• The drag coefficient, the stream function and vorticity, the perturbed stream function are calculated under various conditions.

    本文计算了各种条件下绕圆柱的阻力系数函数量分布以及扰动函数等。

    dict.cnki.net

  • The research indicates that, the method of Computational Fluid Dynamics can calculate the drag coefficient of the irregular parts in air and flue gas ducts appropriately.

    计算电厂烟风道设计中常见异形阻力采用计算流体动力学方法研究典型异形阻力系数

    www.dictall.com

  • The change rules of aerodynamic parameters including lift coefficient, drag coefficient and pitch moment coefficient have been analyzed when Angle of attack and fuel flow rate is changed.

    考虑不同飞行、不同燃料率下气动参数包括升力系数阻力系数俯仰力矩系数变化规律

    www.dictall.com

  • The correction result indicates that the drag coefficient error is 2%. This program can be used for the point trajectory calculation of all uncontrolled rockets and shells.

    结果表明程序阻力系数计算误差2%,适用各种无控火箭弹炮弹质心弹道计算

    dict.cnki.net

  • Drag of the train head is obtained by the method of surface integral and drag coefficient can be computed at the same time.

    通过表面积分方法得到各种列车车头阻力,进而计算得到车头模型阻力系数

    www.fabiao.net

  • Drag coefficient is the key data for bombing tables making.

    阻力系数曲线编拟投弹所需关键数据

    dict.cnki.net

  • Test results show that the drag coefficient and the law of hydrostatic pressure are independent of the entrance tube type.

    证明引入布置型式减温器阻力系数静压分布规律并无影响

    dict.cnki.net

  • The drag coefficient derived from filed measurement was 15 percent less than that of wind tunnel test. On the contrary Reynolds number has a minimal effect on lift force and moment coefficient.

    结果表明雷诺数阻力系数影响较大,现场实测值风洞试验所得约15%,升力系数力矩系数影响较小

    lib.cqvip.com

  • A simple and effective experimental design is presented in this paper to determine anchor chain drag coefficient in a towing tank.

    为了水池内测船模拖曳锚链水流中的阻力系数设计一套简单有效实验方案

    sylx.ustc.edu.cn

  • The lift coefficient(CL) and drag coefficient(CD) were calculated using different turbulence models when the Reynolds number equal to 200.

    首先雷诺数200采用不同湍流模型计算了刚性立管的升力系数CL阻力系数CD)。

    www.redlib.cn

  • Research on drag reduction mechanism of supercavitation shows that supercavitation can reduce not only the friction drag coefficient but also the pressure drag coefficient.

    超空机理研究表明:超空不仅可以减小转体摩擦阻力可以减小转体阻力

    dict.cnki.net

  • For pure pitching motion, the results show that average drag coefficient decreases as airfoil thickness is reduced.

    低雷诺数条件下,对于俯仰运动随着厚度减小平均阻力系数变小

    dict.cnki.net

  • Ben designed the fairing shell to have a drag coefficient that would allow me to achieve at least 50 KPH on less than 130 watts of power.

    设计整流罩外壳阻力系数使实现至少50公里不到13 0瓦功率

    www.tech-domain.com

  • Major factors concerned with the success of airdrop such as speed, placement of parabag and drag coefficient, are analyzed and measures to improve the current system are advanced.

    分析空投速度伞包安装位置牵引比因素空投过程影响,指出了实际系统改进方向。

    hkxb.buaa.edu.cn

  • The parameterization for the soil heat flux and the surface drag coefficient are discussed, and the more perfect method needs to combine further with measure experiments.

    土壤通量参数化方法拖曳系数的取值问题进行讨论完善的方法还有待实验测量工作相结合

    dict.cnki.net

  • It is shown that the technique can obviously reduce the aerodynamic drag coefficient of the model.

    结果表明:内部声激励能够明显地降低车身模型空气阻力系数

    dict.cnki.net

  • Experiential drag coefficient method.

    经验阻力系数

    dict.cnki.net

  • The drag coefficient of the aft wetted area of vehicle also decreased with the ventilated cavitation number.

    通气减小,超泡航行体尾部湿区域阻力系数逐渐减小

    dict.cnki.net

  • Such parameters of flow characteristics are investigated as lift and drag coefficient and vortex shedding frequencies.

    计算了圆柱阻力系数尾涡脱落频率描述绕问题主要参量

    dict.cnki.net

  • Based on the test results and movement equation established, the relationship between drag coefficient and tubular shape is obtained and the drag force imposed on pipe is calculated.

    根据试验结果建立运动方程获得阻力系数形状关系并计算了所受到拖曳

    www.chemyq.com

  • The relations between geometric parameters and drag coefficient are developed.

    提出各几何参数阻力系数关系

    dict.cnki.net

  • An algorithm for the isoprobability function of killing is also given, and ways of approaching the drag coefficient of fragments are discussed.

    还给出杀伤概率曲线函数算法讨论了破片阻力系数取值问题。

    dict.cnki.net

  • Basing on the conception of local drag coefficient in the pipeline field, the pressure drop coefficient of fluid in each inclined flue under different condition of pressed brick was calculated.

    借鉴管路计算局部阻力系数概念,进一步计算斜道区不同情况下压力损失系数

    www.chemyq.com

  • When the ratio of height to width increases, the lift coefficient aggrandizes, and the drag coefficient diminishes.

    增加升力系数增大阻力系数减小

    dict.cnki.net

  • According to the data given by the Weibull radar, the drag coefficient and angle of attack were identified.

    提出利用韦布雷达测量速度及弹道参数来辨识非常规弹丸飞行阻力系数方法。

    dict.cnki.net

  • The drag coefficient varies with the shape of the object.

    拖曳系数物体形状而异

    dict.cn

  • A series of train heads is obtained by changing the rate of length and width of a certain train head, in order to know if the rate will affect the drag coefficient.

    对于同一种车型改变了它长度得到一系列车头模型,分析计算了细长度车头阻力系数影响

    www.fabiao.net

  • Based on the achievements obtained. the theoretic formula that determine the rut size of the caterpillar tractor and the friction drag coefficient of motion was deduced.

    笔者将在基础推导履带式拖拉机车辙大小理论公式及其沿疏松土地行走时运动阻力系数

    dict.cnki.net

  • The flow velocity, drag coefficient and operating water depth would increase the bending moment and bending deformation of drill string.

    海流流速拖曳力系数作业水深增加均使得弯矩弯曲变形增大。

    html.rhhz.net

  • The analysis of aerodynamic force data shows that differ front shape is very important to aerodynamic force. For example, coach model air drag coefficient can be lowed to 0.5759 from 0.7509.

    试验数据分析结果表明不同客车前部造型气动力影响非常显著,通过改善造型使空气阻力系数0.7509为0.5759。

    www.fabiao.net

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