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电动直升机飞行性能计算和分析

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Abstract:

在传统直升机飞行性能计算方法的基础上,结合电动系统的特性和直升机总体设计的特点,提出了电动直升机主要飞行性能的算法,并分析了电动系统特性参数和直升机气动布局、总体参数等变量对飞行性能的影响.以某小型无人直升机为例,计算和比较了该机电动化改装前后的主要飞行性能.算例结果和分析表明相对于油动直升机,电动直升机受目前电动系统技术的限制,其续航时间和航程较短,但升限较高;微小型直升机的电动化比轻中型直升机更具有优势和潜力.该算法适用于电动直升机的总体设计和参数选择,也可为油动直升机的电动化改装提供一定的理论指导.

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