With numerical wind tunnel method of Computational Fluid Dynamics (CFD) technology, the shape coefficient of double-tube chimney has been calculated.
通过CFD数值风洞模拟方法,得到了典型双筒烟囱的体型系数。
It is an approximate theoretic method with simular result to the data of wind tunnel test.
该方法是一种近似理论方法,其结果与风洞试验数据很接近。
This paper introduces a wind tunnel experiment technique of side-back jet, aerodynamic interactions and predict method.
主要阐述了弹丸头部喷流风洞实验中的实验方法、动力干扰影响及预测方法。
With the increase of extra-long tunnel construction, obviously, the empirical value can not keep up with the actual. So it needs to work out a method for natural wind computation.
随着特长隧道建设工程的增多,经验取值显然与实际不符,有必要建立一套隧道内自然风计算方法。
The application principle and method of tolerant technique to wind tunnel experiment are introduced. It regards the subsonic wind tunnel as a monitored object.
以亚音速风洞为监测对象,介绍容错技术在风洞试验中的应用原理和方法。
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。
In this paper, a new iterative testing strategy is described for two dimensional model testing in transonic flexible adaptive walled wind tunnel and wall adjustment computing method.
给出一种新的二维跨音速柔性自适应壁风洞实验迭代方案,计算方法和实验验证结果。
A method to compute aerodynamic characteristics of three-dimensional transitive section of high speed wind-tunnel has been suggested.
本文提出了一种计算高速风洞三维过渡段的气动特性的方法。
A method of calculating elastic curve for semiflexible plate wind tunnel nozzle has been presented, based on the linear theory of small deflection of beam deformation, in this paper.
本文基于梁弯曲变形的小挠度线性理论,提出了半挠性喷管挠性板弹性曲线的计算方法。
It is an effective method to obtain more accurate fluctuating pressure on the surface of buildings and structures in wind tunnel test.
结果对如何正确测量建筑物表面脉动压力提供了一种有效的方法。
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。
This paper obtains static wind loads based on numerical wind tunnel modeling, and presents the effective theoretic method of wind induced dynamic responses and equivalent wind load analysis.
本文通过数值风洞模拟方法得到了各风向下穹顶结构的平均风压,尤其是给出了有效分析风激动力响应和等效风荷载的理论方法。
Numerical wind tunnel technology based on computational fluid dynamics is an effective method for the study of the wind field.
数值风洞技术是以计算流体力学为基础进行风场研究的有效方法。
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。
The paper introduced a new technology to control the boundary layer of vehicle wind tunnel with the method of part-gutter inspiration.
本文介绍了用局部开槽内部吸气法控制汽车风洞试验地板边界层的新技术。
This paper introduces a wind tunnel experimental method of projectile with jet from its forebody and influence of jet on aerodynamic characteristics of projectile.
介绍弹丸前体喷流实验方法及喷流对弹丸气动性能的影响。
A method that can be used to design, manufacture and test the contraction section of a wind tunnel is presented.
介绍了一种简洁有效的低速风洞收缩段的设计、加工以及校验的方法。
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 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。
An aeroelastic wind tunnel test was carried out to study the rational wind resistant design method for high-voltage transmission tower-line coupling system.
为研究高压输电塔线体系的合理化抗风设计,进行了气动弹性模型风洞试验。
Combining the merits of the traditional method and PIV method, it is proved that TJ-4 boundary layer wind tunnel comes up to the designed standard.
综合传统方法和PIV方法两种方法的优点,验证了TJ - 4边界层风洞的流场品质达到了设计要求。
The techniques of schlieren is a conventional method for observing anddisplaying the wind-tunnel phenomena.
在风洞气流场的观察和显示中,纹影法是最常用的方法。
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。
Put forward a new method for long-span bridge buffeting analysis which using quasi-steady aerodynamic stiffness and unsteady aerodynamic damping based directly on wind tunnel test.
提出采用准定常气动刚度与基于试验的非定常气动阻尼进行气动修正的大跨度桥梁抖振计算新模型。
A method for estimating wind-induced fluctuating internal pressure in the frequency domain is proposed and wind tunnel tests were carried out to verify the method.
提出了估算开孔结构风致内压脉动的频域分析方法,并实施了风洞试验进行验证。
A new method is described in this paper for boundary layer thickness control on the fixed ground plate in the wind tunnel.
本文介绍了一种风洞固定地板边界层厚度控制新方法。
Then, the base bleed method is introduced on a general supersonic missile to decrease the base drag of the inlet cowl for the first time and is validated by wind tunnel test.
本文首次将底部排气法应用于导弹上,结合一种具有常规气动布局的超声速导弹进行了底部排气方案设计,采用一种“底窝器”来提高进气道整流罩的底部压强,并进行了风洞实验验证。
The traditional and important method for the vehicle aerodynamics is wind tunnel test, which demands strict requirement of the experimental facilities, as well as a long experimental period.
汽车空气动力学研究的传统方法是风洞试验,此方法对试验设施要求较高,并且研究周期较长。
Similarly, the method of calculation natural wind for long road tunnel is also applicable to long railway tunnel.
同样的,该特长公路隧道自然风计算方法还适用于特长铁路隧道。
The wind tunnel experiments include four aspects:1) A wind tunnel investigation of twin-vertical-tails buffet of a strake-wing layout was conducted to study the test method of tail buffet.
实验研究方面的内容和成果主要有四个方面:(1)边条翼布局飞机模型双垂尾抖振风洞实验研究。
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