Improving the modeling of the Fenestron® in the Eurocopter Simulation Tool

Abstract: The main objective of this study carried on among the Flight Mechanics and Loads department of Eurocopter Marignane was to analyze the existing model of the Fenestron named "type 2" and make a separation of the thrust created by the propeller and the one created by the shroud around it. The physics had to be brought back in this model to avoid using tuning parameters. The validity and the reliability of the modeling were then checked with flight tests, wind tunnel and CFD results analysis.