本文描述的是研究爆炸成型发射弹(EFP)模型的流场及超高速空气动力特性所用的弹道试验设备;
The range equipment for the investigation of the hypervelocity aerodynamic properties and flow field of explosively formed projectile(EFP) models is described.
对基于非线性涡流线原理的风力机空气动力学模型进行了数值试验。
A wind turbine aerodynamics simulation module based on non-linear vortex-line theory is tested in the numerical aspect in this paper.
设计了拉条模型试验验证结构的气动导纳不单与频率有关,还与结构的特征尺寸、风场的特征参数有关。
A taut strip model experiment was performed to verify that the AAF dependent not only on the frequency, but also on the structures dimension and characteristic size of the turbulence field.
应用空气动力学、工程热力学理论,推导空气弹簧垂向动态特性分析的数学模型,经过试验验证模型的正确性。
Based on the theory of aerodynamics, engineering thermodynamics, the mechanical model for air spring vertical dynamical characteristics analysis is built and proved to be correct by test.
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 the wind tunnel test, aerodynamic modal force spectrums of twin-tower tall building are studied using surface integral method of rigid model.
通过气弹模型风洞试验,研究了不同间距、风偏角、风攻角及固有频率下,串列主缆间的气动干扰特性。
The basic aerodynamic interference of tandem cables was investigated through a series of aeroelastic model wind tunnel tests.
将高速滑体制成相似的机翼模型,进行风洞试验,即可测定滑坡凌空飞行的空气动力学参数,从而计算大型高速滑坡凌空飞行的空气动力升力、飞行速度和飞行距离等。
If we make a wing model which is similar to sliding mass, we can determine aerodynamic parameters by the wind tunnel testing and thus calculate the lift.
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。
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.
本文介绍十五艘水面船舶上层建筑模型的风洞试验及试验时作用于模型上的空气动力。
This article describes the wind tunnel tests of the superstructure models of fifteen ships and the aerodynamic force acted on these models during the tests.
试验得到了具有典型倾角的拉索在不同风向角下,拉索模型上的平均风压和脉动风压系数,以及气动力系数。
Mean and fluctuating pressures and aerodynamic force coefficients on the cable model and the artificial rivulet are obtained under the conditions of typical cable inclined angles and wind angles.
试验结果表明,该模型在空气动力学特性变化强烈和动力学尾流效应起主要作用的地区有更准确的预测。
The result indicated that more accurate predictions are expected in situations where local aerodynamic characteristics strongly vary with time and where dynamic wake effects play a significant role.
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。
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.
大振幅试验,非定常空气动力,空气动力模型,洞壁干扰,动导数仿真,数学模型,模糊逻辑,飞行仿真。
Large amplitude test, Unsteady aerodynamic, Wall influence, dynamic derivative simulating, Mathematic model, Fuzzy logic, Aerodynamicmodeling, Flight simulating.
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。
An aeroelastic wind tunnel test was carried out to study the rational wind resistant design method for high-voltage transmission tower-line coupling system.
并对CZ - 2、土星IB气动弹性模型在地面风荷载下的动态响应进行工程计算,与试验结果有良好的一致性。
The dynamic responses of aeroelastic models based on CZ-2 and Saturn IB under ground wind load are calculated. The results are in good agreement with the measured responses.
试验结果表明:对于本模型喷流气动干扰使喷流放大因子略有变化;
The results of the experiment is:(1) the amplification factor changes little because of the interferences of the lateral jet;
试验结果表明:对于本模型喷流气动干扰使喷流放大因子略有变化;
The results of the experiment is:(1) the amplification factor changes little because of the interferences of the lateral jet;
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