Abstract
A steady computational fluid dynamics (CFD)-flamelet/progress-variable (FPV) model is implemented for the simulation of a gasifier. In this model, the open source code OpenFOAM is used to solve the partial differential equations of mass, momentum, turbulence, fuel mixture fraction mean of fuel and its variance, mean mixture fraction of steam, and progress variable. On the other hand, the species mass fractions are retrieved from a precomputed flamelet look-up table. Finally, the simulation results obtained with the steady CFD–FPV are compared to the available pilot plant data. The flame zone shifts toward the inlet when using the FPV model compared to the standard flamelet model without the progress variable. In both models, the observed outlet values are in reasonably good agreement with the experimental values.
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