operation has been to use laser ignition (LI) instead of standard spark ignition ...