减压情况下，通过既改变空泡数又改变浸深比的多方案螺旋桨水动力性能试验来建立和完善半浸桨空化性能试验技术。
In depressurized condition, multi-scheme experiments of propeller hydrodynamics performance have also been accomplished under different number of cavity and ratio of submergence.
本实用新型就是提供一种可有效延迟空泡的分离，并可延长螺旋桨桨叶使用寿命的截面拱度比非线性分布式船用螺旋桨。
The utility model provides a cross section camber ratio nonlinear distributed Marine propeller which can effectively delay the separation of the cavity bubble, and prolong the service life thereof.
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