An optimal hydraulic design method of diffuser for helico-axial multiphase pump

The curve and surface of the bend-shaped diffuser of centrifugal pump are structured by NURBS ( Non-Uniform Rational B-Spline) method in the design process.

论述了采用非均匀有理B样条（NURBS）方法，在离心泵弯曲形扩散管设计过程中构造曲线和曲面；

Study on CAD of Bend-Shaped Diffuser of Centrifugal Pump Based on NURBS

基于NURBS的离心泵弯曲形扩散管的cad研究

The Calculation and Analysis of Multistage Diffuser in Centrifugal Pump Using CFD

多级导叶式离心泵导叶内部CFD计算分析

Study on computer aided interaction design for diffuser of centrifugal pump

离心泵扩散管计算机辅助交互设计方法研究

Research on Output Volumetric Flux of Multi-chamber Nozzle/ Diffuser Piezoelectric Pump

多腔体并联锥形管无阀压电泵输出流量研究

Simulation Investigation on Flow-Behavior of exhaust gas diffuser for a radial-inward-flow turbine

径流式涡轮排气扩压器流动性能模拟研究

Many of the difficulties just described are avoided by the use of an auxiliary ejector and an engine exhaust diffuser which are placed in tandem.

利用直列放置的发动机排气扩压器和辅助引射器，可以避免上述许多困难。

The function of exhaust diffuser is to transform part of momentum energy of exhaust gases from engine into pressure energy to simulate actual exhaust back pressure and environment pressure.

排气扩压器的作用是将发动机排出燃气的部分动能转换成压力能，真实模拟发动机排气反压和环境压力条件。

The localized design and performance analysis of gas turbine exhaust diffuser determine the performance of whole gas turbine exhaust system and the safety of waste heat boiler.

燃气轮机排气扩散器的国产化设计、性能分析等关系到整个燃机运行的性能，以及后续余热锅炉的安全运行。

Limit point flow mode analysis of exhaust diffuser and operation characteristics of injector

排气扩压器极限点流动模式分析及引射器工作状态特性

Design and Experimental Investigation of Exhaust Diffuser of Jet Engine Test Bed

空气喷气发动机试车台排气扩压器设计及试验研究

A New Method of Improving a Diffuser with the Shroud Vane Effects of leading-edge modification on secondary flow in turbine cascades

无叶扩压器轮盖侧加装导叶的改进方法叶片前缘改型对涡轮叶栅二次流的影响

The investigation shows the performance gets quite insensitive to the prewhirl angle of IGV as the stagger angle of diffuser vane is reduced to the minimum 7 °;

研究表明：扩压器进口安装角最小值为7°时，压缩机性能对进口导叶预旋角不敏感；

A Study on the Effect of Step Diffuser and Holey Plate Installed in Open Type Headbox

孔板和阶梯扩散器对敞开式流浆箱性能影响的研究

Sprayed BaSO 4 diffuser plate is the most Lambertian surface actually used in spectral radiance calibration known by now.

表面喷涂硫酸钡的漫反射板正入射时是最接近朗伯特性的用于标定光谱辐射亮度的实用漫反射板。

Application of BaSO_4 Diffuser Plate in 250-400 nm Spectral Radiance Calibration

硫酸钡漫反射板在250～400nm光谱辐射亮度标定中的应用研究

A optimal diffuser stagger angle should exist at a fixed mass flow rate to make the diffuser have highest efficiency;

在给定的流量工况下，应存在一个最佳的进口安装角，使得扩压器效率最高；

The results, which obtained by using radial diffuser, show that due to the high loss through the diffuser, the efficiency of the liquid hydrogen pump is lower.

采用径向导叶的液氢泵的试验结果表明，导叶损失大，导致液氢泵效率低。

Some special requirements must be considered in rocket design, such as the flight Mach number during sampling flight, the flow coefficient and aerodynamic characteristic of sampling diffuser, the efficiency of filter material and others.

该火箭的设计需要考虑取样飞行马赫数、取样扩压器的流量系数和气动特性、取样过滤材料的效率等特殊要求。

Therefore, when the endoscope is used for illumination, softer and diffused light rays can exist, when the luminous source is used as the illuminating lamp, better brightness can exist.

据而，在内镜照明时可有较为柔和扩散的光线，而作为照明灯使用有更好的亮度。