查询词典 vortex flow

Experiments were performed in horizontal and vertical conduits with diameter of 50 mm respectively, adopting air and water as flow media and a triangular prism as the vortex-forming body.

以空气和水为介质，以三角柱为旋涡发生体，在内径为50mm的水平管和垂直上升管中分别进行实验，分析雷诺数和体积含气率对气液两相流涡街稳定性的影响。

Therefore, only elimination of reflux and the vortex, so that uniform distribution of flow velocity in order to ensure the normal operation of pump unit.

因此只有消除回流和漩涡，使水流速度均匀分布，才能保证水泵机组的正常运行。

The results show that the ratio of jet velocity to free flow velocity affects the location of vortex breakdown.

结果表明，后缘喷流速度与自由来流速度之比影响前缘涡破裂的位置。

Flow visualization and laser velometer measuring results show that the radialdistribution of turbulent intensity and turbulence stresses grow with the increase of voidfraction until large vortex formed near the pipe wall,and the formation of Taylor bubbleor the coalescence of bubble cluster should be restrained by intense turbulence.

流动显示和激光测速计的测量表明，湍流强度和湍流应力的径向分布均随空隙率的增长而迅速增长，直至在近壁形成大尺度涡结构，使Taylor泡的形成或气泡群的聚并被强湍流的作用抑制。

Among the flowmeters discussed are orifice plate meters, venturi meter and standard nozzles, critical flow venturi nozzles, positive displacement flowmeters, turbine and related flowmeters, vortex shedding and fluidic flowmeters, electromagnetic flowmeters, ultrasonic flowmeters, and coriolis flowmeters.

在讨论的是孔板流量计米，丘米和标准喷嘴，文丘里喷嘴临界流，容积流量计，涡轮机和相关流量计，涡脱落和射流流量计，电磁流量计，超声波流量计和科氏流量计。

X strong deceleration on the southwest flow occurred when the low vortex with shear line move to the sea.

3当切变线低涡离陆入海时，X矢量则对西南气流产生强烈的减速作用。

It is proved that the dual time step algorithm is efficient in the simulation of unsteady flow with the prediction of vortex shedding over circular cylinders and shock buffeting over bicircular airfoils.

在非定常流动的数值模拟中引入隐式双重时间步方法，并对2种经典的非定常流动现象进行计算，取得令人满意的结果，证明双重时间步方法具有较好的精度和较快的收敛速度。

There have been an amount of researches devoted to vortex merger in twodimensional inviscid flow.

二、旋涡合并的研究，以前大都局限于二维无粘模型。

The flow rule and energy separation phenomena happened in vortex tube are unconventionally complex.

发生在涡流管内的流动规律以及由此所产生的能量分离效应异常复杂。

Based on the simulation, a new model was established to understand the mechanism of the temperature separation effect with the cold mass flow fraction in a vortex tube by analogizing it as a heat exchanger.

用模型结果同Hilsch实验结果中的NO2涡流管P_(in/P_=4，两个喷嘴和作者的实验结果进行对比，结果符合较好。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。