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。
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。
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。
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。
The paper describes the measurement method for model surface temperature and model surface illumination strength in wind tunnel optical pressure measurement test by the virtual instruments.
本文介绍了在风洞光学测压试验中应用虚拟仪器技术对模型表面温度和模型表面光照强度的测量方法。
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 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。
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。
An aircraft model was tested in the FL-8 low speed wind tunnel. The test data were analyzed.
在FL - 8风洞中采用某型号飞机的动导模型进行了旋转流场下滚转振荡试验研究,对试验数据进行简单分析。
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。
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%。
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。
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。
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。
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。
As the three-dimensional flutter theory is still not satisfactory at present, it seems necessary to have a full-model wind tunnel test for such a type of bridge.
斜张桥的三维颤振理论目前尚不成熟,有必要进行这种桥型的全模型风洞试验。
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 gives a brief description of the whole process of the low-speed wind tunnel test for active flutter suppression of a two-dimensional wing model with trailing edge control surface.
本文简要地阐述了具有后缘控制面的二元机翼模型主动颤振抑制低速风洞试验的全过程。
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。
The model carriage real time and exactitude measure are important in the wind tunnel test.
风洞试验模型姿态的实时、精确非接触测量对于提高风洞试验的精度和可信度有重要意义。
Based on the pressure measurements of wind tunnel test on a rigid structural model, this paper first calculated the equivalent objective responses induced by fluctuating wind.
在刚性建筑模型风洞测压试验的基础上,首先求出脉动风致等效目标响应。
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。
A wind tunnel test for a model of the automobile body shows that beneficial effects on reducing drag and suppressing aerodynamic noise by using internal acoustic excitation.
汽车车身模型风洞实验表明,用内部声激励可获得有效的减阻效果,而且还能起到抑制气动噪声的效果。
The development of aircraft is an iterative procedure of "design-model-test-design", and needs to manufacture several models for wind tunnel test.
飞机的研制是一个“设计-模型-实验-设计”的多次迭代过程,需要制造许多用于风洞试验的缩比模型。
The development of aircraft is an iterative procedure of "design-model-test-design", and needs to manufacture several models for wind tunnel test.
飞机的研制是一个“设计-模型-实验-设计”的多次迭代过程,需要制造许多用于风洞试验的缩比模型。
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