查询词典 instantaneous angular velocity

The flow field of free jet was measured by PIV. The instantaneous velocity vectors of the core region of jet was studied experimentally.

利用PIV技术测量了射流流场，得到了自由射流核心区的瞬时速度场，并对实验结果进行了分析总结。

In this paper, an advanced measurement technique—particle image velocimetry was performed to obtain the instantaneous two-dimensional velocity distributions at some sections in the cyclone.

同时本文还使用计算流体力学软件—FLUENT提供的Reynolds应力模式对旋风分离器内的纯气相湍流场进行了数值模拟。

The LDV instrument for instantaneous velocity measurement is developed which connected with the technology of optics, mechanics, electronics and computers designed.

并对仪器的光、机、电、算进行了总体设计，研制出适用于瞬态变速的激光多普勒测速仪。

These nonlinear coupled equations are solved by numerical method. First, by means of Simplex Method, searching out the instantaneous velocity of the center of mass of the crane, then all the other dynamic parameters are calculated.

方程组的求解，采用了离散数值解法，首先用直接搜索的单纯形法，解出起重机质心各瞬时的运动速度，进而计算出所有的动力参数。

ABSTRACT Particle image velocimetry is emerging as a powerful measurement technique, which can give the instantaneous planar velocity...

PIV是一种非接触、无扰动、全流场光学测速系统，它能测量的瞬态平面上的速度并能在线观察流场情况。

With the increment of the gas flux, void wave main instantaneous velocity increases.

随着气相流量的增大，空隙率波主要瞬时波速增大，瞬时波速概率分布产生波状推进。

The significance of the standard with meteorological conditions, such as wind, including the instantaneous velocity at an average speed, 2 minutes, 10 minutes on average speed, the general weather forecast PuFu wind is 2 minutes?

气象意义的风具有标准条件，比如风速时距，包括瞬时风速、2分钟平均风速、10分钟平均风速，请问一般天气预报中的蒲福风力等级是2分钟的吗？

The result shows that the dynamic yielding strength of metal is 1~1000 times higher than its static yielding strength during the course of high pressure high velocity and instantaneous plastic deformation.

这种塑性变形与常规压力加工咖轧制）过程中金属的塑性变形在形式和形状上相似。

The concentration and velocity distributions as well as the instantaneous drop of voltage and the cathode and anode electric current and their variations between exchange membrane are also investigated in fuel cell start-up and step-up process.

并探讨燃料电池启动与加速过程内之浓度场与速度场分布，以及在启动与加速之瞬间电压降与浓度、阴极与阳极之电流、与交换膜之间的影响。

An example of another type of anemometer in which the airstream displace s an indicator giving an instantaneous reading of velocity or flowrate is the rotameter.

另一类流速计的典型代表是转子流速计。这种仪器的工作原理是气流使一指针偏转，指示出瞬时速度值。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。