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Numerical and experimental study on flexible blade for tilt-body drones

Mohd Zawawi, Fazila and Prothin, Sebastien and Lv, Peng and Bénard, Emmanuel and Morlier, Joseph and Moschetta, Jean-Marc Numerical and experimental study on flexible blade for tilt-body drones. (2013) In: 21ème Congrès Français de Mécanique - CFM 2013, 26 August 2013 - 30 August 2013 (Bordeaux, France).

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Abstract

This paper is concerned with the evaluation of design techniques, both for the propulsive performance and for the structural behavior of a composite flexible proprotor. A numerical model was developed using a combination of aerodynamic model based on Blade Element Momentum Theory (BEMT), and structural model based on anisotropic beam finite element, in order to evaluate the coupled structural and the aerodynamic characteristics of the deformable proprotor blade. The numerical model was then validated by means of static performance measurements and shape reconstruction from Laser Distance Sensor (LDS) outputs. From the validation results of both aerodynamic and structural model, it can be concluded that the numerical approach developed by the authors is valid as a reliable tool for designing and analyzing the drone proprotor made of composite material. The proposed experiment technique is also capable of providing a predictive and reliable data in blade geometry and performance for rotor modes. Mots clefs :

Item Type:Conference or Workshop Item (Paper)
HAL Id:hal-01851630
Audience (conference):National conference proceedings
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
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Deposited By: Fazila Mohd Zawawi
Deposited On:03 Sep 2013 10:00

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