Abstract: : the propeller is in the model airplane one of most important components, is the model ship airplane obtains the power the key component.

摘要：螺旋桨是航空模型中最重要的零件之一，是航模飞机获得动力的关键部件。

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In the shipbuilding practice, Marine propeller is one of the key installations.

船舶工业中，螺旋桨是船舶的关键装置之一。

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The methods will not only make a key tool for noise prediction, but also play a role for noise control of the propeller in engineering project.

整个方法对船舶螺旋桨噪声预报提供了工具，对螺旋桨的噪声控制及低噪声设计也有重要的工程价值。

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