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- The thesis compares the vaneless diffuser with the vane diffuser, and indicates that the vane diffuser is propitious to improve the fan performance. 指出了斜流叶轮设置导向叶片扩压器有利于提高风机性能，因此在斜流风机中推荐使用叶片扩压器。
- All of these have a referenced meaning to understand the influence of vane diffuser and vaneless diffuser on the flowfield in the stage model. 这对于了解叶片扩压器和无叶扩压器对模型级内部流动特征的影响具有重要的参考价值。
- A numerical simulation is preformed by replacing vane diffuser with vaneless diffuser with the other boundary conditions unchanged. 本文在其他边界条件不变的条件下将叶片扩压器改为无叶扩压器进行了三维可压定常数值模拟。
- The velocity, temperature, pressure, and Mach number are analyzed according to the simulation result and the difference between vane diffuser and vaneless diffuser is studied. 由计算结果分析了叶轮和无叶扩压器内部的速度、压力、马赫数分布，并和叶片扩压器进行了对比。
- At last, the design of an “accurate-adjustable vaned diffuser” is proposed. 最后提出设计一种“可精确调节的叶片扩压器”的构思和方法。
- An Experimental investigation on the flow fi el d in vaned diffuser of a centrifugal fan has been conducted using Laser Doppler Velocimeter (LDV). 利用激光多普勒测速仪(LDV)测量了离心风机叶片扩压器的内部流场。
- The results also display the impeller's good hydraulic properties and the vaned diffuser's imperfect hydraulic properties and low efficiency. 计算结果还显示：潜油泵叶轮有较好的水力性能，而潜油泵导轮的水力性能是不完善的，效率较低。
- But the flow in vaned diffuser is complex because it is influenced by not only the rotating impeller upstream but also the block of its own blades. 但是由于受到其上游旋转叶轮的影响，以及本身叶片对流动的约束，其内部的流动情况是非常复杂的。
- Vaned diffuser plays an important role in centrifugal compressor as it can improve the performance of compressor and broaden the operating range. 离心压缩机中，叶片扩压器对提高压缩机整机性能、拓宽有效运行范围发挥着举足轻重的作用。
- The numerical simulation of the whole stage including impeller and vaned diffuser in the experiment is carried out using NUMECA software to analyze the experiment result. 借助于CFD软件对实验中的叶轮、扩压器进行了整级计算，辅助分析实验结果。
- There is a vane on top of the building. 在大楼的顶端有一只风信旗。
- Experimental study using hot wire anemometer is carried out for the vaned diffuser of a centrifugal compressor.The flowfield data are taken and reduced. 五.;建立了进行级环境下扩压器内部流场实验研究的数据采集和处理方法，并用热线风速仪进行了测量；
- In winter the weather vane often freezes up. 气象风向标在冬季经常僵立不动。
- Design and Numerical Investigation of Wedge Vane Diffuser with Splitter Blade 带大小叶片楔形扩压器设计及流场分析
- The comprehensive understanding of the flow mechanism in vaned diffuser is crucial for designing a high quality vaned diffuser.This thesis tries to carry out a deeper investigation in this field. 了解其内部流动机理对合理设计和优化叶片扩压器有着重要的指导意义，而目前对叶片扩压器内的流动情况作透彻分析的工作开展得还很少，本文试图在这一方面作出更深入的研究。
- These diffusers include vaneless diffuser, vaned diffuser, low solidity diffuser and half-guide-vanes diffuser. 采用的扩压器包括无叶扩压器、叶片扩压器、低稠度扩压器和半高导叶扩压器。
- Application and Investigation of Vane Diffuser on Small Flow Centrifugal Compressor 叶片扩压器在小流量离心压缩机中的应用研究
- A wheater vane crowns the building. 淡黄色的风信旗加顶于建筑物。
- This device operates similarly to the vane pump. 这种装置的运转情况与叶轮泵很相似。
