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Simulations using RSM was compared to results from the current k-epsilon realizable (rke) model.
Methods and Procedures
Click here for a Report summary describing all modeling parameters.FlUENT settings can be found in the report summaries for k-epsilon realizable model and Reynolds stress model
Note that as opposed to k-epsilon realizable solver, RSM is quite sensitive to different specification methods of both inlet and outlet boundary conditions.
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Results and Discussion
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A comparison of the contours of energy dissipation contours rate, stream function and static pressure from RSM and rke is are shown below.
Energy dissipation map from Reynolds Stress Model (2D)
Energy dissipation map from Reynolds Stress Model (2D)
As shown above, results from the two turbulence models appear similar in terms of the lengths and shapes of the energy dissipation zone and the range of the energy dissipation value, while more detailed minor discrepancies indicates the differences of the two models in terms of their underlying assumptions and methodology.
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