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Composite Rotor Blade Design Optimization for Vibration Reduction with Aeroelastic Constraints 带气弹稳定性约束的复合材料浆叶减振优化设计
composite rotor blade 旋翼桨叶
Stability analysis for helicopter composite rotor blades with elastic coupling 弹性耦合对直升机复合材料桨叶稳定性的影响
The blades/vanes mentioned include swept rotor blade,bowed stator vane,aspirated blade,splitter blade,hollow blade,and composite blade. 所介绍的叶片,包括掠形转子叶片、弓形静子叶片、吹吸叶片、分流小叶片、空心叶片和复合材料叶片。
A new way to solve dynamical response of rotor blade in helicopter. 提出了一种全新的计算旋翼桨叶动力响应的方法。
A rotor or rotor blade. 叶轮或叶轮片
ShangHai YueKe composite Co.Ltd specialize in studying and selling composite material for wind rotor blade ,nacelle cover and other composite parts and providing technique service . 上海越科复合材料有限公司，专业从事风力发电领域内复合材料叶片，机舱罩，及其他复合材料部件的技术服务，技术转让，技术咨询，复合材料叶片、机舱罩、整流罩原料的销售和研发。
ShangHai KeQi composite Co.Ltd specialize in studying and selling composite material for wind rotor blade ,nacelle cover and other composite parts and providing technique service . 上海越科复合材料有限公司，专业从事风力发电领域内复合材料叶片，机舱罩，及其他复合材料部件的技术服务，技术转让，技术咨询，复合材料叶片、机舱罩、整流罩原料的销售和研发。
Aeroelastic model is developed to analyze aeroelastic stability of helicopter rotor blade with swept tips. 通过建立具有后掠桨尖旋翼气弹稳定性的分析模型,研究后掠桨尖旋翼气弹的稳定性。
The helicopter rotor blade deicing technique is greatly important to ensure the flight safe- ty. 直升机旋翼桨叶除冰技术对保证直升机飞行安全是十分重要的。
A refined aeroelastic model of a helicopter rotor blade with swept tips is established based on model matching. 以动力学模型和气动模型相匹配为原则，建立了后掠桨尖旋翼的细致气弹模型。
This NSMS (nonin terference stress-measurement system) method is an alternative to the strain gauge for moni toring rotor blade vibration. 此方法将在叶片的振动检测中取代应变计式检测装置。
Based on the concept of persistence of vision, the Phantom's single rotor blade has a center of rotation outside of the UAVs' physical fuselage. 为了便于持续观察，幻影的单个旋翼的刀片有一个旋转中心，这个旋转中心位于机身外侧。
A theory of aeroelastic stability of hingeless rotor blade in hover by using the Galerkin weighted residual finite element method is developed in this paper. 采用伽辽金加权余数有限元素法发展了一种悬停状态下无铰旋翼桨叶气弹稳定性的分析方法。
The locking devices shall be so designed that even with a brake removed they can reliably prevent any rotation of the rotor, nacelle or the rotor blade. 锁定设备应设计如下：即使在移除制动设备后，仍能可靠保证的机舱或风轮不旋转。
The results show that, uneven stator mistuned design couldn't reduce aerodynamic force of rotor blade, but lead to bigger frequency division of spectrum and amplitude. 分析结果标明：非均匀叶栅非谐设计并不能降低转子叶片表面激振力，同时会引起频率成分和幅值都较大的倍频成分；
The relations among the steady state rotational rate,illumination power and vacuum in the vessel are studied. The relation between the optimal rotational rate and the size of rotor blade of Crookes radiometer is also presented. 研究了稳态时光辐照功率和稳态转速的关系,真空度与稳态转速的关系,转子叶片尺寸对辐射计最佳转速的影响。
Abstract: The aeroelastic analysis of a helicopter rotor blade with the controlled oscillating trailing edge flap is presented by building an aeroelastic model of the new concept rotor blade. 文摘:通过建立带受控振荡附翼的新概念旋翼气动弹性分析模型，研究了采用受控振荡附翼的直升机旋翼气动弹性特性及其在降低旋翼振动载荷方面的有效性。
The aeroelastic analysis of a helicopter rotor blade with the controlled oscillating trailing edge flap is presented by building an aeroelastic model of the new concept rotor blade. 通过建立带受控振荡附翼的新概念旋翼气动弹性分析模型，研究了采用受控振荡附翼的直升机旋翼气动弹性特性及其在降低旋翼振动载荷方面的有效性。
To reduce the resonance stress of rotor blade under wake aerodynamic force of front stator vane, and also extend the fatigue endurance, the aerodynamic mistuned of stator vane was analyzed. 摘要为降低转子叶片在前排静子叶片尾流激振情况下的共振应力，提高转子叶片疲劳寿命，对静子叶片的气动非谐设计进行研究。