查询词典 vortex plate

Some conclusions were drown: there were different sizes of vortex in the cyclone tube; in the inner vortex region the vortex microscal was small, and the energy dispersion rate was high.

这样，气流的脉动带动了颗粒的脉动，气相湍流的扩散同样引起固相颗粒的湍流扩散，而且不同尺度的气相湍流涡旋对不同粒径的颗粒所产生的影响也是不同的。

The development of vortex is studied with ZHANG Han-xin′s vortex analysis theory. In addition,the second vortex breakdown performance and the grid influence are discussed in this article.

结合张涵信的旋涡定性分析理论对旋涡的发展过程进行研究，此外，还对二次涡破裂现象和网格分布影响等问题进行了探讨。

The development of vortex is studied with ZHANG Han-xin′s vortex analysis theory. In addition,the second vortex breakdown performance and the grid influence are discussed in this article.

连合张涵信的旋涡定性剖析表面对旋涡的成长历程举行研讨，另外，还对二次涡碎裂表象和网格漫衍影响等题目举行了探究。

The research result cannot satisfy the need of engineering design.In this paper, according to practical liquid differential equation ,allowing for moving rule and characteristic of moving field of vertical vortex , simplifying N-S equation, I have studied the discipline of condition, velocity and pressure of vertical vortex and analyzed some theory solutions such as plain vortex solution and solution in axial direction.

本文从实际流体运动微分方程出发，结合立轴旋涡运动规律和流场特征，采用对称恒定性假设，简化N—S方程，研究了立轴旋涡的水流流态、速度与压力的分布规律，分析了若干理论解，如平面螺旋流解、轴向流解等。

The author established the axisymmetrical bubble with the vortex sheet and the vortex ring and established the three-dimension bubble with vortex ring respectively based on the achievements of the former researchers.

本文在总结前人研究成果的基础上，分别建立了轴对称涡面模型、涡环模型以及三维涡环模型。

The rolling-up of the leading-edge vortex sheet and interaction with the trailing-edge vortex are simulated numerically by using the two-dimensional unsteady analogue and vortex-in-cell method.

本文应用二维非定常比拟和恪子涡(Vortex-in-Cell)方法，数值模拟了三角翼前缘涡层的卷起以及与尾涡的相互作用。

Delta wing ; vortex method ; detached vortex ; vortex sheet.

三角翼；涡方法；脱体涡；涡层

In vortex ring zone, streamwise vorticity and vortex ring wrap together and interact each other. This interaction leads to the breaking of vortex ring.

在涡环区，流向涡和涡环相互缠绕，相互作用，导致涡环的空间失稳及最终破碎，涡环的破碎标志射流开始转捩进入湍流阶段。

In addition, the effect of the performance improvement and the influences on the flow filed due to the installation of flow-guide plate and the vortex generators and the change of outlet position will be investigated by executing a series of numerical simulation and comparison. Also, the optimum design parameters of the flow-guide plate, the vortex generators, and the outlet position will be found respectively.

接著对此集热器之循环水套，分别进行「变更出水口位置」、「加装导流板」以及在导流板上添加「涡流产生器」等一系列的改良设计与流场模拟分析比较，以找出最佳之设计参数组合。

Plate and λ/2 plate were placed inside the Nd∶YVO4KTP green laser cavity with angle 90°between their fast axis.The composite plate composed of HWP,QWP and KTP has the function of QWP.The composite plate with Nd∶YVO4 can effectively suppress the coupling of polarized modes,and multi-longitudinal-mode lownoise green laser was obtained.Since the composite plate counteracted the phase shift induced by temperature sensitivity of quartz plate,the green laser operated with lownoise reliability in different output power and different operation temperature.The threelongitudinalmode, the noise of less than 0.5% and output power stability of less then 1% for 12 hour are obtained in the green laser.

介绍了一种LD泵浦腔内倍频全固体Nd∶YVO4KTP多纵模、低噪音、高功率稳定绿激光器在Nd∶YVO4KTP绿激光器组成的谐振腔内放置厚度约相等的石英晶体λ2波片和λ4波片，使两波片快轴夹角互呈90°，HWP、QWP与KTP构成复合波片，其作用相当于QWP，此复合波法与各相异性Nd∶YVO4共同作用有效抑制了腔内偏振模耦合，获得多纵模低噪音绿光输出此复合波片相互作用由于抵消了石英晶体波片温度敏感引起的相位延迟量漂移，所以此激光器在不同功率、不同工作温度下，均能稳定可靠地运转于低噪音状态实验结果为，绿光输出纵模数为3个，噪音小于0.5%，12 h功率稳定性优小于1

Use nationalization degree and the relationship that commercialize degree, condition of calculable market economy plays scope of optimal and state-owned economy.

利用国有化程度与市场化程度的关系，可计算市场经济条件下最佳国有经济规模。

The kinds of extractant also effected desulfurization rate .

萃取剂对脱硫率的影响也很大，乙二胺的萃取效果优于甲醇的。