A high strength epoxy matrix and composite cured at moderate temperature for the composite rotor blades of helicopter has been inves-tigated furthermore by using tests of general mechanical properties, nine engineering constants were obtained.
本文对曾用于直升机复合材料旋翼桨叶的高强度环氧树脂基体及其复合材料性能进行了深入的研究工作。
This paper presents the results of a survey of rotor blades optimum design of reducing vibration by modifying blade properties so as to reduce vibratory hub shears and moments, and thereby reduce the vibration level experienced in the fuselage.
围绕降低直升机振动水平的旋翼桨叶减振优化设计 ,对国内外这方面研究进展情况作了综述 ;着重讨论了降低旋翼激振力减振优化设计分析中的几个主要问题 ,包括桨叶减振优化设计途径与目标 ,桨叶优化设计中的分析模型 ,优化设计方法及灵敏度分析技术 ,以及桨叶优化减振设计研究的最新发展方向和需进一步研究的问题等 。
A design oriented method for the dynamic design optimization of composite rotor blades is presented.
提出一种面向设计的复合材料旋翼桨叶结构动力优化方法。
Response calculation method for the rotor blade with arbitrary rigid motions;
考虑带有任意刚性运动的旋翼桨叶响应计算方法
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
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。
ZSL series erivan screen is the most popular choiceness equipment at persent.
ZSL旋翼筛是目前国内使用最广泛的一种精选设备，用于筛除浆料中的浆团及其它非纤维杂质。
SD series pressure screen an inflow pressure screen，is a kind of advanced paper pulp screening equipment。
本系列压力筛为外旋翼内流压力筛，是一种先进的纸浆筛设备。
Calculation of the Aerodynamic Interaction between Rotor／Wing／Fuselage of Tilt-Rotor;
倾转旋翼飞行器旋翼/机翼/机身气动干扰计算
Influence of wing location on rotor-wing interaction of compound helicopter
机翼位置对复合式直升机旋翼-机翼干扰的影响
stowed rotor vehicle
旋翼收藏式组合直升机
tandem rotors helicopter
纵列式双旋翼直升机
velocity along rotor diameter
速度沿旋翼直径的分布
spiral welded-on wing stabilizer
焊接螺旋翼片式稳定器
intermeshing rotors helicopter
交叉旋翼式直升飞机
intermeshing-rotor helicopter
交叉双旋翼式直升机
Computations of Unsteady Aerodynamic Characteristic of Rotor Airfoil at Low Mach Numbers
旋翼翼型低Ma数动态失速特性计算
an autogiro is supported in flight by unpowered rotating wings.
旋翼飞机靠无动力的旋转式机翼支持其飞行。
Numerical prediction for the acoustic noise of helicopter rotor in forward flight
前飞状态下直升机旋翼旋转噪声预测
Cross Wing of Diamond Wing Profile and Isosceles Trapezoid Wing Surface for Course Correction Fuze
弹道修正引信菱形翼型等腰梯形十字减旋翼
Rotor-wing interaction analysis of a compound helicopter in forward flight
复合式直升机前飞状态旋翼-机翼干扰计算分析
An aircraft, such as a helicopter or autogyro, equipped with wings that rotate about an approximately vertical axis.
旋翼机一种飞行器，如直升机和旋翼机，装有绕一个近似垂直的轴旋转的机翼
rotary screen type precleaner
旋转圆筒筛式粗选机
combined winnower and grader with rotary screen
旋转筛联合风选分级机