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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/18462

    Title: An Eigen-Analysis of Rotary Wing Blades and Wake Coupled System with the Finite-State Inflow Model
    Other Titles: 旋翼尾流及葉片耦合之氣彈系統的特徵值分析
    Authors: 王怡仁;Wang, Yi-Ren
    Contributors: 淡江大學航空太空工程學系
    Keywords: 特徵分析;旋轉翼葉片;尾流;有限狀態內流模式;氣彈性分析;前進比;穩定性;空氣動力阻尼;Eigen-Analysis;Rotary Wing Blade;Wake;Finite-State Inflow Model;Aeroelastic Analysis;Advance Ratio;Stability;Aerodynamic Damping
    Date: 1993-12
    Issue Date: 2009-09-01 13:36:44 (UTC+8)
    Abstract: An eigenvalue study can provide stability information for a system, and it is also an important part of aeroelastic analysis. In this work, an eigen system of a three-dimensional unsteady wake model is studied first to understand the physical meaning of wake dynamics. The blade- wake coupled system eigen-analysis is studied by the Floquet Theory. The eigenvalues of the Floquet matrix can determine system characteristics. The effect of wake dynamics on rotor blade eigenvalues can be seen by comparison with no inflow case. The results show that the inflow has a profound effect on blade dynamics, even at high advance ratios.
    Relation: 太平洋國際航太科技會議論文集(三)=Proceedings of Pacific International Conference on Aerospace Science and; Technology (Vol. III),頁1440-1446
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Proceeding

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