压气机第16级有多处静叶受异物打击受损。
Stage-16 Stator Vane was damaged by foreign objects on several places.
上游静叶干涉减少了动叶顶部二次泄漏流强度。
Upstream stator-rotor interaction reduces the double leakage flow intensity in the rotor tip region.
同时,静叶可调角度的配比对压气机低速性能有很大影响。
Also, the match of variable stator vane Angle has a strong effect on the compressor performance.
下游静叶干涉增加了动叶顶部间隙流的非定常波动强度和泄漏损失。
Downstream rotor-stator interaction increases the unsteady fluctuating intensities of the rotor tip clearance flow and the tip leakage loss.
本文应用后加载技术设计了一种具有后部加载特性的极小展弦比静叶栅。
An ultra low-aspect stator cascade with rear-loaded characteristics was designed by using the rear loading technology.
本文采用数值模拟研究串列叶栅后排静叶周向位置对压气机级性能的影响。
This paper presents a numerical study on the performances of a compressor stage under different circumferential positions of the rear blades of tandem stator.
因此,静叶弯曲后改善了近失速点的流动,扩大了低速压气机的稳定工作范围。
The flow near the stall point was therefore improved, and the stable operation range was expanded.
三维时序定位本文尝试改变第二级静叶前缘线的形状,以期达到最大化时序效应。
In 3d condition, we try to change the performance of second stator's leading edge to make the best use of clocking effect.
闲下来乐意做个素心的人,煮水,洗盏,不慌不忙得为自己泡上一壶绿静叶嫩的花茶。
Happy to be retired and sit Susan people boil water, wash light, calmly got yourself a pot of green tea vanes tender.
采用圆筒壁与肋片传热等简化模型来计算汽封块、静叶和隔板的传热过程总传热系数。
Simplified heat transfer models like cylindrical surfaces and fins are used for calculating the overall heat transfer coefficients of gland blocks, stationary blades and diaphragms.
研究结果表明:通过静叶优化,有效地改善了压气机的低转速性能,拓宽了稳定工作边界;
The results show that the compressor performance at low speed is effectively improved and the surge limit is expanded with optimization of the stator vane.
本文采用全三维粘性数值模拟方法研究了重复级低速压气机不同静叶弯角对流动特性的影响。
Simulation of 3D flow in a repeated low speed compressor about the effects of bowed stators on flow performance was presented in this paper.
经优化后,透平高压级静叶的总压损失系数减少0.95%;多级压气机整机效率提高2.1%。
After optimization, the total pressure loss of the turbine vane was reduced by 0.95%, and the efficiency of the overall compressor was increased by 2.1%.
该涡轮导向器的一个显著特点是由于结构上的要求,静叶前子午流道在上端壁具有较大的扩张角。
A feature of this guide vane was existence of a long inlet duct with big meridional divergent angle in order to fulfill the requirements of the structure.
给定不同型式的进口边界层,在两种不同亚音速条件下对一平面扩压静叶栅的弯叶片流场进行了数值模拟。
For several given types of inlet boundary layer, a numerical investigation on flow field of bowed stator vanes under two inlet subsonic Mach Numbers was carried out.
小径高比的叶片采用静叶片的正倾斜的方法能够有效地控制流道内部的径向二次流和叶栅顶部的分离流动;
The method of forward leaning stator blade, which can effectively control the radial second flow and the top separate flow, is applied to the design of the small diameter-height ratio blade.
根据数值研究结果分析了不同弯静叶方案下级内流动特性、气流参数的变化,给出了四种静叶方案的级效率。
The characteristics of the flow and the variation of the parameters are analyzed according to the numerical solvers. The efficiency of the stage with four different stators is presented.
通过分析双叶排的轴向间距对损失及整个流场结构的影响,解释了静叶排加入对旋转失速发生所起的抑制作用。
The influence of axial distance between two blade rows on the loss and the whole flow flied is analysed. Both calcula…
同时根据气封间隙泄漏流的流动特性,采用一种针对静叶流道的优化方法,以期改善泄漏流对压气机整体性能的影响。
According to the properties of cavity flows, a certain optimization method is applied on the hub in order to improve the performance of compressors.
以一台300MW汽轮机组的调节级静叶栅为研究对象,就轴封漏汽对叶栅二次流及出口流场的影响进行了数值模拟。
In this paper the effects of gland leakage on the secondary flow and outlet flow fields in the governing stage stator cascade of a 300mw turbine set are simulated numerically.
在四种不同弯曲静叶方案下利用CFD流场计算软件NUMECA对某汽轮机弯曲叶片级的内部三维流场进行了数值模拟。
The numerical simulation of three dimensional flows in a steam turbine stage with four different curved stators is completed using commercially available CFD code NUMECA in this paper.
本文以拉格朗日方式研究叶轮机内动、静叶间的相互作用,通过直接跟踪流体涡团的时间历程,来描述流体的非定常流动过程。
The Lagrangian vortex method is applied to direct description of the unsteady flow due to rotor-stator interaction in turbomachinery by tracing the trajectory of vortices.
基于小型轴流压气机实验台,运用热线风速仪(HWA),对不同转速、流量工况下,静叶排出口尾迹流动特性进行实验研究。
An experimental study of the stator blade wake in a small axial compressor is performed by using a hotwire anemometer (HWA) under different rotating speeds and mass flow conditions.
利奥尔博士表示,这样的新型结构不再需要两组静叶,也就意味着减少了一些部件的“旋进式燃烧管”引擎(发动机)(OCN)造价将会更低。
This, says Dr Lior, eliminates the need for the two sets of static blades. That means an OCN engine can be built more cheaply with fewer components.
通过对TRT静叶不同步问题的原因分析,制定了两个解决方案,选择了提高自动化技术方案,解决了静叶不同步的难题,延长了TRT运行周期,经济效益可观。
The plan of increasing automation technique was selected, which solved the non synchronous problem of the stator blades, prolonged TRT running period and obtained significant economic benefit.
提出了一种基于高精度性能模型的轴流通风机喘振故障预报方法,以实现动(静)叶调节轴流通风机喘振故障的预报。
Forcasting method of surge trouble based on high_accuracy fan performance model is put forward in order to realize surge trouble forecasting of axial fan adjusted with rotary and stationary vanes.
目的:观察复方银杏叶萃取物胶囊(静可福)用于痔手术后减轻水肿、疼痛、渗血的疗效。
Objective:To observe the effect of Compound Ginkgo Biloba Extract Capsule(Ginkor fort)on reduction of bleeding, pain and edema after operation of hemorrhoids.
目的:观察复方银杏叶萃取物胶囊(静可福)用于痔手术后减轻水肿、疼痛、渗血的疗效。
Objective:To observe the effect of Compound Ginkgo Biloba Extract Capsule(Ginkor fort)on reduction of bleeding, pain and edema after operation of hemorrhoids.
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