Design Methodology and Analysis of Composite Bladesfor a Low Weight Rotor

机译：低重量转子复合叶片的设计方法与分析

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A design methodology of composite blades for weight reduction is developed and applied in NASArnHeavy Lift Rotor Systems Investigation. The designed blades satisfy the targeted weight reduction andrnmeet all the design requirements including stiffness, strength, stability and performance. The bladernstress and strain are analyzed to correlate Tsai-Wu strength design criterion with the industrialrndesign practice - laminate Strain allowable. The parametric studies of material properties about thernblade design are conducted. The effect of the active blade load management on the low weight rotorrnblade design is also investigated. The results show that both material properties and the active bladernload management can significantly influence the blade structural design. The blade using allrngraphite materials is compared to the blade using glass fibers for skin, and the tradeoff is discussed.

机译：开发了一种用于减轻重量的复合叶片的设计方法，并将其应用于NASArnHeavy Lift Rotor系统研究中。设计的叶片满足目标的重量减轻要求，满足所有设计要求，包括刚度，强度，稳定性和性能。分析叶片的应力和应变，以将Tsai-Wu强度设计标准与工业设计实践（层压材料允许的应变）相关联。进行了关于刀片设计的材料特性的参数研究。还研究了主动叶片负载管理对低重量转子叶片设计的影响。结果表明，材料性能和主动叶片负荷管理都可以显着影响叶片结构设计。比较了使用软石墨材料的刀片与使用玻璃纤维的皮肤刀片，并讨论了折衷方案。

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来源
《AHS vertical lift aircraft design conference》|2006年|1-8|共8页
会议地点 San Francisco CA(US)
作者
Jianhua Zhang; Edward Smith;
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Department of Aerospace Engineering, The Pennsylvania State University, University Park, PA 16803;

Department of Aerospace Engineering, The Pennsylvania State University, University Park, PA 16803;

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正文语种 eng
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Design Methodology and Analysis of Composite Bladesfor a Low Weight Rotor

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