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。
Side view of wing screw with adjustable thread length.
螺纹长度可调整的翼形螺钉的侧面图。
Shape Parameter Optimization for Wing and Wingtip Based on RBF
基于径向基函数的机翼和翼梢小翼外形优化
wing collar pyramid short coat
翼状领角锥形短大衣
bat having a horseshoe-shaped leaf on the nose.
鼻翼呈马蹄形的蝙蝠。
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
The Joukowski airfoil problem is the simplest application of conformal mapping to airfoil design.
joukowski问题是最简单的翼型形映射应用到机翼设计.
The inverse Zimmerman wing shows a better longitudinal stability and flow-field stability.
与矩形翼相比,反齐默曼机翼有较好的稳定性.
Design of Flapping Mechanism for a Micro Air Vehicle Based on Mathematical Morphology;
基于数学形态学的微扑翼飞行器翅翼机构设计
Study of the Wing Shape of Flapping-Wing MAV
扑翼飞行器机翼平面形状设计方法研究
A Compliant Rib Based Morphing Wing Geometric Parameters Design
基于柔性翼肋的变形机翼几何参数设计
Numerical Simulation of the Dynamic Aerodynamic Characteristics about Partial Flexible Airfoils and Folding Wing Aircraft
局部主动变形翼型和折叠翼变形飞机动态气动特性数值模拟研究
delta wing (hang gliders)
三角形机翼（悬挂式滑翔机）
long-billed warm-water seabird with wide wingspan and forked tail.
温暖水域长嘴的海鸟，翼幅宽、尾叉形。
The ideology of the political left.
左派，左翼政治左派的意识形态、观点
The Special Characteristics of the Left-wing Metropolis Novels under the Ideological Sight;
意识形态视域下的左翼都市小说特质
On the Images of Leftist Group of Writers Works in Hunan;
论湖南左翼作家群小说中的女性形象
Shape Optimization of Cruise Missile Based on the Concept of Telescopic Wing
伸缩弹翼巡航导弹气动外形优化研究
Analysis of Thermal-elastic Deformation for Solar Array Substrate with CFRP/Aluminum Honeycomb Sandwich
碳纤维/铝蜂窝太阳翼基板热变形分析