The paper presents numerical simulations of the NASA High-Lift CRM aircraft model at nominal landing configuration with powered-on engine conditions. A novel UHBR turbofan nacelle is developed for modern aircraft configurations, with the aim to optimize it for transonic cruise flight. The developed nacelle is integrated in the HL-CRM and an initial assessment is carried out using a baseline numerical mesh for RANS simulations with the DLR-TAU flow solver, based on the Spalart-Allmaras turbulence model. The flow field around the wing, high-lift devices, and nacelle is studied for 6, 12, and 16 deg angle of attack, encompassing stall region.
Investigation of HL-CRM aerodynamics with a UHBPR nacelle in powered-on condition
Magrini A.;Buosi D.;Ponza R.;Benini E.
2021
Abstract
The paper presents numerical simulations of the NASA High-Lift CRM aircraft model at nominal landing configuration with powered-on engine conditions. A novel UHBR turbofan nacelle is developed for modern aircraft configurations, with the aim to optimize it for transonic cruise flight. The developed nacelle is integrated in the HL-CRM and an initial assessment is carried out using a baseline numerical mesh for RANS simulations with the DLR-TAU flow solver, based on the Spalart-Allmaras turbulence model. The flow field around the wing, high-lift devices, and nacelle is studied for 6, 12, and 16 deg angle of attack, encompassing stall region.
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