提出各几何参数与阻力系数的关系。
The relations between geometric parameters and drag coefficient are developed.
假设转速衰减很少,那么阻力系数增加。
Assuming that the amount of spin had not decayed too much, then the drag coefficient increased.
然而,阻力系数CD,也取决于球的速度。
It appears, however, that the "drag coefficient", CD, also depends on the velocity of the ball.
研究圆柱绕流中拉力系数的自适应计算问题。
We study adaptive computation of drag-coefficient of flow around a cylinder.
经验阻力系数法。
土压力系数与土压力数值大小的变化规律相一致。
The coefficient of earth pressure changes accordantly with the value of the earth pressure.
但是,旋转速度不变的情况下增加球速会降低升力系数。
However, increasing the velocity at a given spin reduced the lift coefficient.
还给出了表面摩擦力系数和边界层位移厚度的计算结果。
Results of calculated skin friction and displacement thickness are given.
计算得到的兴波阻力系数与试验结果结果相比,吻合良好。
Compared with model basin test data, the result of computation is accurate.
计算中采用的流体水动力系数,取自系列船模试验的资料。
The hydrodynamic forces coefficients adopted in calculation are taken from the information of the systematic test of ship models.
优化后的举升机构,有较好的举升力系数曲线和油压特性曲线。
The lifting mechanism after optimization features better characteristics curves of lift force factor and hydraulic pressure.
利用承载能力系数可算出更符合实际的各齿对分别承受的载荷。
The load on each mating teeth pairs may be calculated respectively through the use of the coefficient.
阻力系数和雷诺·尔德数与悬浮颗粒的下沉速度紧密联系在一起。
The drag coefficient and the Reynolds number are tightly related with the settling velocity of suspensions.
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。
It is shown that the technique can obviously reduce the aerodynamic drag coefficient of the model.
桥梁断面表面压力系数、最小压力系数等是桥梁断面重要的参数。
The surface pressure coefficient and the minimum pressure coefficient of a bridge deck section are important parameters of the bridge.
论文主要研究从弹丸自由飞行数据中如何准确地拟合空气动力系数。
This paper mainly studies how to accurately fit the air dynamics parameter by the ballistic data of projectiles' free flight.
讨论了各种因素对轴向水推力的影响,包括各项推力系数的选取和修正。
Screw propeller theory is then used to calculate the axial thrust and to analyze factors that influence the thrust.
压强分布和升力系数的计算值与现存文献的数值结果和实验数据是一致的。
Predicted pressure distribution and lift coefficient are in agreement with numerical results and experimental data available in the literature.
传统的后缘襟翼有助于延缓失速到一个更高的升力系数,但只有有限的成效。
Conventional trailing-edge wing flaps help delay the stall to a higher lift coefficient, but only with limited effectiveness.
观察了单腿破断时张力腿平台的平面运动、稳性、张力的重新分配和动力系数。
The TLP plane motion, stability, redistribution of tether force and dynamical factor has been viewed, during the rupture of one leg.
反蛋白石是一种有着微管道结构的薄片,它表面张力系数不同的液体非常的敏感。
The inverse opal is a chip with micro-channels sensitive to liquids of specific surface tensions.
由于前缘涡的影响,翼型厚度增加,平均压差阻力系数变小,甚至会出现负值。
As airfoil thickness is increased, the average pressure drag, affected by leading edge vortex is reduced even to be negative, and meanwhile friction has little increase.
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13 0瓦的功率。
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.
计算结果表明,压力高和液体流量大的体系,其摩擦阻力系数和表观粘度值均较高。
The calculation results showed that the friction factor and apparent viscosity of hydrate slurries increase with increasing pressure and flow rate.
这将有效地“拉”前沿周围的空气,从而防止失速到一个更高的入射角和升力系数。
This effectively "pulls" the air around the leading edge, thus preventing the stall up to a much higher Angle of incidence and lift coefficient.
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。
For pure pitching motion, the results show that average drag coefficient decreases as airfoil thickness is reduced.
本文以平均力法求铣削力系数为基础,采用二次回归方程,建立了铣削力系数模型。
On the basis of average method for milling force coefficient, a model of milling force coefficient has been built.
在失速迎角后,尖顶襟翼对升力系数的提高有明显的效果,而对阻力系数的影响不大;
The apex flap deployment had a promising effect on the lift after stalling angle, but it had little effect on the drag.
在失速迎角后,尖顶襟翼对升力系数的提高有明显的效果,而对阻力系数的影响不大;
The apex flap deployment had a promising effect on the lift after stalling angle, but it had little effect on the drag.
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