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

Abstract : 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.
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Submitted on : Tuesday, October 19, 2021 - 3:18:06 PM
Last modification on : Wednesday, November 3, 2021 - 5:59:08 AM
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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⟩



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