In the static strength analysis of helicopter blade,the traditional analysis method may lead to the uncertainty of the strength conclusion due to the inaccuracy of load calculation.
在直升机桨叶的静强度分析中,传统的分析方法可能会由于载荷计算的不准确,给强度结论带来不确定性。
In this paper,the strength limit and fatigue limit of leading edge of a helicopter blade are obtained by tests of standard specimen,and stress concentration factors by finite element analysis.
通过标准样件试验,获得直升机桨叶前缘包铁的静强度极限和疲劳极限,通过有限元分析,获得应力集中系数,再应用应力集中系数对试验中获得的静强度极限和疲劳极限进行修正。
Calculation about the natural vibration frequencies of the helicopter blade in rotating plane;
利用有限元法推导了直升机桨叶的耦合振动频率方程，提出了有效的计算方法──直接迭代法，并计算了桨叶第１至第４阶固有频率。
DAMAGE ASSESSMENT OF HELICOPTER BLADE BASED ON CANTILEVER BEAM DISPLACEMENT MODEL
基于悬臂梁位移模型的直升机桨叶损伤检测
Stability analysis on dynamic balance test for helicopter rotor blade
直升机桨叶动平衡试验中的稳定性分析
An New Idea on Anti-icing and De-icing of Helicopter Rotor Blade
直升机旋翼桨叶防/除冰技术新思路
Numerical simulations of bird impact on helicopter rotor blades
直升机主桨叶的鸟撞有限元数值模拟
Research of Crack Growth Life for Certain Helicopter's Main Blade
某型直升机主桨叶裂纹扩展寿命研究
The Flapping Stability Analysis on Dynamic Balance Test for Standard Rotor Blade
直升机标准桨叶动平衡试验挥舞稳定性分析
Experiments of Vibration Reduction Effect of Particle Damping on Helicopter Rotor Blade
颗粒阻尼对直升机旋翼桨叶减振效果的试验
Dynamic model of elastic impact of helicopter rotor blades
直升机旋翼桨叶的弹性碰撞动力学建模
If, however, the blades are not tilted, the helicopter can be made to hover motionless in the air.
然而，如果桨叶不倾斜，就能使直升飞机在空中悬停不动。
Application on Dynamics of Flexible Multibody Systems in Rotor Blade;
柔性多体系统动力学在直升机旋翼桨叶上的应用
Study of Fatigue Life Evaluation Method for Leading Edge of Helicopter Composite Blade
直升机复合材料桨叶前缘包铁疲劳定寿方法研究
Identification of helicopter rotor blade distributed loads by using fiber optic sensor measurement
采用光纤传感测量的直升机旋翼桨叶分布载荷识别
An aircraft that derives its lift from blades that rotate about an approximately vertical central axis.
直升机螺旋桨叶围绕一根近似垂直的中心轴旋转而使其升高的飞机
Investigation on the Blade-Vortex Interaction Aerodynamic Noise of Helicopter Rotors;
直升机旋翼桨—涡干扰气动噪声的研究
Research on Helicopter Spherical Flexible Tail Rotor Joint Fatigue Test Technology
直升机球柔性尾桨桨毂连接件疲劳试验技术研究
Application of Dynamic Analysis In Helicopter Tail Rotor Failure Analysis
动力学分析在某直升机尾桨故障分析中的应用
Hardness Decreasing Reason of Airscrew Bush Parts of Helicopter after Heat Treatment
直升机旋翼桨根衬套热处理后硬度降低的原因
"Airfoil: Shaped surface, such as an airplane wing, tail, or propeller Blade, that produces lift and drag when moved through the air."
翼型:在空气中运动时能产生升力和阻力的型面,如机翼、尾翼或螺旋桨桨叶。