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- W4282564384 abstract "The present paper deals with a numerical investigation on the effect of the trim control strategy on the noise emitted by a quadrotor system. The proposed approach consists in three steps: first, three different strategies are applied in an optimal trim procedure to evaluate the vehicle attitude and control settings for steady flight conditions; then, an aerodynamic solver based on a boundary integral formulation for potential flows is applied to evaluate the detailed pressure field over the rotor blades, with inclusion of the interference effects occurring among the system components; finally, an acoustic solver based on the Farassat 1A formulation is applied to evaluate the noise radiated by the system. The aim of the paper is to examine the effects of the trim strategy on the acoustic nuisance. The numerical results show that the acoustic emission is significantly affected by the trim strategy adopted. This suggests that the inclusion of a noise metric in the objective function of the optimal trim procedure can be an interesting solution for the definition of less acoustically annoying multi-rotor flight conditions." @default.
- W4282564384 created "2022-06-14" @default.
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- W4282564384 date "2022-06-13" @default.
- W4282564384 modified "2023-09-27" @default.
- W4282564384 title "Influence of trim control strategy on noise radiated by multi-rotor systems" @default.
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- W4282564384 doi "https://doi.org/10.2514/6.2022-2971" @default.
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