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reactinglefoam's Introduction

reactingLeFoam

OpenFOAM 8

An OpenFOAM reacting solver which takes the Lewis number of given species as user input. Developed by Bulut Tekgül & Heikki Kahila, Aalto University, Finland.

  • The fluxes for species mass fractions and enthalpy are given as:

equation

equation

where unity Lewis number assumption gives us the formulation exists within OpenFOAM, where species mass fraction flux is λ/cp and right hand side term in the enthalpy equation does not exist.

drawing
Figure: Validation of reactingLeFoam compared to standard reactingFoam, and Cantera results for a CH4/air flame at 1 atm.

  • This solver introduces this formulation back into species mass fraction and enthalpy equations. The Lewis number of a given specie is defined by the user. Undefined species automatically gets unity Lewis number.

  • Note that current OpenFOAM-dev branch (as of October 2020) includes a file structure which supports a multi-component mixture model, so this solver may be completely obsolete by the next stable release of OpenFOAM.

reactinglefoam's People

Contributors

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