• 本文描述研究爆炸成型发射EFP模型超高速气动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.

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  • 基于非线性涡流线原理的风力机力学模型进行数值试验

    A wind turbine aerodynamics simulation module based on non-linear vortex-line theory is tested in the numerical aspect in this paper.

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  • 设计了拉条模型试验验证结构气动导纳不单与频率有关,结构的特征尺寸特征参数有关。

    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.

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  • 应用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数学模型经过试验验证模型正确性

    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.

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  • 塔楼风洞试验基础上,采用刚性模型表面风压积分双塔高层建筑气动进行了研究。

    Based on the wind tunnel test, aerodynamic modal force spectrums of twin-tower tall building are studied using surface integral method of rigid model.

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  • 通过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,列主气动干扰特性。

    The basic aerodynamic interference of tandem cables was investigated through a series of aeroelastic model wind tunnel tests.

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  • 高速滑体制相似的机翼模型,进行风洞试验即可测定滑坡凌空飞行的空力学参数从而计算大型高速滑坡凌空飞行的空气动升力、飞行速度飞行距离等。

    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.

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  • 模拟紊流场中,应用方法对平板江阴长江大桥的节段模型进行试验,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.

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  • 本文介绍十五艘水面船舶上层建筑模型风洞试验试验时作用于模型力。

    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.

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  • 试验得到了具有典型倾角不同风向,拉索模型上的平均风压脉动风压系数以及气动系数。

    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.

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  • 试验结果表明,该模型力学特性变化强烈动力学尾流效应主要作用地区有更准确预测

    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.

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  • 提出采用准定常气动刚度基于试验非定常气动阻尼进行气动修正的大跨度桥梁抖振计算模型

    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.

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  • 大振试验非定常力,空气动模型洞壁干扰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.

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  • 研究高压输电塔线体系合理化设计进行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.

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  • 并对CZ - 2土星IB气动弹性模型地面荷载下动态响应进行工程计算,试验结果良好一致性

    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.

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  • 试验结果表明对于模型气动干扰使喷流放因子略有变化

    The results of the experiment is:(1) the amplification factor changes little because of the interferences of the lateral jet;

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  • 试验结果表明对于模型气动干扰使喷流放因子略有变化

    The results of the experiment is:(1) the amplification factor changes little because of the interferences of the lateral jet;

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