vii. Click Apply and close the Curves dialog box.

k.Click Plot and close the File XY Plot dialog box.

Figure 14.10: Convergence History of Mass-Weighted Average CO2 on the Outlet

Despite the model differences, both models predicted similar mass-weighted average mass fractions of CO2 exiting the combustor during the steady-state. However, the steady diffusion flamelet model predicts less CO2 exiting the combustor and, due to its more realistic description of combustion kinetics, is considered to be more accurate.

You can perform further postprocessing of the solution results as shown in the following video:

• ANSYS Fluent: Basic Post-processing

14.6. Summary

In this tutorial, you have learned how to model the reacting flow through a can combustor using the eddy dissipation model and steady diffusion flamelet model in ANSYS Fluent. For more information about the theory behind these models, see ANSYS Fluent Theory Guide. For details about the usability of the models, see the ANSYS Fluent User's Guide.

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