查询词典 drag force

The settlement regularity of particle under non-linear drag force, Basset force and virtual mass force is analysed.

分析了颗粒在液体中受到非线性曳力、Basset力以及虚拟质量力作用时的沉降规律。

The new technology makes the sucker rod string downwards easily by applying a downward hydraulic force at the bottom of the hollow sucker rod string, which effectively solves the problem of large drag force on the downstroke in the present technology of this kind.

介绍了一种新型空心杆采油工艺技术，这种技术采用了具有液力反馈原理的空心杆抽油泵，该泵的特点是能有效地减小空心杆的下行阻力，并能增加抽油杆的下行动力。

In this model,the correlation of interphase force,including drag force and virtual mass force,was used to provid...

模型中考虑了二相之间的作用力，包括液滴所受的曳力和虚拟质量力。

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。

The control effect of electromagnetic force on cylinder wake, lift force and drag force, which was caused by alternating current, is related to its frequency.

而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用，则与所使用的频率有关。

The drag force model is improved, especially, effect of turbulence diffusion is considered in constituting the drag force model.

根据掺气水流的特点，重点对相间阻力模型进行了改进，特别在构建相间阻力本构关系式时考虑了湍流扩散的影响。

Drag through a liquid , however, though similar to friction, is directly related to the speed of an object. The faster an object moves, the more drag force is applied to it, i.e.

上面的代码中涉及到的力，我们是假设已经知道了力的大小并直接给出的值，下面我们来看看一些力的具体计算方式。

Through the theory analyse, we gave the concept of broad sense and the formula of drag force, then analysed main facts of drag force; based on existing experiment datas and theory results, the thesis discussed calculate method for hydrodynamic pressure and pulsating pressure which effect on soleplate, at the same time, based on special structure of local material dam overshot spillway and essentiality of safe flowing, we gave advice on fixing parameter.

通过理论分析，提出了广义拖曳力的概念并推导出拖曳力的计算公式，分析了影响拖曳力的主要因素；根据已有的试验资料及理论成果对作用于底板的动水压力和脉动压力的确定方法进行了探讨，并依据当地材料坝坝体溢洪道的结构特殊性和泄水安全的重要性，对有关参数的合理取值提出了建议。

It showed that the flow regime and the forces were closely related to each other.Calculation indicated that the interfacial tension force, static pressure force, viscous drag force and dynamic lift force were the main forces acting on the droplets. The formation process of the droplet was studied.

在一定条件下计算了液滴所受的力，结果表明，表面张力引起的力、液滴内外静压差产生的力、平行于膜表面的流动曳力和运动浮力是主要的力；在此基础上，探讨了液滴的形成过程。

The drag force between descending packed bed and gas flow is discussed by the drag coefficient of Ergun's equation. The calculation tool is ANSYS-CFX and the numerical method is finite volume method.

两相流中的阻力系数应用流体化床领域的Ergun's equation来探讨气体流经向下移动中的堆料床所造成的作用力。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。