英语释义

• the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body

片语

drag growth coefficient阻力增长系数

annulus drag coefficient环周曳力系数

drag force coefficient阻力系数

wind drag stress coefficient风拖曳力系数

aerodynamic drag force coefficient气动阻力系数

drag augmentation coefficient附加帆

fluctuating drag force coefficient波动阻力系数

drag-lift coefficient阻举系数

英汉例句

• 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.

  对土壤热通量的参数化方法和拖曳系数的取值问题进行了讨论，更完善的方法还有待于与实验测量工作相结合。

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

  计算了圆柱的升阻力系数、尾涡脱落频率等描述绕流问题的主要参量。

• the modifications to integral method of fogdrop moving differential equation and calculation method of fogdrop moving drag coefficient were made.

  因此，对逆流喷雾干燥塔中雾滴运动微分方程的积分方法和雾滴运动阻力系数的计算方法进行了改进。

• the friction drag coefficient increases with increasing afterbody fineness ratio and decreasing reynolds number.

  后体摩擦阻力系数分别随后体的长细比的增加和雷诺数的减小而增加；

• where ρ is the density of air, a is the cross sectional area, and c is the drag coefficient for a cylinder.

  上述表达式中，p表示空气密度，a代表圆柱的横截面面积，c代表圆柱的牵引力（阻力）系数。

• when f is larger than 12.2371, the vegetation roughness coefficient and drag coefficient decrease as f increases.

  若植被抗弯指数f值大于12.2371，植被糙率系数和阻力系数随f值的增大而减小。

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

  还给出了等杀伤概率曲线函数的算法，并讨论了破片阻力系数的取值问题。

• 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.

  考虑了不同飞行攻角、不同燃料流率下气动参数，包括升力系数、阻力系数和俯仰力矩系数的变化规律。

• further analysis indicates variations of wheels「 drag coefficient are the results of changes of vortex characteristics in the surrounding flow field.

  模拟结果表明，车轮阻力系数改变是由其周围流场中涡流特征的变化所致。

• 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.

  根据试验结果和建立的运动方程，获得阻力系数与圆管形状的关系，并计算了圆管所受到的拖曳力。

• as the growth of the cross section of the rectangle inlet, the lift coefficient varies little, but the drag coefficient increases dramatically.

  矩形进气道横截面积增加，对升力系数影响不大，但阻力系数增加明显；

• experiential drag coefficient method.

  经验阻力系数法。

• the reynold」s number at which the drag coefficient drops therefore depends on the surface roughness of the ball.

  当气流为层流且阻力系数高时，空气流经球体，空气和球的表面接触的边界层「分离」得比较早，并在其后产生旋涡。

• 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.

  本设计的整流罩外壳有阻力系数，使我实现至少50公里不到130瓦的功率。

• 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的空气阻力系数。

• assuming that the amount of spin had not decayed too much, then the drag coefficient increased.

  假设转速衰减很少，那么阻力系数增加。

• 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.

  为计算电厂烟风道设计中常见异形件的阻力，采用计算流体动力学方法研究了典型异形件的阻力系数。

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

  提出各几何参数与阻力系数的关系。

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

  在低雷诺数条件下，对于纯俯仰运动，随着翼型厚度的减小，平均阻力系数也变小。

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

  随通气空化数的减小，超空泡航行体尾部沾湿区域阻力系数也逐渐减小。

• 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：该程序的阻力系数计算误差为2％，适用于各种无控火箭弹和炮弹的质心弹道计算。

• 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.

  借鑒管路计算中局部阻力系数的概念，进一步计算了斜道区不同压砖情况下的压力损失系数。

• the lift and drag coefficient of flapping-wing mav in different motion modes are calculated.

  计算了扑翼微飞行器在不同运动模态下的升阻力系数；