查询词典 diffuser

The second part of this paper presents a CFD-simulation of the performance of straight-walled and curved-walled micro nozzle/diffuser by FLUENT software. Such nozzle/diffusers are mainly used in micro venturi and also applied to valveless micropumps.

而在速度分布部分，当流量为5.338 mg/min时，宽度为150微米的喉部区流速已经高於声速，随后因速度不断增加，空气黏滞力影响了速度分布而产生了速度冲击现象。

The valveless micropump consists diffuser/nozzle elements, driven by an electromagnetic/ mechanical driver. Only dry batteries are needed.

该微型泵体采用无阀式的扩散管/喷嘴结构，由电磁—机械方式驱动振膜的振动，用干电池作电源。

Finally three-dimensional aerodynamic calculation for vaned diffuser is performed.

最后完成了带叶扩压器的三维计算。

The effect of the incline angle on the fluctuation of the flow field in both the impeller and vaned diffuser is also studied.

分析了扩压器叶片倾角变化对扩压器叶片压力面流动的影响，同时分析了倾角变化对叶轮和扩压器间相互干涉造成的流场波动的影响。

Unsteady simulations are performed to study the interaction between the impeller and vaned diffuser.

对离心压气机和向心涡轮进行性能匹配，并与整机的实验结果对比，能较好的预测微型燃气轮机的共同工作曲线。4。

The clarification of mixed flow pumps with vaned diffuser is conducted due to specific speed.

由于斜流泵兼有离心泵和轴流泵的优点，其应用范围越来越广。

In the present study, the experimental and numerical investigation is carried out at an outward volute of circular cross section cooperating with a centrifugal impeller and a vaned diffuser.

本文对一个包含叶轮、有叶扩压器和蜗壳的单级离心压缩机进行了实验和数值研究。

PIV technique, a non-touch measurement method, was used as the experiment means. The unsteady flow within the vanelesss and vaned diffuser were measured and analyzed first time in our country.

实验中采用非接触式的PIV光学测量技术，在国内首次使用PIV技术对无叶扩压器、有叶扩压器两种结构形式扩压器内部的非定常流动进行了测量，分析了其中的流动特性。

The reasonable radial gap is discussed to optimum the performance of the compressor. For the analysis of the different vane incline angle, the focus is the investigation on the flow field of the pressure side in the vaned diffuser.

分析了无叶扩压段变化对离心压气机性能的影响方式，以及其对叶轮和扩压器相互作用强度的影响，探讨了合理选择无叶扩压段对于离心压气机性能的优化的可能。

The unsteady flow induced by two blunt bodies between two parallel walls is compared with the STARCD software result. The unsteady turbulent flow field within impeller and vaned diffuser in centrifugal fan is computed for the first time in China.

对Couette流动和同轴旋转圆柱面间流动的计算验证了移动网格方法和改进后PISO算法的可靠性；进而对平行平板间两相对运动钝体绕流的非定常流场进行了计算，其结果与STAR-CD软件结果一致。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样