Experimental investigation of the rotor-wing aerodynamic interaction in a tiltwing aircraft in hover

Droandi G.; Zanotti A.; Gibertini G.; Grassi D.; Campariardi G.

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Experimental investigation of the rotor-wing aerodynamic interaction in a tiltwing aircraft in hover

机译：旋翼飞机悬停时旋翼-空气动力相互作用的实验研究

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The hovering performance and the lifting capability of tiltrotor aircraft are strongly affected by the aerodynamic interaction between wing and rotors. The tiltwing concept represents a promising technology to increase the hover performance by reducing the wing-rotor interference. The present work describes an experimental activity carried out on a 1/4 scaled tiltwing aircraft half-model to achieve a detailed insight about the main issues characterising the aerodynamic interaction between wing and rotor in hover. The results of the experimental campaign, including both force measurements and Particle Image Velocimetry surveys, enabled to evaluate both the aircraft performance for different configurations of the tilting wing and to achieve a detailed insight about the flow physics of the rotor wake in the interaction with the wing. The test activity provided a comprehensive experimental database that was obtained over a not confidential aircraft configuration.

机译：倾转旋翼飞机的悬停性能和升力受到机翼与旋翼之间空气动力相互作用的强烈影响。倾斜机翼概念代表了一种有希望的技术，可通过减少机翼-转子干扰来提高悬停性能。本工作描述了在1/4比例的倾斜翼飞机半模型上进行的一项实验活动，以获得对表征悬停时机翼和旋翼之间的空气动力相互作用的主要问题的详细了解。实验活动的结果（包括力测量和粒子图像测速调查）使我们能够评估飞机不同倾斜机翼构型的性能，并获得关于旋翼尾流与旋翼相互作用的流物理学的详细见解。翅膀。测试活动提供了一个全面的实验数据库，该数据库是通过非机密飞机配置获得的。

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《The Aeronautical Journal》 |2015年第1215期|591-612|共22页
作者
Droandi G.; Zanotti A.; Gibertini G.; Grassi D.; Campariardi G.;
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Politecn Milan, Dipartimento Sci & Tecnol Aerosp, I-20133 Milan, Italy;

Politecn Milan, Dipartimento Sci & Tecnol Aerosp, I-20133 Milan, Italy;

Politecn Milan, Dipartimento Sci & Tecnol Aerosp, I-20133 Milan, Italy;

Politecn Milan, Dipartimento Sci & Tecnol Aerosp, I-20133 Milan, Italy;

Politecn Milan, Dipartimento Sci & Tecnol Aerosp, I-20133 Milan, Italy;

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7. Experimental Investigation of the Rotor-Wing Aerodynamic Interaction in a Tiltwing Aircraft in Hover [O] . Droandi G., Zanotti A., Gibertini G., 2015

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Experimental investigation of the rotor-wing aerodynamic interaction in a tiltwing aircraft in hover

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