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Cfd simulations of high-pressure turbulent premixed flames
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About the CFD Simulations of High-Pressure Turbulent Premixed Flames Project
Computational fluid dynamics (CFD) simulations of high-pressure, turbulent premixed Bunsen flame experiments from the Paul Scherrer Institute (PSI). The Algebraic Flame Surface Wrinkling (AFSW) model was implemented in OpenFOAM, an open-source CFD solver. A two-dimensional axial-symmetric model with the standard k–ɛ turbulence model and wall functions was used for the numerical simulations. The simulations were performed for two fuel/air mixtures: 100% CH4 (methane) and 60% CH4 + 40% H2 (methane-hydrogen blend). Thermophysical and transport properties of the mixtures were calculated as a function of temperature using Cantera, an open-source suite for chemical kinetics, thermodynamics, and transport processes. The GRI-Mech 3.0 chemical mechanism was employed for these calculations. Case (Input) files of Ansys Fluent 19.R1 and OpenFOAM version 8 are attached for download. Moreover Python-based Cantera script to compute the thermophysical coefficients and molar weights of the unburnt and burnt mixture is also attached. The images, simulation input files and data used here are adapted from the work of: Joel Guerrero (2022) in the article titled 'Pressurized turbulent premixed CH4/H2/air flame validation using OpenFOAM' published in the AIP Advances. The source can be found at https://doi.org/10.1063/5.0098715 . The images, simulation input files and data are licensed under Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/).
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January 20th, 2025 Uploaded
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