Pattern design and optimization for filament - wound toroidal shell 纤维缠绕复合材料圆环壳线型设计与优化
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A technology for designing a dishing axial - symmetric unmanned helicopter that based on a coaxial rotor system shrouded by a toroidal shell is studied in this thesis 本文研究碟形轴对称无人直升机的总体设计技术,这种特型的无人直升机是将一副共轴式旋翼置于涵道中,外形为碟状。