Rotor design is comprised of some factors such as hub configuration, blade number, rotor diameter, rotor solidity and airfoil which have effects on helicopter performances.

旋翼设计包括桨毂构型、旋翼桨叶片数、旋翼直径、旋翼实度、翼型剖面等一系列影响直升机性能的因素。

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Compared with the solidity, the influence of tip loss on five-blade is bigger than three-blade for this model.

对本文模型而言，与实度相比较，叶尖损失对五叶片风轮的影响要大于三叶片风轮。

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