结果表明，末排低压动叶通过采用正弯叶片造型，可以在保证效率保持不变的前提条件下，使得高低压涡轮出功比降低2．6％。
The results show that , the ratio of the output power of vaneless counter-rotating turbine can reduce 2.6% at the same turbine efficiency when the low pressure rotor curves positive.
运用该平台对某NASA跨音速单级透平动静叶片及该透平静叶的叶型和弯积叠线进行多目标气动数值优化研究。
Use this platform to optimize the blades of a NASA transonic single stage turbine, the bended stacking line and the profile of this transonic stator.
所研究的这种高效节能的弯掠动叶轴流风机为进一步在电力系统中应用提供了理论和试验基础。
The research of the high-efficiency axial fan with skewed-swept rotating blades is given the basis of theory and testing in application of electric power system.
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.
结果表明弯掠叶栅端部损失降低而叶展中部损失增加，但相应的端部扩压因子有所减小。
The result shows that the swept-curved cascade has lower endwall loss and higher midspan loss as compared with the straight cascade.
分析了弯扭叶片中，叶片力的径向分力对沿叶高反动度的影响，及对变工况时脱流特性的影响。
This paper is intended to analyse how the radial component force which opposed on the bending blades affect the reaction along blade and flow separation characteristics of varying duty.
结果表明弯叶片对扩压叶栅的改善的能力受进口边界层的特征影响。
It was found that the ability of improving diffusion cascade performance was affected by some characteristics of the inlet boundary layer.
两片墙体的内叶墙都形成了明显的交叉斜裂缝，随着高宽比增大，墙体逐渐呈现受弯破坏的特征。
Visible crossing cracks were discovered in the inner wythes of two cavity walls. Characteristic of bending failure appeared while aspect ratio increasing.
研究表明本文采用的弯导叶方案没有提高级效率。
The efficiency of the stage with four different stators is presented.
得出了叶片周向前弯后， 叶顶部分的附面层减薄，二次流损失减小的结论，与实验结果吻合；
The boundary layer thickness of the forward skewed rotor decreases in the top of blade due to reduction of the secondary flow loss. This fact conforms with experimental investigation.
研究表明本文采用的弯导叶方案没有提高级效率。
The results show that the curved stators used in this paper are not to improve the stage efficiency.
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.
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.
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