Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
A thin plate and the sectional model of the Jiangyin Bridge were tested in turbulent wind in a wind tunnel to extract their flutter derivatives.
在模拟的紊流风场中,应用这一方法对平板和江阴长江大桥的节段模型进行了试验,识别了其气动导数。
The wall pressure fluctuations and near-wall turbulent flow were jointly measured at the stem of an underwater vehicle model in CSSRC Wind Tunnel.
在风洞中对水下航行体模型尾部壁面脉动压力与近壁湍动速度进行同步测试及处理分析。
Generally, either the full bridge model wind tunnel test or section model wind tunnel test with analytical procedure is used to evaluate buffeting responses of Bridges.
对于风力作用下所引起的桥梁主梁抖振反应,通常采用全桥风洞试验或断面模型风洞试验配合数值分析进行评估。
The design reference wind speed and related wind characteristic parameters of the bridge are derived from the wind tunnel test of a terrain model of the bridge site.
通过模拟桥址地形的风洞试验,确定桥梁设计基准风速和相关的风特性参数,使得到的风速真正反映桥址处风的实际状况。
Based on traditional support system in wind tunnel testing, the combination support system measuring support interference on high angles of attack model in low speed wind tunnel was designed.
基于传统的风洞试验支撑设备,设计了用于低速风洞测量大攻角模型支架干扰的组合支撑设备。
In the method particle trajectory model of certain aviation bomb is chosen, drag law by the numerical simulation based on the virtual wind-tunnel is adopted.
该方法选用航空炸弹质点弹道模型,采用虚拟风洞数值模拟得到的炸弹阻力定律,结合实弹靶试数据,对弹道系数进行了符合计算。
It is proved that the main truss has excellent wind stability through the wind tunnel test of section model.
风洞节段模型试验结果表明:主梁具有很好的抗风稳定性。
Based on the wind tunnel test, aerodynamic modal force spectrums of twin-tower tall building are studied using surface integral method of rigid model.
在双塔楼风洞试验基础上,采用刚性模型表面风压积分法对双塔高层建筑气动力谱进行了研究。
The conclusions believed to be useful to improve the design of transonic wind tunnel and model tests.
其结论对改善跨音速风洞设计和模型试验是有用的。
An aeroelastic model for a UHV power transmission tower and its conductors was designed according to the law of similarity and tested in an atmospheric boundary layer wind tunnel.
按照空气动力弹性相似准则,设计制作了某高压输电线路终端塔全塔气动弹性模型,并按响应相似原则模拟了柔性输电导线;
The model free flight method in wind tunnel is a non-intrusive way to measure the aerodynamic characteristics of a model.
风洞模型自由飞是一种无支杆干扰的非接触式气动特性测量方法。
As part of this effort, an integrated scramjet model is about to begin testing at up to Mach 5.6 in a new wind tunnel in Beijing.
作为该项工作的一部分,一个可达5.6马赫的综合冲压模型即将在北京的一个新的风洞内开始测试。
The results of the wind tunnel test show the flutter critical speed of the wing model increases by 37% after the implementation of AFS system.
风洞试验结果说明,采用颤振主动抑制控制系统后,机翼的颤振临界速度可提高37%。
In this paper, mathematical model of fluctuating torques acting on rectangular super-tall buildings were investigated based on wind tunnel test results.
利用风洞试验结果,对矩形截面超高层建筑风致脉动扭矩数学模型进行研究。
Based on rigid model wind tunnel test, wind-induced responses of a neotype hybrid-structure with cable-net curtain walls (a large-scale museum structure) are computed.
基于刚性模型风洞试验,对一个具有索网幕墙的新型杂交结构——某大型博物馆结构进行风致响应计算。
This paaer presents selected results from several investigations of ari inlet design and performance. Diagnodtic data are from airfame-inlet model wind tunnel tests and CFD simulations.
提供的结果来自飞机进气道的设计和性能研究,分析所用的数据来源于进气道模型风洞实验和CFD数值模拟。
The pressure field measurement results on the wing surface of airplane model by luminescence pressure sensor (LPS) technique and classic tap technique in high speed wind tunnel are presented.
介绍了国内首次在高速风洞中使用荧光压力传感器(LPS)技术对飞机模型机翼表面压力场测量的初步结果。
The research in this thesis is focused on the low harmonic variable-frequency power for the system meeting the needs of wind tunnel propeller model testing requirements.
旨在研究满足螺旋桨飞机模型风洞试验要求的为高功率密度电驱动系统供电的低谐波变频电源。
The phenomena "limit cycle" occurred in wind tunnel test for active flutter suppression of a wing model are numerically explained using Harmonic Balance Method.
本文采用谐波平衡法,定量地解释了机翼颤振主动抑制风洞试验中出现的极限环现象。
Modal test and parameter identification of a wind tunnel flutter model simulating a wing with external missiles are presented in this paper.
本文介绍了带外挂风洞颤振模型模态试验与参数识别方法。
Modal test and parameter identification of a wind tunnel flutter model, similar to a wing with external missiles, are presented in this paper.
本文介绍了带外挂风洞颤振模型模态试验与参数识别方法。
By means of regression analysis of the wind tunnel test data from 50 model ships, a new method for calculating the wind coefficient of ships has been obtained.
通过对50条船模风压系数的风洞试验数据进行回归分析,得出一种由船型数据来估算风压系数的新方法。
A "Separating model and support (SMS) method" for measuring support interference is proposed according to the analysis of the support interference for vehicle model wind tunnel tests in this paper.
基于传统的风洞试验支撑设备,设计了用于低速风洞测量大攻角模型支架干扰的组合支撑设备。
Testing conditions and main results of the wind tunnel test of the model of Shanghai South Railway Station are introduced.
介绍了上海铁路南站模型风洞试验概况和主要试验结果。
This paper presents the methods of free flight spin test and rotation balance test in vertical wind tunnel, the design of test model is briefly expounded.
介绍了立式风洞自由飞尾旋试验和旋转天平试验的方法,简述了试验模型的设计。
The buffeting performance of the free-standing tower of Zhanjiang Bay Bridge, a long-span cable- stayed bridge, under yaw wind is investigated by means of wind tunnel test of aeroelastic full model.
通过气弹全模型试验对斜风作用下湛江海湾大桥裸塔抖振响应性能进行了研究。
For the purpose of studying the vibration characteristics of high-rise structure under high wind speed, a model of single-rod transmission tower was tested in wind tunnel.
为了研究高耸结构在强风作用下的振动特性,本文对一自立式单杆输电塔进行了风洞试验研究。
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。
Taking an open membrane roof, which covers the central square of Great Shanghai Pedestrian Street in Zhengzhou City, as an example, a wind tunnel test on a rigid model was carried out.
以郑州大上海步行街中心广场膜结构屋盖为工程背景,进行了刚性模型的同步测压试验。
应用推荐