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RISComparative Analysis of Chemical Kinetic Models Using the Alternate Species Elimination Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A major thrust in combustion research is the development of chemical kinetic models for computational analysis of various combustion processes. Significant deviations can be seen when comparing predictions of these models ...
Quantifying the Effect of Kinetic Uncertainties on NO Predictions at Engine-Relevant Pressures in Premixed Methane–Air Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Accurate and robust thermochemical models are required to identify future low-NOx technologies that can meet the increasingly stringent emissions regulations in the gas turbine industry. These mechanisms are generally ...
Bayesian Calibration of Kinetic Parameters in the CH Chemistry Toward Accurate Prompt-NO Modelling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Significant efforts made by the gas turbine industry have helped reduce nitrogen oxides (NOx) emissions considerably. To meet and surpass the increasingly stringent regulations, accurate and robust thermochemical mechanisms ...
NOx Emissions Modeling and Uncertainty From Exhaust Gas Diluted Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Oxides of nitrogen (NOx) are pollutants emitted by combustion processes during power generation and transportation that are subject to increasingly stringent regulations due to their impact on human health and the environment. ...
Fuel Variation Effects in Propagation and Stabilization of Turbulent Counter-Flow Premixed Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Sensitivity to stretch and differential diffusion of chemical species are known to influence premixed flame propagation, even in the turbulent environment where mass diffusion can be greatly enhanced. In this context, it ...
Measurements of the reactivity of premixed, stagnation, methane-air flames at gas turbine relevant pressures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The adiabatic, unstrained, laminar flame speed, SL, is a fundamental combustion property, and a premier target for the development and validation of thermochemical mechanisms. It is one of the leading parameters determining ...
Impact of Boundary Condition and Kinetic Parameter Uncertainties on NOx Predictions in Methane–Air Stagnation Flame Experiments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A comprehensive understanding of uncertainty sources in experimental measurements is required to develop robust thermochemical models for use in industrial applications. Due to the complexity of the combustion process in ...
Effect of High Pressures on the Formation of Nitric Oxide in Lean, Premixed Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Increasingly stringent regulations are imposed on nitrogen oxides emissions due to their numerous negative impacts on human health and the environment. Accurate, experimentally validated thermochemical models are required ...
Characterization of a Novel Additive Manufacturing Micromix Nozzle Burning Methane to Hydrogen
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As the energy landscape transitions to low/zero-carbon fuels, gas turbine manufacturers are targeting fuel flexible operation with natural gas, syngas, and hydrogen-enriched mixtures. Having a single geometry that can ...
Large Eddy Simulation of a Pressurized, Partially Premixed Swirling Flame With Finite-Rate Chemistry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Finite-rate chemical effects at gas turbine conditions lead to incomplete combustion and well-known emissions issues. Although a thin flame front is preserved on an average, the instantaneous flame location can vary in ...