压气机

Made the numerical simulations and experimental verification to the flow characteristics of J90 supercharge compressor using numerical simulation method.

采用数值模拟方法，对 J90增压器压气机内的流动和特性进行了数值模拟和实验验证。

The influence of tailboard on the exit flow fields of compressor cascades with normal straight, positive and negative curved blades were investigated at zero incidence.

进行了带尾板的常规直叶片、正弯曲叶片、反弯曲叶片组成的三种矩型压气机叶栅在低速风洞上的实验研究，测量了叶栅出口流场，分析了零冲角下尾板对叶栅出口能量损失分布情况和二次流速度矢量的影响。

Axial - flow impeller compressor can be used also as a highly swirling strong swirl generator, using its strong centrifugal field and large tangential velosity component, fully utilining the high flame propagation speed in swirling flow and the strong backflow, to organize swirl combustion .

本文将轴流式叶轮压气机兼做高漩数强漩流发生器，利用其强离心力场大切向分速，充分发挥漩流下高火焰传播速度和强回流特点，组织起漩流燃烧。

This article take some turbosupercharger air compressor as the research object, discussed based on the parameter actuation fluid analysis combination optimization technology universal significance.

本文以某涡轮增压器的压气机为研究对象，讨论了基于参数化驱动的流体分析组合优化技术的普遍意义。

The results show that the uncorrelated performance curve varies obviously with different inlet pipes.

计算结果表明，不同的进口管道导致离心压气机的实际性能曲线明显变化。

The results show that the stator vane angle variation has a remarkable effect on the compressor performance.

试验结果表明，静叶角度的改变对压气机性能有着极为明显的影响。

Whirlpool fan aero-engine is the object of study of this paper,based on the deepgoing research of the phenomenon about speed lost and pant vibratility with whole engine and compressor parts,To use DSP as inner part,This paper develop the bef...

以涡扇发动机为研究对象，在对整机与压气机部件失速和喘振现象深入研究的基础上，以DSP为核心，研制出气动失稳预警系统。

The water washing device may perform on-line washing and off line washing. However, they should be performed manually.

水洗装置可进行压气机在线清洗和燃机离线清洗，但必须手动进行。

A blading design method for both axial and centrifugal compressor blades was discussed by using arbitrary camber lines.

开发了一种通用于轴流、斜流和离心式压气机叶片的任意中弧造型设计方法。

It is the cruces part of engine compressor.

该零件是发动机压气机的关键零件。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。