A Brief Review on How to Make a Database for Flamelet Approach
2019
The simulation of turbulent combustion has been of more importance to develop practical combustors. The
flamelet (or tabulated chemistry) approach is one of the techniques to estimate combustion reaction rate and to describe
turbulent combustion field. This approach can reduce computational cost in comparison with the reduced reaction schemes
because the combustion reaction rate is just looked up from the pre-calculated database. The difficulty of the flamelet
approach comes from the variety of how to make this pre-calculated database. In the present study, we reviewed previous
researches in terms of the flamelet approach and summarized the ideas to make the database for the flamelet approach. First,
the fundamental combustion reaction models such as the detailed reaction model and skeletal model were introduced. And
then, how to generate the dataset for the database in flamelet, flamelet progress variable, and flamelet generated manifolds
models were mentioned. Moreover, how to process the dataset into the database for the turbulent combustion simulation was
pointed out. Finally, apart from making the database, the treatment of the database in the computational fluid dynamics was
described briefly.
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