Aerodynamic Modeling of Propeller Forces and Moments at High Angle of Incidence

Yuchen Leng (1) , Heesik Yoo (1) , Thierry Jardin (2) , Murat Bronz (2) , Jean-Marc Moschetta (1)

1 ISAE-SUPAERO - Institut Supérieur de l'Aéronautique et de l'Espace
2 ENAC - Ecole Nationale de l'Aviation Civile

A reduced-order model to estimate the aerodynamic forces and moments of a propeller at incidence angle from 0° to 90° was presented. The objective was to provide an inexpensive and effective approach to analyse propeller performance of a vertical/short take-off and landing aerial vehicle during transition flight. The model was based on blade element theory and was coupled with an extended momentum theory or Pitt & Peters inflow model to include the asymmetrical flow condition. The aerofoil aerodynamic data was provided by an empirical model that extended lift and drag polar to a broad angle-of-attack range suitable in transition flight. Furthermore a rotational stall delay model and a radial flow correction model have been incorporated to include primary 3-dimensional effects. The result has been presented and compared with past experiment and unsteady Reynolds-averaged Navier-Stokes solution under similar conditions.

Mots clés: Reduced-order model; Propeller in yaw; Drone; VTOL

Domaines: Mécanique des fluides [physics.class-ph]

Yuchen Leng, Heesik Yoo, Thierry Jardin, Murat Bronz, Jean-Marc Moschetta. Aerodynamic Modeling of Propeller Forces and Moments at High Angle of Incidence. AIAA Scitech 2019 Forum, Jan 2019, San Diego, United States. ⟨10.2514/6.2019-1332⟩. ⟨hal-01979077⟩