Lots of time accurate simulations about cascade flow field with different axial gaps are made.
对不同轴向间距叶栅流场进行了大量时间精确模拟。
As an application example, the 2-d inviscid transonic cascade flow is solved by using adaptive grids.
作为应用实例,本文将自适应网格用于二维无粘跨音速叶栅流场计算。
This method is successfully applied on criticizing the holographic infinite interference diagram of the supersonic cascade flow field.
并将该方法成功地应用于超音速叶栅流场全息干涉图的判读。
In the numerical analog of cascade flow, using body-fitted grids effectively is of great significance in improving computation accuracy and saving CPU time.
在叶栅流场的数值模拟中,有效地利用贴体网格,对提高流场预测的准确性和减少计算机时有重要意义。
The numerical flutter analysis system was formed by the three-dimensional numerical simulation of the vibrating cascade flow combined with the structural dynamics analysis of vibrating blade.
将振动叶栅三维流动数值模拟与振动叶片结构动力学分析相结合,建立了叶片颤振数值分析系统。
An inviscid-viscous interaction method based on the inviscid time marching computer code has been employed to calculate the transonic flow field of two dimensional cascade.
二维跨音速叶栅流场的计算是在无粘时间相关法计算程序的基础上采用无粘-边界层迭代而得。
The procedure is used to calculate the incompressible and compressible turbulent flow of cascade.
采用本文编制的程序,分别对不可压缩和可压缩叶栅流场进行了数值计算。
A cavitation bubble in a cascade not only changes the flow field of the cascade, but also makes it difficult to calculate the flow field because of its unknown shape.
叶栅汽蚀绕流时所产生的汽穴不仅使流场发生了变化,而且其未知的形状使流场的求解变得十分困难。
The mutiple-solution phenomenon of steady transonic flow about two-dimensional plane cascade using the Time-Marching method for the Euler equations is examined.
本文用时间推进法求解欧拉方程组计算二维平面叶栅绕流问题数值实验是否有多重解现象。
The flow field visualization of a straight HP turbine cascade is conducted in a large-scale low-speed open -loop cascade heat transfer wind tunnel.
在大尺寸低速开式叶栅传热风洞中对一种高压涡轮导向叶栅中的流场进行了流动显示实验研究。
The flow field of straight HP turbine cascade was investigated experimentally in a large-scale low-speed open-loop cascade heat transfer wind tunnel.
本文在大尺寸低速开式叶栅传热风洞中对一种高压涡轮导向叶栅中的流场进行了实验研究。
An experiment was made in an annual cascade to explore the unsteady flow mechanism of skewed slot hub treatment in removing flow separation near hub.
在低速环形叶栅实验台上圆弧斜槽处理轮毂相对静子扩压叶栅环的旋转频率对叶栅端壁区流动进行了影响实验探索。
The present paper computed the viscous flow of S_1 flow surfaces in some transonic turbine vane cascade by using the computational software FLUENT.
使用FLUENT软件对某型跨音速涡轮叶栅的导叶进行了S_1流面的粘性流动计算。
According to the analysis of the power flow model of this transmission, the efficiency of this transmission is higher than that of the cascade system in vehicle.
经对该变速系统的功率流模型的分析可知,基于无级变速系统的功率流数学模型的效率比常规级联式车用电传动系统高。
This paper describes an experiment to measure quantitatively and visually the flow around a plate cascade using PIV in a circulating water channel in CSSRC.
本文介绍了利用CSSRC建成的PIV系统在小循环水槽中进行叶栅绕流流态显示及流场测量的试验。
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.
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。
This paper focuses on the unsteady characteristic of cascade separation flow under off-design condition.
本文针对非设计工况下叶栅的分离流动进行研究。
After optimization, the flow field in cascade passage is effectively improved, and the performance of stage is improved obviously.
对比数值模拟结果,优化后有效地改善了叶栅流道中的流动状况,级性能有了显著的提高。
The loss distribution and the span-wise variations of flow angle at the outlet section of a linear compressor cascade are presented in this paper.
本文给出了压气机叶栅出口截面的损失分布和气流角沿叶高的变化。
Also be sure to cascade your headings. A main heading, for example, would be larger than subheadings. This effect creates a sense of emphasis and flow to the information.
标题要有层次感。比如说,主标题的字号要比副标题大,这样会创造强调效果,引导读者继续阅读文章。
When the case is moving, the second leakage on the tip of splitter happens more easier, but the flow on the cascade tip is improved.
存在壁面移动时,二次泄漏更容易发生,但间隙流动得到改善;
Under high velocity flow conditions, cascade losses are mainly caused by radial drift of the boundary layer along the suction surface and by blade wakes.
在高速流动条件下,叶栅损失主要是吸力面边界层径向串流及其尾迹。
The S1 stream surface and three-dimensional viscous and non-viscous calculation programs can be employed to verify and check cascade space flow passage performance.
S1流面和三维有粘、无粘计算程序用来考核叶栅空间通流性能。
The eigenvalue method is presented for determining the effects of blade mistuning and blade-disk on cascade flutter boundaries in incompressible flow.
本文用特征值法研完了叶片频率失调及盘片耦合对叶栅颤振边界的影响。
The effect of slot inlet Angle and turning Angle on flow field characteristic of cascade with slot was studied numerically.
数值模拟了槽道进气角和转折角对开槽叶栅流场特性的影响。
An experimental investigation of end wall flow control for pit-array cascade plate in a compressor cascade wind tunnel has been completed.
本文介绍在平面叶栅风洞上进行的“孔窝群”端壁叶栅和原始(光滑)端壁叶栅对比试验研究结果。
The on-line cascade dilution system was designed with flow power from liquid weight. The dilution rate can reach to 1010.54 times.
运用流体自身重力克服流动阻力,设计在线级联稀释系统,稀释比可以达到1010.54倍;
SED recovery column reboiler temperature flow cascade control for steam condensate return.
抽提回收塔底蒸汽凝液温度流量串级控制。
The unsteady flow in an oscillating cascade with propagating stall was simulated numerically with discrete vortex method.
采用离散旋涡法对振荡叶栅传播失速不稳定流场进行了数值模拟。
The flow field and the temperature field in the turbine cascade were studied in view of experiment and computation.
本文从实验和计算的角度对涡轮叶片中的流场、温度场耦合进行了研究。
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