Improved Blade Stall Predictions

Results with the Proposed length scale:

 

RANS                                                        DDES                                              DDES (new length scale)

More Details

              Improved drag and moment predictions

• RANS  dramatically over-predicts eddy viscosity
• DDES-SSM: lowest eddy viscosity values
• Leading edge separation near transition location
• DDES-Max: separation starts near trailing edge