Through experiments, the critical wind speed of the vortex-induced vibration is received. And analyzed effect of the railing and the wind attack angle on the vortex-induced vibration.
通过试验得到了涡激振动的临界风速,并分析了栏杆、风攻角对涡激振动的影响。
The studying of the different sections deck shows: the variation pattern of flutter critical wind speed of bridge with flat box deck and wind yaw Angle is significantly affected by wind attack Angle.
研究发现:扁平箱形断面桥梁的颤振临界风速与风偏角的关系明显地受到风攻角的影响。
In order to study dynamic stall phenomena of an aircraft in portrait at a high Angle of attack, designing a measuring device of heave oscillation for a low speed wind tunnel.
为了研究飞行器在纵向大迎角状态下的动态失速现象,设计了一套用于低速风洞的升沉振动测量装置。
Instead of the sonic nozzle, low supersonic nozzles have been utilized to solve the choking problem in transonic wind tunnel testing of high angle-of-attack and high blockage.
本文介绍用低超声速喷管代替声速喷管,解决了大迎角大堵塞度跨声速实验时的风洞壅塞问题。
This paper presents two methods of using double servo accelerometers to make precision model attack angle measurements in wind tunnel testing.
提出采用双伺服加速度计同轴和垂直系统的两种方法,能够解决风洞模型攻角传感测量中的抗振动干扰问题。
The influence of solidity and aspect ratio on power coefficient of H-type vertical axis wind turbine, and the change of attack Angle with tip speed ratio were analyzed.
采用多流管模型分析了H型垂直风力机展弦比和实度对其功率系数的影响,并对叶片旋转过程中攻角随尖速比的变化进行了分析。
Based on traditional bracing system of wind tunnel testing, a system of hanging brace of large Angle of attack was designed, which can reduce frame interference.
基于传统的风洞试验支撑系统,设计了能减小支架干扰的大攻角张线式支撑系统。
In this paper, the initial stage in application of fuzzy logic to aircraft high-Angle-of attack aerodynamics using wind tunnel test data is outlined.
本文概述最初阶段利用风洞试验数据应用模糊逻辑研究飞机大攻角空气动力学的情况。
There is a larger effect of flow Angle of attack caused by high altitude wind on aerodynamic load and flight environment in rocket flighting.
高空风引起的气流攻角对火箭飞行中的气动载荷和飞行环境有较大的影响。
Finally, a brief discussion is present about the influence of the airplane gross weight, the thrust, the maximum Angle of attack, the flap Angle and the wind over the deck on...
最后讨论了飞机的起飞质量,发动机推力、起飞迎角、襟翼偏角和甲板风航迹等对弹射起飞性能的影响。
The measurement of the model Angle of attack is a key part in wind tunnel test.
模型迎角的测量是风洞试验中非常重要的环节。
In this paper wing had wing-blade and wing hadn't wing-blade applied for wind tunnel tests at different attack Angle and velocity.
文中进行了带翼刀机翼和不带翼刀机翼在不同迎角和风速下的风洞吹风试验。
The air resistance of damper of 1-dimension trajectory correcting fuses (1-D TCF) is measured under pill angle of attack and low wind speed.
一维弹道修正引信阻力器空气阻力的简捷测量,是在弹丸零攻角、低风速下测量空气阻力的试验方法。
High Angle of attack wind tunnel test techniques is necessary for development of high-maneuverability flight vehicles.
迎角风洞试验技术是先进高机动飞行器研制必需的关键技术。
Effects of some factors such as the initial attack Angle and the static wind action on flutter stability of self-anchored suspension bridge are specially studied.
重点研究了初始攻角、静风荷载作用等因素对自锚式悬索桥颤振稳定性的影响。
The effects of flapping frequency, wind velocity, Angle of attack, plane shape of wing and cambered aerofoil are investigated.
试验中进行了扑动频率、风速、迎角、机翼平面形状、翼型弯度对机翼气动特性影响的研究。
The aerodynamic characteristics of the free wing are investigated in this paper. The wind tunnel test results shows that the control of the angle of attack of the fre…
通过风洞试验,对带升降副翼控制的自由翼气动特性也进行了实验研究,验证了位于自由翼后缘的升降副翼可有效地控制自由翼相对气流的平衡迎角。
The aerodynamic characteristics of the free wing are investigated in this paper. The wind tunnel test results shows that the control of the angle of attack of the fre…
通过风洞试验,对带升降副翼控制的自由翼气动特性也进行了实验研究,验证了位于自由翼后缘的升降副翼可有效地控制自由翼相对气流的平衡迎角。
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