An iterative procedure is required to achieve convergent results.The propeller geometry is defined on a conical coordinate system instead of the traditionally-used cylindrical coordinate system.

 
  • 针对荚式推进器的几何特性,不同于一般螺桨几何定义于圆柱座标系,方法中的螺桨叶片几何定义于角锥座标系。
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