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单旋翼直升机气动布局对飞行性能的影响

DOI: 10.13700/j.bh.1001-5965.2013.0386, PP. 591-595

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Abstract:

为研究单旋翼直升机气动布局对直升机飞行性能的影响,以直升机飞行动力学模型为基础,在原始气动布局下分别对平飞、爬升与下滑和稳定协调转弯情况下的旋翼需用功率进行了配平,并计算了飞行性能指标,计算结果与参考数据吻合较好,证明模型可用.以UH-60A直升机为例,研究了不同气动布局参数下的直升机飞行性能,结果表明,在变化范围内,旋翼位置参数对前飞和垂直飞行性能影响都很大,减小旋翼纵向距离有利于提高飞行性能,尾桨倾斜角在悬停和小速度情况下对飞行性能影响较大,平尾水平位置的后移有助于提升最大飞行速度.

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