Numerical results of steady flow in the VKI gas turbine cascade and unsteady flow in a 1.5 stage steam turbine are presented.
文中给出了VKI透平叶栅内的定常流结果和1.5级透平叶栅内的非定常数值结果。
Wet steam flows within steam turbine leads to two major problems, loss in turbine stage efficiency and blade erosion.
蒸汽透平中的湿蒸汽流动降低了级运行效率，同时也造成了叶片可靠性下降。
The latest stage in this development process is a single-shaft arrangement with the generator located between the gas and steam turbine.
这一过程的最新阶段是设计出一种将发电机置于燃气轮机和汽轮机之间的单轴布置方案。
For investigating the effect of steam condensation on the flow, the steady flow on large power condensing turbine last stage was numerical simulated with commercial computational software CFX -5.
为了研究蒸汽凝结对流动的影响，采用商用软件CFX -5数值模拟了某大功率凝汽式汽轮机末级的定常流动。
Some discussion about aerodynamic design of last stage blade of large steam turbine has been given basing on the result of S_2 design calculation.
结合长叶片级S_2流面设计问题的计算结果对大功率汽轮机长叶片气动设计进行了初步的探讨。
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.
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。
Based on the genetic optimization theory, a design method for the flow path of an axial flow steam turbine stage is presented.
提出一种基于遗传算法的轴流汽轮机级通流部分的优化设计方法。
Solid particle erosion (SPE) is very critical on the life cycle of control stage nozzle for supernormal parameters steam turbine.
固体颗粒冲蚀严重影响超常参数汽轮机调节级喷嘴寿命。
The control stage of improved 300MW steam turbine used bowed static blade cascades with convergent tip endwall and integral shroud triple pin rotating blades.
优化了300MW汽轮机的调节级，采用了子午面端壁收缩的弯曲叶栅，动叶为自带围带三销钉三联叶片，再用铆接围带形成整圈联结叶片。
Numerical investigations are implemented on the wet steam flows with homogeneous condensation in a turbine stage and heterogeneous condensation in a cascade.
湿蒸汽流动问题研究对提高蒸汽透平设计水平具有重要意义。本文对级环境下的自发凝结流动和和叶栅中的非均质凝结流动进行了数值研究。
Numerical investigations about the influence of changing stator solidity on the steam turbine stage performance are presented.
数值研究了蒸汽透平静叶节距变化对级性能影响。
With the critical pressure ratio of a single stage, that of the staging can also be obtained, and thus can supply data for the online calculating and diagnosis of the steam turbine.
在求出单级临界压比的基础上，可以计算出级组的临界压比，为在汽轮机变工况在线计算和故障诊断提供数据。
The example of the flutter prediction in the last stage blades of the 200 MW steam turbine is also presented.
本文还给出了应用此方法对20万千瓦汽轮机末级叶片所作的颤振预估的实例。
The value calculation shows that bending blade may make considerable influence of flow separation in last stage of large steam turbine, in that the relative height of flow separation is reduced.
数值计算表明，在大功率汽轮机末级叶片中采用弯扭叶片后对脱流特性有较大影响，相对脱流高度减少。
The value calculation shows that bending blade may make considerable influence of flow separation in last stage of large steam turbine, in that the relative height of flow separation is reduced.
数值计算表明，在大功率汽轮机末级叶片中采用弯扭叶片后对脱流特性有较大影响，相对脱流高度减少。
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