曳力

Comparing the results obtained by two different cylinders arrangements, the axis of cylinder perpendicular to the coming flow direction and parallel to that, the divergence between these two cases was very obvious.

通过对两种不同颗粒摆放条件的流动进行计算发现：对于不同的颗粒与来流角度，非球形颗粒所受到的曳力具有较大的差别。

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。

Based on a two-phase flow momentulm equation and a mechanical energy balance equation, an expression for the buoyance on the fluidized partiles has been derived.

表明了广泛应用的拟均相模型的不合理性，提出了应采用分离流模型来分析散式流态化中颗粒的受力情况，证明了流化颗粒所受浮力符合阿基米德原理，即，还推导了流化颗粒所受流体曳力的表达式：并用实验对其进行了验证。

Effects of buoyance on oil droplets migration in waterflood process;2. Based on a two-phase flow momentulm equation and a mechanical energy balance equation, an expression for the buoyance on the fluidized partiles has been derived.

表明了广泛应用的拟均相模型的不合理性，提出了应采用分离流模型来分析散式流态化中颗粒的受力情况，证明了流化颗粒所受浮力符合阿基米德原理，即，还推导了流化颗粒所受流体曳力的表达式：并用实验对其进行了验证。

Based on the energy budget analysis of collisional dissipation, particle kinetic energy and particle potential energy, it shows that the main different between the effect of restitution coefficient and drag force on the heterogeneous flow structure is that the former effects the particle agglomeration chiefly and the later effects the bed height mainly.

从碰撞耗散、颗粒动能和颗粒势能的角度分析了二者的作用机理，发现恢复系数和曳力对流动结构的作用主要区别在于对颗粒团聚和床层膨胀的影响程度不同。

Using predecessor's experiences,also taking account of Coriolis force and three directional coal gas flow,the trajectory mathematical model of burden flow is built.

在总结前人料流轨迹计算模型的基础上，考虑了科氏力及三个方向煤气曳力对炉料运动的影响，建立了料流轨迹数学模型。

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。

The results show that the stronger the particle-particle collisional dissipation and gas-solid drag force, the more heterogeneous the flow structure.

计算结果表明颗粒间非弹性碰撞和气固间曳力的增大均使气固两相流动的非均匀性增大。

Present fluidized bed designs do not consider the effect of biofilm, but the fluidization of bioparticles is different to that of smooth carriers, thus terminal free-fall velocity u in Richardson-Zaki equation and drag coefficient C should be modified.

目前流化床设计一般没有考虑生物膜的影响，但生物颗粒的流化行为有别於光滑载体，因此需要对曳力系数C和膨胀特性方程中的u进行必要的修正。

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。

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。