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A Method for Designing Conforming Folding Propellers

机译:一种设计合适的折叠式螺旋桨的方法

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As the aviation vehicle design environment expands due to the influx of new technologies, new methods of conceptual design and modeling are required in order to meet the customer's needs. In the case of distributed electric propulsion (DEP), the use of high-lift propellers upstream of the wing leading edge augments lift at low speeds enabling smaller wings with sufficient takeoff and landing performance. During cruise, however, these devices would normally contribute significant drag if left in a fixed or windmilling arrangement. Therefore, a design that stows the propeller blades is desirable. In this paper, we present a method for designing folding-blade configurations that conform to the nacelle surface when stowed. These folded designs maintain performance nearly identical to their straight, non-folding blade counterparts.
机译:由于航空车辆设计环境因新技术的涌入而扩大,因此需要新的概念设计和建模方法,以满足客户的需求。在分布式电动推进(DEP)的情况下,在机翼前缘上游使用高升降螺旋桨以低速升降机,使得具有足够的起飞和着陆性能的较小翅膀。然而,在巡航期间,如果留在固定或风帆布置中,这些装置通常会导致显着的拖动。因此,需要一种缩小螺旋桨叶片的设计。在本文中,我们提出了一种设计折叠叶片构造的方法,该折叠叶片配置在收起时符合机舱表面。这些折叠的设计保持了与其直线,非折叠刀片同行几乎相同的性能。

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