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Flame Surface Density and Artificially Thickened Flame Combustion Models Applied to a Turbulent Partially-Premixed Flame
The Sydney Flame provides an excellent framework for systematic analysis of premixed, partially premixed and non-premixed methane/air combustion. It...
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Evolution of Flame Displacement Speed Within Flame Front in Different Regimes of Premixed Turbulent Combustion
A transport equation for the flame displacement speed evolution in premixed flames is derived from first principles, and the mean behaviours of the...
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The Effect of Lean Premixed Combustion on Thermoacoustic Instability in a Swirl Combustor
Combustion instability is a large amplitude oscillation of one or more natural acoustic modes of the combustion chamber. It is the outcome of...
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CO2 Dilution Effect of Methane Combustion at Premixed Model Gas Turbine Combustor
As a result of the climate crisis caused by energy efficiency and post-combustion emissions, the importance of studies on alternative fuels and...
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Implementation of the Filtered Turbulent Flame Model in Non-premixed Combustion Simulation
The interaction between flame and turbulence leads to challenging flame dynamics and modeling issues. In this work, a newly proposed filtered...
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Combustion and Radiation Modeling of Non-premixed Turbulent DLR-A Flame
In this work, combustion and radiation models are employed to simulate a non-premixed turbulent DLR-A flame in OpenFOAM. In a DLR-A flame, the...
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Towards the Optimization of the Piston Design for a Premixed Ammonia Combustion Engine with a CFD Modelling Approach
Today, the world is witnessing an energy transition driven by climate change. At its essence, there is the need to develop zero or low CO2 emissions...
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Bluff-Body Mild Combustion of a Premixed CH4/Air Jet in Hot Coflow
Industrial boilers and gas turbines traditionally use one bluff-body (BB) or more to create the recirculation zone for a stabilized flame. By...
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LES of Premixed Turbulent Combustion Using Filtered Tabulated Chemistry
The filtered tabulated chemistry (FTACLES) approach utilizes data from pre-tabulated explicitly filtered 1D flame profiles for closure of the...
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Experimental investigation of minimum total irreversibility in non-premixed combustion of different multi-branch burners by Taguchi analysis
Energy loss in combustion processes in industries is of great importance, and most of the loss occurs in the combustion chamber. The performance of a...
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Interactions Between Flame Topology and Turbulent Transport in High-Pressure Premixed Combustion
Direct numerical simulations of a turbulent premixed stoichiometric methane-oxygen flame were conducted. The chosen combustion pressure was 20 bar,...
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Second-order modeling of non-premixed turbulent methane-air combustion
The main purpose of this research is the second-order modeling of flow and turbulent heat flux in non-premixed methane-air combustion. A turbulent...
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Extension of the Spectral Difference Method to Premixed Laminar and Turbulent Combustion
A Spectral Difference (SD) algorithm on tensor-product elements which solves the reacting compressible Navier–Stokes equations is presented. The...
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DIH2jet (DI Hydrogen Combustion Process)
Hydrogen combustion engines are a viable solution for defossilizing mobility, mainly discussed in the heavy-duty sector. Conventional applications of...
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Multi-regime mixing modeling for local extinction and re-ignition in turbulent non-premixed flame by using LES/FDF method
Local extinction and re-ignition occur in turbulent non-premixed combustion when the Damköhler number is not large enough and the combustion is not...
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Simulating of non-premixed turbulent combustion using a presumed probability density function method
A Reynolds Averaged Navier–Stokes (RANS) modelling of a non-premixed turbulent CH 4 /H 2 /N 2 flame is considered. This turbulent flame is handled as an...
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A Lagrangian Analysis of Combustion Regimes Using Multi-modal Turbulent Combustion Model
High Reynolds number turbulent reacting flows poses a modeling challenge due to the multi-regime, mixed-mode nature of the combustion processes. This...
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Combustion in Diesel Fuelled Partially Premixed Compression Ignition Engines
Global concerns about depleting fuel reserves, environment degradation, and sustainability have motivated researchers to explore advanced combustion...
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Multiple Map** Conditioning Mixing Time Scales for Turbulent Premixed Flames
A novel multiple map** conditioning (MMC) mixing time scale model for turbulent premixed combustion has been developed. It combines time scales for...
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Optimizing thermal performance of a premixed hydrogen/air fueled micro-combustor with baffles
The micro-combustor serves as a critical component in the micro-thermal photovoltaic system (MTPV). In this study, a novel premixed hydrogen/air...