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1)  blade curvature
叶片弯度
2)  blade section camber
叶片截面弯度
3)  bowed blade
弯叶片
1.
A bowed blade modeling method based on natural spline is proposed.
提出了一种基于自然样条思想的弯叶片生成方法,推导了其积迭线的解析表达式。
2.
Bowed blade technique is applied to micro axial fans and the numerical investigation is implemented on its aerodynamic performance of the different types of bowed blades.
将弯叶片技术运用于微型轴流风扇,并通过CFD数值模拟的手段研究了各种形式的弯叶片的气动特点。
3.
For a better and complete understanding of bowed blade s action in diffusion cascade,a numerical investigation on flow field of bowed stators was carried out through keeping conditions other than aspect ratio unchanged.
为观察弯叶片在扩压叶栅中的适用条件,在保持其它条件不变的情况下,对一直列叶栅三种展弦比条件下的弯叶片流场进行了数值模拟。
4)  flectional cascade
可弯叶片
1.
Aerodynamic analysis was carried out on a flectional cascade.
气动特性计算分析结果表明,采用可弯叶片技术方案可在较高的进气马赫数下获得较大的气流折转角和较宽的气流角调节范围。
5)  bowed blade
弯曲叶片
1.
Correctly selected bowed blade can reduce the energy loss and improve the corner flow.
结果表明,优化的弯角和弯高范围随叶型折转角的增大而减小,合理选择弯曲方案将可以达到改善角区流动、减小损失的目的;叶片弯曲优化匹配设计可扩展现代压气机中弯曲叶片的应用范围,也表明了在大转角压气机中采用弯曲叶片设计方法的巨大潜力。
2.
It is pointed out that the positively bowed blade under the low Reynolds number condition is a good choice from the view of losses reduction and efficiency improvement according to the field analyzing for the different bowed blades under the low Reynolds number condition.
通过对不同弯曲叶片在低雷诺数条件下的流场分析,指出了在低雷诺数条件下正弯叶片仍是一种较好的降低损失的有效手段,并且在低雷诺数条件下正弯叶片的采用比在高雷诺数条件下所带来的收益更大。
3.
The exit flow fields of cascades with straight and positively bowed blades, with bowing angles of +10°,+20° and +30°, respectively,are measured by using a micro-five-hole probe.
通过采用微型5孔探针测量了常规直叶栅和端部周向倾斜角分别为10°、 20°、 30°的正弯曲叶片叶栅的出口流场。
6)  curved blade
弯叶片
1.
Compared with the original design,the modified design changed many geometry parameters,including adopted optimizing meridional endwall profile,positively curved blade,aft-loading airfoil and negative incidence angle at the leading edge,so the incidence characteristics of these two designs differ significantly.
与原型低压导向器相比,改型低压导向器多种几何参数发生了改变,主要包括采用优化的子午型线、正弯叶片、后部加载叶型以及前缘负冲角设计等,因此二者的冲角特性有较大差异。
2.
The flow field structure and loss distribution of straight and positively curved blade under the condition of different incidences, which includes 0°、±10°、±20° and ±30°, at high Mach number are studied systematically.
计算结果表明,在较大的攻角范围内,正弯叶片可以减小叶栅流道内通道涡的强度,并且由于两端壁的附面层被吸入主流,使得正弯叶片中的能量损失减小。
3.
The charactetistics of compressor cascades with curved blades at different inlet boundary layers are studied in detail, and experimental results show that with the thickening of the inlet boundary layer, the secondary losses at the cascade ends increase, the overturning of the fluids near the two ends is enhanced.
采用人工加厚叶栅进口附面层厚度的方法,研究了弯叶片压气机叶栅在不同叶栅进口附面层厚度条件下叶栅特性的变化。
补充资料:Cu/NbTi加工锭截面


Cu/NbTi加工锭截面


Cu/NbTi加工锭截面
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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