查询词典 vortex of vector field

The purpose of flow visualization research of sections in double delta wing is to uncover the mechanism of vortex interference and structure,from this research,we can control the vortex and provide lasis for constructing numerical model.

进行双三角翼翼面流动显示研究的目的是为了揭示前、后翼脱体涡的干扰机理和详细结构，进而达到控制表面涡分离的目的，并为计算流体力学建立数学模型提供依据。

They found that the shift from a vortex-ring to a continuous-vortex gait depended on sufficient forward velocity to provide airflow over the wing during the upstroke similar to that during the downstroke.

他们发现，转移，从涡环一个连续涡步态依赖于足够的前进速度提供的气流，机翼在upstroke类似，在

The paper introduces some researches, such as a new method to calculate the added mass for the seismic analysis of the fuel assembly in fast breeder reactor, simulation on the vortex shedding of double heat exchange tubes in a steam generator, simulation on the vortex shedding caused by the cross -flow over plates in a fuel assembly of an advanced reactor, the research on the impacting phenomenon of the free-surface on the vessel head in a storage tank as the main vessel of the China Experimental Fast Reactor shaken by the earthquake, and the researches on the solution of the liquid sloshing by moving particle semi-implicit and the scattering phenomenon caused by sloshing, and so on.

本文介绍华北电力大学在该方面的一些研究进展，例如，快堆燃料组件抗震分析新的流体附加质量计算方法研究；蒸汽发生器换热管双管漩涡脱落的数值模拟；一个先进堆燃料组件平行板上流动引起的漩涡脱落数值模拟；由地震引起的自由表面对快堆主容器冲击现象的研究；移动粒子法求解液面晃动及晃动引起离散现象的研究等。

The vortex frequency measurement is one of the key techniques in vortex flowmeter.

漩涡频率检测是涡街流量计的关键技术之一。

Through the study to the vortex theory, especially the mathematical model of Burgers vortex, we have got some factors, which affect the oil indraft performance of the device qualitatively. The main factors are principal axis rotation speed, structure dimension of whisk impeller and drainage impeller, installed positions of whisk impeller and characters of spilled oil.(3) According to the analysis of impact factors, from simple to complexity, we have done the experiment study to the artificial-jellyfish device by three steps.

2通过对Burgers涡数学模型的重点研究，对溢油回收人工水母装置吸油特性的影响因素进行了定性分析，得出了影响人工水母装置吸油特性的主要因素，主要影响因素有；装置的主轴转速、搅拌叶轮和排水叶轮的结构尺寸、搅拌叶轮的安装位置以及溢油的自身特性等。

For an irrotational vortex, vorticity is zero everywhere except at the center of the vortex.

对於一个无旋的涡，除了在涡旋的中心，涡度在每一处都是零。

Introduced vorticity by analyzing a rotational vortex and an irrotational vortex.

藉由分析有旋转和无旋转的涡来介绍涡度。

By building the reducers into the meter, the Reducer Vortex can measure lower flows than any other Vortex meter.

通过建立到米的减速，减速旋涡可以比任何其他措施涡米低流动。

It suggests that the vortex migration and crystalling phase vortex nucleation of microscale ore-forming fluid will be the another important way in which some matter in system of metallogenetic kinetics moves and exists.

这暗示，微尺度成矿流体的涡旋运移与晶相涡旋成核可能是地球成矿动力学体系中某些物质运动和存在的又一种重要的形式。

At the location of the south polar vortex for the normal year, the mixing ratios of O3 and CH4 increased, HCl and NO decreased, but NO2 and H2O did not accord with a given rule at all altitudes over Antarctica in 2002, which was related to the change of the vortex and the dynamical transportation after the SSW, and affected by the reduced polar stratospheric clouds and weakened processes of heterogeneous chemistry.

通过比较还发现，在通常年份极涡所处的位置上，2002年O3和CH4的混合比有所增加，HCl和NO的混合比有所减少，而NO2和H2O在不同高度上的变化特点不同。这与爆发性增温之后极涡和动力输送的变化有关，同时由于增温导致极地平流层云中相关冰相反应的减弱也是一个重要的原因。

For every one of my New Year resolutions, I have been a backslider for years.

说到我的新年决心，我每年都做

With empathy and focus on a feeling level, we can all relate to the common ground of mutuality of emotions.

有了同情心和感觉上一级的重点，我们都可以涉及到相互的情感共同点。